☆ 4.7 Review

A Review on the Progress of Optoelectronic Devices Based on TiO2 Thin Films and Nanomaterials

NANOMATERIALS (2023)

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Article Physics, Applied

TiO2 insertion layer deposited before passivation to reduce etch damage on AlGaN/GaN HEMT

Yanbin Qin et al.

Summary: In this study, a protective TiO2 layer was inserted to reduce the damage caused by gate pin etching in radio frequency devices. It was found that the HEMT with TiO2 showed improved output characteristics and transconductance, and a lower trap state density at the AlGaN/GaN interface with TiO2.

JAPANESE JOURNAL OF APPLIED PHYSICS (2022)

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Article Chemistry, Physical

Three-dimensional porous MoS2 nanobox embedded g-C3N4@TiO2 architecture for highly efficient photocatalytic degradation of organic pollutant

Marimuthu Karpuraranjith et al.

Summary: A simple, efficient and stable MoS2 nanobox embedded graphitic-C3N4@TiO2 (g-CN@TiO2) nanoarchitecture was synthesized. The nano-hybrid photocatalyst showed a high degradation efficiency of 97.5% for methylene blue dye under visible-light irradiation, demonstrating potential for advanced applications in organic pollutant degradation.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

TiO2 nanostructures with different crystal phases for sensitive acetone gas sensors

Shuang Cao et al.

Summary: Adjusting the crystal phase structure of sensing materials can optimize the gas sensing characteristics. Rutile phase TiO2 nanorods exhibit excellent sensing properties due to narrow band gap and more oxygen vacancies, showing a possible way for designing gas sensors with remarkable performances.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Engineering, Electrical & Electronic

Solution processed low-voltage metal-oxide transistor by using TiO2/Li-Al2O3 stacked gate dielectric

Nila Pal et al.

Summary: A top-contact bottom-gated SnO2 thin-film transistor (TFT) has been successfully fabricated using a TiO2/Li-Al2O3 bilayer stacked gate dielectric, with an operating voltage within 2.0 V. The bilayer dielectric shows higher areal capacitance and lower leakage current density, significantly improving the overall device performance of the TFT. Compared to TFTs with a single layer Li-Al2O3 gate dielectric, the TFT with the bilayer gate dielectric exhibits higher effective carrier mobility and on/off ratio.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2022)

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Article Materials Science, Multidisciplinary

High k PVP titanium dioxide composite dielectric with low leakage current for thin film transistor

Yuexin Yang et al.

Summary: This paper investigates the Polyvinylpyrrolidone modified Titanium dioxide composite dielectric, and finds that 0.05 wt% PVP concentration is the optimal modification concentration. The composite film has smooth morphology and low roughness, and exhibits low leakage current density and relative dielectric constant.

ORGANIC ELECTRONICS (2022)

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Article Chemistry, Analytical

A high-performance room temperature benzene gas sensor based on CoTiO3 covered TiO2 nanospheres decorated with Pd nanoparticles

Dongyue Wang et al.

Summary: This paper reports a benzene sensor based on Pd-doped CoTiO3/TiO2 nanocomposite, with improved gas sensing performance. The sensor demonstrated remarkable benzene sensing properties, attributed to the formation of CoTiO3/TiO2 p-n heterojunction and catalytic action of Pd. The unique advantage of Pd-CTT nanocomposite for benzene sensing was highlighted in this work.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Chemistry, Multidisciplinary

Effect of Substrate and Thickness on the Photoconductivity of Nanoparticle Titanium Dioxide Thin Film Vacuum Ultraviolet Photoconductive Detector

Marilou Cadatal-Raduban et al.

Summary: The development of a titanium dioxide nanoparticle thin film detector with enhanced photoconductivity is reported. The film deposited on a SiO2 substrate with a thickness of 80 nm exhibited the best photoconductivity.

NANOMATERIALS (2022)

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Article Chemistry, Physical

Self-powered TiO2 NRs UV photodetectors: Heterojunction with PTTh and enhanced responsivity by Au nanoparticles

Hujun Zhang et al.

Summary: Novel self-powered p-n heterojunction UV photodetectors were successfully constructed in this study, showing high sensitivity, good stability, and fast response. Further enhancement in detection performance was achieved by using Au NPs as the middle layer.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Engineering, Electrical & Electronic

Preparation and characterization of a high-efficiency photoelectric detector composed of hexagonal Al2O3/TiO2/TiN/Au nanoporous array

Asmaa M. Elsayed et al.

Summary: Coating novel TiO2/TiN-nanotubes-based photodetectors with Au nanoparticles enhances light sensitivity and visible light absorption, leading to significantly improved photoelectric performance in the Vis/NIR range. The hot electrons generated from the TiN and Au layers contribute to high photoelectrical response, making the device promising for broadband photodetection.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Review Chemistry, Multidisciplinary

Recent Progress on Titanium Sesquioxide: Fabrication, Properties, and Applications

Yangyang Li et al.

Summary: Titanium sesquioxide (Ti2O3) is a material with fascinating physical properties and wide range of applications in energy, biomedicine, and electronics. Its unique electrical and optical properties have led to interesting applications such as photothermal conversion, infrared photodetection, and electrocatalysis. Ti2O3 has been utilized in seawater desalination, hydrogen production, cancer therapy, and more.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Physical

Flame-annealed porous TiO2/CeO2 nanosheets for enhenced CO gas sensors

Bingcai Chen et al.

Summary: CO sensors are useful for monitoring the working state of combustion equipment and ensuring production process and human safety. This study successfully prepared porous TiO2/CeO2 nanocrystals using band gap engineering, which exhibited fast response/recovery, high response value, good CO selectivity, and a wide CO monitoring range.

APPLIED SURFACE SCIENCE (2022)

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Article Nanoscience & Nanotechnology

An Ultralow Power LixTiO2-Based Synaptic Transistor for Scalable Neuromorphic Computing

Ngoc-Anh Nguyen et al.

Summary: This study presents a new solid-state SynT based on LixTiO2 that overcomes the limitations of traditional SynTs, showing excellent endurance, recognition accuracy, and ultralow switching energy. Reversible lithium intercalation enables nonvolatile conductance modulation, while comprehensive electrochemical study provides insight into the specific mechanism of conductance modulation. These results highlight the high potential of LixTiO2-based SynTs for energy-efficient neuromorphic applications.

ADVANCED ELECTRONIC MATERIALS (2022)

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Article Engineering, Electrical & Electronic

Mesh Bias Controlled Synthesis of TiO2 and Al0.74Ti0.26O3 Thin Films by Mist Chemical Vapor Deposition and Applications as Gate Dielectric Layers for Field-Effect Transistors

Kojun Yokoyama et al.

Summary: The effect of applying a mesh bias during the synthesis of a-TiO2 thin films via mist-CVD was investigated. It was found that the negative bias promoted the generation of fine mist particles and a dense network structure, resulting in smooth and high-quality a-TiO2 films.

ACS APPLIED ELECTRONIC MATERIALS (2022)

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Article Materials Science, Multidisciplinary

An Al-doped TiO2 interfacial layer for effective hole injection characteristics of quantum-dot light-emitting diodes

Min Gye Kim et al.

Summary: This paper presents the use of an Al-doped TiO2 (ATO) interfacial layer to improve the charge balance in QLEDs, resulting in enhanced luminance and efficiency. The study demonstrates that a better interfacial energy level alignment can be achieved by increasing the number of oxygen vacancies and titanium defect sites. With the optimized ATO interfacial layer, QLEDs exhibit improved luminance, current efficiency, and device lifetime.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Article Chemistry, Analytical

Interdigitated Electrode Biosensor Based on Plasma-Deposited TiO2 Nanoparticles for Detecting DNA

Jhongryul Yoo et al.

Summary: This study synthesized high-purity TiO2 nanoparticles and deposited them on an electrode to fabricate a DNA biosensor. The structural and chemical properties of the nanoparticles were analyzed, and the concentration of target DNA was quantitatively analyzed using a picoammeter. Specificity experiments confirmed the ability of the biosensor to discriminate between different nucleotide sequences.

BIOSENSORS-BASEL (2021)

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Article Materials Science, Ceramics

Perovskite-SrTiO3/TiO2/PDA as photoelectrochemical glucose biosensor

Yuanyuan Wang et al.

Summary: The study reports a new strategy of sensor design by in situ transformation of perovskite and combining with bioactive substances, achieving a comprehensive improvement in sensing performance and significantly expanding the detection range, especially suitable for monitoring high blood sugar individuals.

CERAMICS INTERNATIONAL (2021)

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Article Materials Science, Ceramics

Enhancing the Optical and Optoelectronic Properties of MEH-PPV-Based Light-Emitting Diodes by Adding SiO2/TiO2 Nanocomposites

Bandar Ali Al-Asbahi et al.

Summary: The optical and optoelectronic properties of hybrid thin films containing different amounts of SiO2/TiO2 nanocomposites (STNCs) were studied. Increasing the STNC content led to significant quenching of MEH-PPV emission intensity and more efficient charge transfer. This improved charge transfer plays a crucial role in enhancing OLED performance.

JOURNAL OF NON-CRYSTALLINE SOLIDS (2021)

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Article Chemistry, Multidisciplinary

Trap-Assisted Charge Storage in Titania Nanocrystals toward Optoelectronic Nonvolatile Memory

Zhenhua Sun et al.

Summary: This study explores the use of nitrogen-doped titania nanocrystals as the charge storage medium for a graphene transistor-based memory, enabling the device to function as an ultraviolet light-programmable nonvolatile optoelectronic memory. Precise control of light dose allows for multilevel nonvolatile information recording, showcasing the potential of N-TiO2 NCs in optoelectronic storage.

NANO LETTERS (2021)

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Article Chemistry, Multidisciplinary

Selective Release of Different Neurotransmitters Emulated by a p-i-n Junction Synaptic Transistor for Environment-Responsive Action Control

Shuo Zhang et al.

Summary: The p-i-n junction synaptic transistor emulates fast switching between single neurotransmitters and multiple neurotransmissions, as well as the synergistic effect of taste and aroma on food intake control in the brain. Its bipolarity allows for excellent reconfigurability, simulating synaptic plasticity and the response of gustatory receptor neurons to different salt concentrations. This electronic device lays the foundation for future complex artificial neural networks.

ADVANCED MATERIALS (2021)

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Article Chemistry, Analytical

ZnCuInSe/Au/TiO2 sandwich nanowires-based photoelectrochemical biosensor for ultrasensitive detection of kanamycin

Hongchao Geng et al.

Summary: A highly selective and sensitive photoelectrochemical sensing platform was developed for kanamycin assay based on sandwich-structured nanowires, showing excellent detection performance and high selectivity.

ANALYTICA CHIMICA ACTA (2021)

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Article Electrochemistry

Polyvinylpyrrolidone (PVP)-Assisted Solvothermal Synthesis of Mesoporous TiO2 Nanoparticles as an Active Material for Enzymatic Electrochemical Glucose Sensor

Fauzan Amri et al.

Summary: This study successfully synthesized an enzymatic glucose sensor based on mesoporous TiO2 nanoparticles and demonstrated its excellent sensing performance through experiments.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2021)

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Article Materials Science, Multidisciplinary

High performance ammonia gas detection based on TiO2/WO3•H2O heterojunction sensor

Cao Cheng et al.

Summary: TiO2/WO3·H2O (TW) heterojunction gas sensor shows high sensitivity, excellent selectivity, and long-term stability in detecting NH3. The improvement in NH3 detection performance of TW heterojunction is mainly attributed to the increased oxygen free radicals on the surface caused by TiO2 nanoparticles, leading to more reactions with NH3 molecules to release more electrons.

MATERIALS CHEMISTRY AND PHYSICS (2021)

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Article Chemistry, Physical

Self-rectifying and forming-free nonvolatile memory behavior in single-crystal TiO2 nanowire memory device

Zhiqiang Yu et al.

Summary: This study successfully synthesized vertically aligned single-crystal TiO2 nanowire with preferred orientation, and achieved stable self-rectifying and forming-free nonvolatile memory behavior with high resistance ratio in the TiO2 nanowire memory device. The memory behavior was attributed to different conduction mechanisms and the metallic conductive filament model adjusted by oxygen vacancies.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Optics

Simulation and optimization of green organic light emitting diode based on TiO2/Ag/MoO3 multilayer electrode

Madineh Nejadzangeneh et al.

Summary: This study investigates the multilayer features of TiO2/Ag/MoO3 (TAM) as an alternative transparent conductor structure, analyzing the effects of different layer thicknesses on electro-optical characteristics and designing an optimal structure. By studying the impact of layer thickness variation on OLED device output, it is shown that output light intensity, spectrum, and wavelength can be tuned by adjusting each layer's thickness. Ultimately, an optimized TAM-based OLED structure is proposed, with superior performance compared to ITO-based devices, showcasing lower turn-on voltage, higher luminance intensity, current efficiency and power efficiency.

OPTICS AND LASER TECHNOLOGY (2021)

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Article Chemistry, Multidisciplinary

Controlling the Surface Properties of TiO2 for Improvement of the Photo-performance and Color Uniformity of the Light-emitting Diode Devices

Gwang Yeom Song et al.

Summary: The photo-performance and color uniformity of LEDs were enhanced by controlling the surface properties of TiO2 particles, improving light scattering effect. This improvement was attributed to the enhancement of light scattering in the LED package when the interfacial affinity of the TiO2/encapsulant was improved.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

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Article Chemistry, Analytical

A covalent organic polymer-TiO2/Ti3C2 heterostructure as nonenzymatic biosensor for voltammetric detection of dopamine and uric acid

Xing Lu et al.

Summary: The TiO2/TiCT-NUF heterojunctions exhibit high sensing activity for simultaneous detection of dopamine and uric acid, with good selectivity and reproducibility in urine and serum samples. The proposed heterojunctions show promising potential as an electrochemical sensor for the sole and simultaneous detection of DA and UA.

MICROCHIMICA ACTA (2021)

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Article Chemistry, Analytical

TiO2 Nanorods and Pt Nanoparticles under a UV-LED for an NO2 Gas Sensor at Room Temperature

Jinhong Noh et al.

Summary: By utilizing the Schottky barrier formed at the TiO2-Pt junction to capture photoactivated electrons and enhancing the separation between electron-hole pairs through plasmonic effects, annealed TiO2 NRs can significantly improve sensing performance.

SENSORS (2021)

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Article Materials Science, Multidisciplinary

Negative Capacitance, Negative Resistance in CNT/TiO2/SiO2/p-Si Heterostructure for Light-Emitting Diode Applications

A. Ashery et al.

Summary: This article investigates the appearance of negative capacitance at low frequency in the structure of carbon nanotube/TiO2/SiO2/p-Si, exploring its structural, electrical, and dielectric properties. The study includes controlling and tuning capacitance values and signal polarity, as well as positive and negative values of capacitance at different frequencies. It was found that at high frequencies the capacitance was positive, while at low frequencies it showed high positive and negative values.

ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY (2021)

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Article Materials Science, Ceramics

Zn-doped TiO2 nanoparticles for glutamate sensors

K. Meesombad et al.

Summary: TiO2 doped with 2.5 mol% Zn exhibited narrower bandgaps and high electrocatalytic activities, especially with sensitivity ranging from 2.47 to 7.20 x 10(-6) mA mM(-1) cm(-2) in glutamate solutions. The nanoparticles also showed fair selectivity and reusability, degrading by 12.5% after 200 cycles of measurement.

CERAMICS INTERNATIONAL (2021)

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Article Engineering, Electrical & Electronic

One-Volt TiO2 Thin Film Transistors With Low-Temperature Process

Jie Zhang et al.

Summary: This study presents one-volt TiO2 thin film transistors (TFTs) fabricated using a low-temperature process, showing high on/off current ratio, low subthreshold swing, and saturation field effect mobility. The influence of annealing temperature on the conductivity of TiO2 channels in TFTs was observed, with the 300 degrees C-annealed TiO2 channel displaying significant current. The research highlights the potential of these one-volt TiO2 TFTs in applications like foldable displays and wearable sensors requiring battery-powered operation.

IEEE ELECTRON DEVICE LETTERS (2021)

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Article Materials Science, Multidisciplinary

Solar-Blind Photodetector Based on NaTaO3/TiO2 Composite Film with Enhanced Photoelectric Performance

Min Zhang et al.

Summary: Ultraviolet detectors based on NaTaO3/TiO2 showed enhanced detection performance towards solar-blind light, with high stability and photoelectric characteristics. The detectors demonstrated fast response time, high photo-to-dark current ratio under specific UV illumination, and remained stable after multiple testing cycles, indicating their potential application in UV detection.

COATINGS (2021)

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Article Materials Science, Multidisciplinary

Titanium dioxide thin films as vacuum ultraviolet photoconductive detectors with enhanced photoconductivity by gamma-ray irradiation

Marilou Cadatal-Raduban et al.

Summary: Titanium dioxide (TiO2) thin films can serve as photoconductive detectors of vacuum ultraviolet (VUV) radiation, and their performance can be enhanced after gamma ray irradiation. While an initial decrease in photocurrent is observed after irradiation, subsequent recovery of defects leads to a significant increase in photoconductivity.

THIN SOLID FILMS (2021)

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Article Chemistry, Analytical

Non-Enzymatic Glucose Biosensor Based on Highly Pure TiO2 Nanoparticles

Hongin Jeong et al.

Summary: A non-enzymatic glucose sensor using TiO2 nanoparticles and chitosan-polypyrrole conductive polymer films was successfully fabricated, showing high sensitivity and low detection limit, with excellent selectivity and reactivity.

BIOSENSORS-BASEL (2021)

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Article Nanoscience & Nanotechnology

Tunable Synaptic Characteristics of a Ti/TiO2/Si Memory Device for Reservoir Computing

Jinwoong Yang et al.

Summary: This study fabricates and characterizes a Ti/TiO2/Si device with different dopant concentrations for neuromorphic systems. The device exhibits interface-type bipolar resistive switching with long-term memory, and achieves pattern-recognition accuracy over 85% using conductance as weight in the network. Short-term memory characteristics are investigated, showing that dynamic range is controlled by pulse amplitude and conductance decay depends on pulse interval. A reservoir computing system is built using the short-term effect of the device, allowing differentiation of 16 states for pattern recognition.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Nanoscience & Nanotechnology

Area-Type Electronic Bipolar Switching Al/TiO1.7/TiO2/Al Memory with Linear Potentiation and Depression Characteristics

Yu Yan et al.

Summary: In this study, the addition of a thin stoichiometric TiO2 layer between an Al bottom electrode and a TiO1.7 layer significantly improved the electrical performance of the resistive switching memory, leading to enhanced endurance and retention. The device structure remained minimally modified and electroforming-free, exhibiting fully area-type switching characteristics. Additionally, the device showed almost linear potentiation and depression characteristics, improving the accuracy of neural networks composed of the memory cells.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Analytical

Innovative Electrochemical Sensor Using TiO2 Nanomaterials to Detect Phosphopeptides

Ying Chen et al.

Summary: Enrichment techniques for phosphopeptides often involve interactions between phosphate groups and metal ions or metal oxides. In this study, an electrochemical sensor based on TiO2 NPs was designed to detect phosphopeptides in protein samples pretreated with AuNPs, showing high sensitivity and a wide linear concentration range. Additionally, TiO2 and GO composite materials were synthesized to enhance the detection capability, with the uniformly dispersed anatase crystal TiO2 and GO composite-modified electrode exhibiting a lower detection limit.

ANALYTICAL CHEMISTRY (2021)

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Article Engineering, Environmental

Determination of glioma cells? malignancy and their response to TMZ via detecting exosomal BIGH3 by a TiO2-CTFE-AuNIs plasmonic biosensor

Chen Xu et al.

Summary: The TiO2-CTFE-AuNIs plasmonic biosensor shows improved sensitivity in detecting CD63 and BIGH3 in GMs-derived exosomes, potentially enhancing detection efficiency for glioma liquid biopsy.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Physical

Enhanced response speed of TiO2 nanoarrays based all solid-state ultraviolet photodetector via SiO2 dielectric layer

Dongmei Yang et al.

Summary: The researchers developed a novel all solid-state hybrid structure ultraviolet photodetector based on nano-tree TiO2 nanoarrays and SiO2 dielectric layer, which significantly improved the response speed of the device. The existence of the SiO2 layer widened the depletion layer on the surface of TiO2, leading to a reduction in the response time of the device.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Physical

MgO blocking layer induced highly UV responsive TiO2 nanoparticles based self-powered photodetectors

Wenji Zheng et al.

Summary: By introducing a MgO ultra-thin layer between the TiO2 nanoparticle layer and the FTO conductive substrate, the self-powered ultraviolet photodetector shows improved performance in terms of responsivity, sensitivity, and rising time. The MgO layer effectively blocks holes and provides a tunnel for electrons, reducing photocurrent loss and enhancing UV light selectivity and stability.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Engineering, Electrical & Electronic

Ag nanoparticles capped TiO2 nanowires array based capacitive memory

Amit Kr Pandey et al.

Summary: The study utilized glancing angle deposition technique to fabricate a structure of Ag nanoparticles capped TiO2 nanowire array, demonstrating enhanced photoluminescence and a high capacitive memory window. The device showed excellent endurance and significantly lesser charge loss after a span of time, with a clear explanation of the programming and erasing process using a band diagram.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

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Article Engineering, Multidisciplinary

p-TiO2/GO heterojunction based VOC sensors: A new approach to amplify sensitivity in FET structure at optimized gate voltage

Teena Gakhar et al.

Summary: The study developed p-type TiO2/GO hybrid channel based back gated FET sensors for detecting low concentrations of VOCs with high sensitivity. In the FET with 1% p-TiO2 and 99% GO, a 115% response rate was achieved in 100 ppm ethanol at 100 degrees C, expanding the detection limit of ethanol to 500 ppb with a 34-fold increase in response at V-GS = 0.7 V compared to V-GS = 0 V.

MEASUREMENT (2021)

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Article Chemistry, Analytical

Mesoporous WO3-TiO2 heterojunction for a hydrogen gas sensor

Hui Li et al.

Summary: In this study, a WO3-TiO2 composite was fabricated as a hydrogen gas sensing element, showing high response, short recovery time, and mesoporous structure. The material exhibited good stability and repeatability, with a potential for practical applications as a hydrogen sensing element.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Ag/TiO2 nanocomposites as a novel SERS substrate for construction of sensitive biosensor

Siqi Huang et al.

Summary: The Ag/TiO2 nanocomposites were prepared via catalytic hairpin assembly (CHA) strategy to fabricate a SERS biosensor for sensitive detection of UDG, with the introduction of Pb2+ assisted DNAzyme cleavage reaction enhancing the sensitivity of the method, achieving a detection limit of 1.2×10-5 U mL-1.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Review Chemistry, Physical

Prospects of Synthesized Magnetic TiO2-Based Membranes for Wastewater Treatment: A Review

E. Kweinor Tetteh et al.

Summary: Integrated photocatalytic-membrane (IPM) technologies show great potential in removing toxic pollutants from wastewater, but also face challenges; Based on titanium dioxide, photocatalytic-based membrane technology has significant potential for wastewater reclamation and reuse; Future focus should be on the development of magnetized TiO2-based membrane technology, as well as conducting life cycle assessment research to promote its large-scale application.

MATERIALS (2021)

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Article Engineering, Electrical & Electronic

Impact of ZrO2 Dielectrics Thickness on Electrical Performance of TiO2 Thin Film Transistors with Sub-2 V Operation

Jie Zhang et al.

Summary: This study systematically investigates the impact of ZrO2 gate dielectric thickness on the electrical performance of TiO2 thin film transistors. It is found that a 5 nm-thick ZrO2 dielectric can significantly enhance the electrical performance of TiO2 TFTs, making them suitable for Internet of Things applications.

ACS APPLIED ELECTRONIC MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Solution processed transparent anatase TiO2 nanoparticles/MoO3 nanostructures heterojunction: high performance self-powered UV detector for low-power and low-light applications

Bhuvaneshwari Ezhilmaran et al.

Summary: The study presents an all-oxide, highly transparent TiO2/MoO3 bilayer film for UV photodetection, demonstrating high performance in terms of photoresponsivity, detectivity, and EQE even under weak illumination. The device's self-powered UV detection capability and improved photoresponse are attributed to the effective heterojunction and better charge transport through densely aligned nanostructures. This transparent heterojunction shows promise for use in highly responsive, self-powered UV detectors for low bias, low light applications.

NANOSCALE ADVANCES (2021)

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Article Chemistry, Multidisciplinary

High-efficiency quantum dot light-emitting diodes based on Li-doped TiO2 nanoparticles as an alternative electron transport layer

Moonbon Kim et al.

Summary: The study found that using lithium-doped TiO2 nanoparticles as the electron transport layer can enhance the efficiency and performance of quantum dot light-emitting diodes, including increasing maximum luminance, EQE, and current efficiency. This indicates great promise for the use of lithium-doped TiO2 nanoparticles as a solution-based inorganic ETL for future QLEDs.

NANOSCALE (2021)

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Article Materials Science, Multidisciplinary

TiO2 nanotubes modified with polydopamine and graphene quantum dots as a photochemical biosensor for the ultrasensitive detection of glucose

Wenke Yang et al.

JOURNAL OF MATERIALS SCIENCE (2020)

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Article Engineering, Electrical & Electronic

Synaptic plasticity of TiO2 nanowire transistor

Hongxia Qi et al.

MICROELECTRONICS INTERNATIONAL (2020)

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Article Nanoscience & Nanotechnology

Resistive switching and synaptic learning performance of a TiO2 thin film based device prepared by sol-gel and spin coating techniques

Lifang Hu et al.

NANOTECHNOLOGY (2020)

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Article Chemistry, Analytical

Development of non-enzymatic cholesterol bio-sensor based on TiO2 nanotubes decorated with Cu2O nanoparticles

Nilem Khaliq et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Multidisciplinary

Titania/Electro-Reduced Graphene Oxide Nanohybrid as an Efficient Electrochemical Sensor for the Determination of Allura Red

Guangli Li et al.

NANOMATERIALS (2020)

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Article Chemistry, Physical

Flexible resistive switching device based on the TiO2 nanorod arrays for non-volatile memory application

Dan Xue et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Chemistry, Physical

Magnetic switching control in Co/TiO2 bilayer and TiO2:Co thin films for Magnetic-Resistive Random Access Memories (M-RRAM)

Heiddy P. Quiroz et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Materials Science, Ceramics

Growth of amorphous, anatase and rutile phase TiO2 thin films on Pt/TiO2/SiO2/Si (SSTOP) substrate for resistive random access memory (ReRAM) device application

Mabkhoot A. Alsaiari et al.

CERAMICS INTERNATIONAL (2020)

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Article Engineering, Electrical & Electronic

Enhancement-/Depletion-Mode TiO2 Thin-Film Transistors via O2/N2 Preannealing

Jie Zhang et al.

IEEE TRANSACTIONS ON ELECTRON DEVICES (2020)

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Article Chemistry, Physical

Titania:Graphdiyne nanocomposites for high-performance deep ultraviolet photodetectors based on mixed-phase MgZnO

Yan Li et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Chemistry, Multidisciplinary

Recessed-Gate GaN Metal-Insulator-Semiconductor High-Electron-Mobility Transistor Using a Dual Gate-Insulator Employing TiO2/SiN

Jun Hyeok Jung et al.

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY (2020)

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Article Multidisciplinary Sciences

Filamentary Resistive Switching and Capacitance-Voltage Characteristics of the a-IGZO/TiO2 Memory

Kwan-Jun Heo et al.

SCIENTIFIC REPORTS (2020)

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Article Nanoscience & Nanotechnology

Ion-gated transistors based on porous and compact TiO2 films: Effect of Li ions in the gating medium

Arunprabaharan Subramanian et al.

AIP ADVANCES (2020)

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Article Physics, Condensed Matter

Enhanced performance and reduction in operating voltage of TiO2 thin film based resistive switching memory under optical stimulus

Kiran D. More et al.

PHYSICA B-CONDENSED MATTER (2020)

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Short-Term Memory Dynamics of TiN/Ti/TiO2/SiOx/Si Resistive Random Access Memory

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