4.7 Review

Advances in Noble Metal-Decorated Metal Oxide Nanomaterials for Chemiresistive Gas Sensors: Overview

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Highly sensitive Co3O4 nanoparticles/MEMS NO2 gas sensor with the adsorption of the Au nanoparticles

Ting-Jen Hsueh et al.

Summary: This study successfully produced Co3O4 nanoparticles and developed an Au/Co3O4-NPs/MEMS NO2 gas sensor with high sensitivity to NO2 gas. Experimental results showed that the sensor had the greatest response to a 100-ppb NO2 gas concentration at the optimal operating temperature.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Triethylamine gas sensor based on Pt-functionalized hierarchical ZnO microspheres

Jingjing Liu et al.

Summary: Unique nanosized-Pt-decorated hierarchical ZnO microspheres were prepared, showing excellent TEA gas sensing performance with a response value of 242, a working temperature as low as 200 degrees Celsius, and good selectivity and long-term stability. The synergistic effect between Pt and ZnO, as well as the electron-sinker effect of Pt, are the reasons for its superior performance.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Metal-organic framework-derived highly dispersed Pt nanoparticles-functionalized ZnO polyhedrons for ppb-level CO detection

Cong Qin et al.

Summary: Metal oxide-based CO sensors with ppb-level detection limit are highly desirable, and a regular approach for synthesizing highly dispersed Pt nanoparticles-functionalized ZnO polyhedrons using metal-organic framework as a template is reported. The prepared sensor exhibited good CO response, long-term stability, ultra-low detection limit, and superior CO selectivity, showing great potential for detecting low-concentration CO.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Materials Science, Multidisciplinary

Enhanced CO sensing performance of WO3 nanorods with PtAg nanoparticles modification: A combined experimental and first-principle study

Yan Zhang et al.

Summary: WO3 nanorods and PtAg-loaded WO3 nanorods were synthesized for CO detection. The modification by PtAg nanoparticles improved the sensing performance of WO3, with enhanced sensitivity and reduced optimal temperature. The combination of experimental and theoretical research provided a feasible strategy for CO gas sensor design.

VACUUM (2021)

Review Chemistry, Analytical

Metal-Oxide Nanowire Molecular Sensors and Their Promises

Hao Zeng et al.

Summary: This review provides a comprehensive overview of the recent studies and achievements in 1D metal-oxide nanowire-based molecular sensors, discussing their potential in sensor electronics and highlighting key issues that impede their practical application. The review also offers a prospective account of the remaining challenges towards the laboratory-to-market transformation of sensor electronics based on 1D nanostructures.

CHEMOSENSORS (2021)

Article Nanoscience & Nanotechnology

AuPt Bimetal-Functionalized SnSe2 Microflower-Based Sensors for Detecting Sub-ppm NO2 at Low Temperatures

Wei Liu et al.

Summary: A novel chemiresistive-type sensor utilizing AuPt bimetal-decorated SnSe2 microflowers has been developed for detecting sub-ppm levels of NO2, exhibiting superior performance and high response rate. The sensor demonstrates excellent long-term stability, signal repeatability, and selectivity towards typical interfering gases, potentially due to the synergistic effect of electronic and chemical sensitization induced by the AuPt bimetal.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

Wireless Self-Powered High-Performance Integrated Nanostructured-Gas-Sensor Network for Future Smart Homes

Zhilong Song et al.

Summary: The study demonstrates self-powered integrated nanostructured gas sensor systems and wirelessly connected sensor networks with features like room-temperature operation, ultrahigh sensitivity, and gas pattern recognition. Successful achievements include flammable gas leakage detection, alarm function, and gas leakage localization.

ACS NANO (2021)

Article Chemistry, Analytical

Pd-Doping-Induced Oxygen Vacancies in One-Dimensional Tungsten Oxide Nanowires for Enhanced Acetone Gas Sensing

Ping Li et al.

Summary: Metal oxide semiconductors with tunable interface structures and properties have been widely used as gas sensing materials. Constructing appropriate heterogeneous interface structures and oxygen vacancies is important for tuning the sensing properties. This study demonstrates that Pd doping can effectively change the structure and composition of one-dimensional nanomaterials, leading to enhanced sensing properties towards acetone. The fabricated heterostructures in PdxW18O49 nanowires have shown excellent sensing selectivity and a wide detection range, making them promising for high-performance gas sensors.

ANALYTICAL CHEMISTRY (2021)

Article Chemistry, Physical

Gas sensing properties of palladium-modified zinc oxide nanofilms: A DFT study

Monrudee Liangruksa et al.

Summary: The research shows that modifying the surface of zinc oxide with palladium (Pd) can enhance gas sensing properties, particularly for hydrogen and ethanol. This modification can increase the sensitivity of the zinc oxide surface to gases, potentially improving the accuracy and speed of gas detection in energy production.

APPLIED SURFACE SCIENCE (2021)

Article Engineering, Electrical & Electronic

Hydrothermal Synthesis and Improved CHOH-Sensing Performance of ZnO Nanorods With Adsorbed Au NPs

Sheng-Joue Young et al.

Summary: In this study, high-density and well-aligned zinc oxide nanostructures with adsorbed gold nanoparticles were used as a gas-sensing material, showing enhanced response to methanol vapor at different working temperatures. The sensor exhibited stable and repeatable behavior, with selectivity towards methanol vapor and no substantial response to other vapors such as isopropyl alcohol, acetone, and ethanol. The designed sensor has the potential for detecting harmful gases in IoT applications.

IEEE TRANSACTIONS ON ELECTRON DEVICES (2021)

Article Materials Science, Multidisciplinary

Hydrogen sensing performance and its enhanced sensing mechanisms of hollow structured-SnO2 nanospheres activated by noble metal nanoparticles

Zhicheng Cai et al.

Summary: In this study, SnO2 hollow nanospheres (HNS) were synthesized and decorated with Pd nanoparticles (NPs) to enhance hydrogen sensing performance. The decorated Pd NPs significantly improved the sensor's response to hydrogen gas and its selectivity, increasing hydrogen sensing capabilities.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2021)

Article Chemistry, Physical

Effect of core and surface area toward hydrogen gas sensing performance using Pd@ZnO core-shell nanoparticles

Thuy T. D. Nguyen et al.

Summary: A versatile hydrogen gas sensor was fabricated using Pd@ZnO core-shell nanoparticles synthesized through a hydrothermal route. The optimal sensor, Pd@ZnO-2, demonstrated superior performance compared to Pd@ZnO-1 and pure ZnO, with higher response, faster response and recovery times to 100 ppm hydrogen at 350 degrees C. The high selectivity of Pd@ZnO-2 sensor to hydrogen can be attributed to the higher metallic Pd content remaining in the sample after calcination in argon.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

Article Engineering, Electrical & Electronic

Electrospun NiO nanofibers with Rh decoration for enhanced acetone sensing performances

Ying Gao et al.

Summary: A series of porous Rh-NiO heterojunction nanofibers with different molar ratios were fabricated by a facile electrospinning technique to improve the sensing properties of p-type NiO. The sensor with an optimal Rh amount of 5 mol% showed the highest p-type response to acetone and excellent selectivity. The improved sensing response was attributed to the formation of ohmic contacts between Rh and NiO nanoparticles, chemical sensitization effect of Rh nanoparticles, and increased BET surface area.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

Article Materials Science, Multidisciplinary

Evaluation of the effects of Au addition into ZnFe2O4 nanostructures on acetone detection capabilities

M. I. Nemufulwi et al.

Summary: This study produced pure and Au modified ZnFe2O4 nanostructures to evaluate the effects of surface modification on acetone detection. The results showed that the modified sensor exhibited higher response and selectivity towards acetone compared to the pure sensor at the operating temperature.

MATERIALS RESEARCH BULLETIN (2021)

Article Nanoscience & Nanotechnology

Investigation of doping effects of different noble metals for ethanol gas sensors based on mesoporous In2O3

Pengfei Cheng et al.

Summary: This study investigated the sensitization effects of different noble metals (Au, Ag, Pt, Pd) on In2O3 for improving ethanol sensing performance. Pd doping showed the best sensing performance, with the highest response and shortest response and recovery times. The gas sensing mechanism of noble metal-doped materials involves a synergistic effect of 'catalysis' and 'electronic and chemical sensitization' of noble metals, with the chemical state of the noble metal playing a significant role.

NANOTECHNOLOGY (2021)

Article Chemistry, Multidisciplinary

A Transparent Nanopatterned Chemiresistor: Visible-Light Plasmonic Sensor for Trace-Level NO2 Detection at Room Temperature

Kyeorei Lim et al.

Summary: Transparent nanopatterned chemiresistors composed of aligned 1D Au-SnO2 nanofibers demonstrated highly selective detection of toxic NO2 gas at room temperature under visible light illumination. The sensors, with extremely low coverage of sensing materials and high transparency, can detect NO2 at sub-ppm levels with a detection limit as low as 6 ppb. The design, utilizing localized surface plasmonic resonance effect of Au nanoparticles, allows for room-temperature NO2 sensing without the need for external heaters or light sources, opening up new possibilities for transparent oxide-based gas sensors.

SMALL (2021)

Article Chemistry, Multidisciplinary

Unraveling the Dynamic Evolution of Pd Species on Pd-Loaded ZnO Nanorods for Different Hydrogen Sensing Behaviors

Jian Gao et al.

Summary: Probing the dynamic evolution of active species under different sensing conditions can help in the rational design of sensing materials for outstanding sensing performance. In this study, a palladium (Pd)-loaded ZnO sensing material was found to have better H-2 sensing performance than pure ZnO at an operating temperature of 190 to 360 degrees C, with the synergistic effect of Pd-0 and PdOx playing a decisive role in improving sensing capability for low concentrations of H-2. The proportion of Pd-0 in the Pd/PdOx increased dynamically with operating temperature, enhancing the dissociation of H-2 by Pd-0 and boosting the sensing performance of the gas sensor.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Review Chemistry, Multidisciplinary

Chemiresistive Gas Sensors Based on Hollow Heterojunction: A Review

Yanna Liu et al.

Summary: This paper reviews the gas sensing mechanism of chemiresistive sensors, as well as the role of hollow and heterojunction structures in enhancing sensing performance. It discusses the single-shelled and multi-shelled hollow heterojunction materials used in gas detection, and explores the design and application of open hollow heterojunction in gas sensing.

ADVANCED MATERIALS INTERFACES (2021)

Article Nanoscience & Nanotechnology

Virtual Sensor Array Based on Butterworth-Van Dyke Equivalent Model of QCM for Selective Detection of Volatile Organic Compounds

Dongsheng Li et al.

Summary: The study introduces a VSA based on QCM and MXene, which enhances the detection of VOCs, accurately identifies and quantifies different VOCs using machine learning algorithms, and can identify patients with diabetic ketosis from exhaled breath with a high accuracy of 95%.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Nanoscience & Nanotechnology

Size-Controlled Au Nanoparticles Incorporating Mesoporous ZnO for Sensitive Ethanol Sensing

Mengli Lei et al.

Summary: The mesoporous ZnO-Au composites prepared by photoreduction exhibit superior ethanol sensing performance, attributed to their excellent physical structure and interface effects. Compared to other noble metals, mesoporous ZnO-Au shows higher selectivity and sensitivity to ethanol.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Engineering, Environmental

Sulfur spillover driven by charge transfer between AuPd alloys and SnO2 allows high selectivity for dimethyl disulfide gas sensing

Bo Liu et al.

Summary: The modification of gas sensors using bimetal alloy catalysts significantly enhances sensing performances by modulating the electronic structure and reaction processes of sensing surfaces. The introduction of AuPd alloys on SnO2 surfaces enhances the gas response and selectivity to DMDS, confirming the importance of charge transfer and surface adsorption strength in sensor performance. In-situ and quasi in-situ testing techniques validate the role of sulfur spillover from alloy surfaces to SnO2 in the sensing process, enriching the fundamental research in catalytic electronics for sensors.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Electrical & Electronic

Electrospinning Encapsulation of Pd Nanoparticles into α-Fe2O3 Nanofibers Windows Enhanced Acetone Sensing

Haoyue Yang et al.

Summary: Different concentrations of palladium nanoparticles modified hematite nanofibers were successfully synthesized, showing significantly improved sensing performances for gases like acetone.

IEEE SENSORS JOURNAL (2021)

Article Chemistry, Physical

Pd nanocrystal sensitization two-dimension porous TiO2 for instantaneous and high efficient H2 detection

Ding Wang et al.

Summary: An excellent H-2 gas sensor based on Pd nanocrystal sensitized two-dimensional porous TiO2 (Pd/TiO2) was successfully realized, exhibiting instantaneous response, low detection limit, and good stability. The superior gas sensing performances are attributed to the unique 2D porous structure and synergistic effect between Pd and TiO2.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

Article Engineering, Environmental

A high-response formaldehyde sensor based on fibrous Ag-ZnO/In2O3 with multi-level heterojunctions

Jingjing Liu et al.

Summary: A high-response formaldehyde gas sensor based on Ag-ZnO/In2O3 nanofibers was successfully fabricated, showing superior sensitivity, selectivity and stability, with an ultra-high response value towards formaldehyde. The low detection limit of the sensor can be mainly attributed to the proper design of multi-level heterojunctions, which significantly enhance the sensing performance.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Article Engineering, Electrical & Electronic

Effect of Pt catalyst on the sensor performance of WO3 nanoflakes towards hazardous gases

Onur Alev et al.

Summary: Functionalizing WO3 nanoflakes with noble metal Pt greatly improved sensor performance, enhancing response to acetone gas, selectivity, and operation temperature. Pt modification enhanced sensitivity to acetone while suppressing responses to other gases, increasing sensor selectivity.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

Article Chemistry, Analytical

High selectivity of Ag-doped Fe2O3 hollow nanofibers in H2S detection at room operating temperature

Chengyu Yang et al.

Summary: This paper reported a simple method to synthesize Ag-doped Fe2O3 hollow nanofibers by electrospinning, and studied their application as gas sensors. The results showed that the material exhibited high response, selectivity, and sensitivity to H2S at room temperature, making it a promising sensing material for future applications.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Facile and fast decoration of SnO2 nanowires with Pd embedded SnO2-x nanoparticles for selective NO2 gas sensing

Myung Sik Choi et al.

Summary: This study proposed a method to enhance the gas sensing properties of metal oxide nanowires by preparing Pd metal catalyst surrounded by SnO2-x with structural defects on the surface of SnO2 nanowires. Gas sensing studies demonstrated the promising effects of this approach, showing the usefulness of significantly enhancing the gas sensing properties.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Multidisciplinary

A highly stable and sensitive ethanol sensor based on Ru-decorated 1D WO3 nanowires

Jianjun Li et al.

Summary: Decorating materials with noble metal catalysts is an effective method for enhancing the sensing performance of WO3 nanowire-based sensors. A sensor based on 4% Ru nanowires showed the highest response to ethanol and demonstrated outstanding repeatability and stability even after 45 days or in higher-humidity conditions.

RSC ADVANCES (2021)

Article Nanoscience & Nanotechnology

ZnO coral-like nanoplates decorated with Pd nanoparticles for enhanced VOC gas sensing

Chu Manh Hung et al.

Summary: By decorating Pd nanoparticles onto ZnO nanostructures, the optimal working temperature of the sensor can be significantly reduced, with improved response and recovery time to acetone, as well as increased sensitivity and detection limit. The Pd-ZnO sensor demonstrates effective reusability through multiple on/off switching cycles.

JOURNAL OF SCIENCE-ADVANCED MATERIALS AND DEVICES (2021)

Article Chemistry, Multidisciplinary

Ultraviolet light-emitting diode-assisted highly sensitive room temperature NO2 gas sensors based on low-temperature solution-processed ZnO/TiO2 nanorods decorated with plasmonic Au nanoparticles

Soon-Hwan Kwon et al.

Summary: By utilizing gold nanoparticles and a TiO2 shell layer, the gas sensor performance can be significantly enhanced, leading to increased sensitivity and faster response times.

NANOSCALE (2021)

Article Nanoscience & Nanotechnology

Bimetallic AuPd Alloy Nanoparticles Decorated on Macroporous WO3 Supports for Selective Detection of Acetone

Fang Zheng et al.

Summary: A series of AuPd/WO3 materials were constructed by depositing bimetallic AuPd alloy NPs on the surface of 3DOM WO3 supports, with optimized AuPd NP content and Au/Pd molar ratio for high responses and selectivity to trace acetone. The sensor based on the optimal AuPd alloy NP-decorated 3DOM WO3 exhibited excellent long-term stability in detecting acetone, attributed to the synergistic effect of electronic and chemical sensitization of AuPd alloy NPs.

ACS APPLIED NANO MATERIALS (2021)

Review Chemistry, Multidisciplinary

Highly selective gas sensing enabled by filters

Jan van den Broek et al.

Summary: Portable and inexpensive gas sensors are crucial for various applications such as non-invasive medical diagnostics, air quality monitoring, search & rescue, and food quality assessment. Selectivity in complex gas mixtures remains a major challenge, which can be overcome with the use of filters. Emphasis is placed on material engineering for targeted gas separation, portable device integration, and performance improvement in low-cost gas sensing systems for emerging applications.

MATERIALS HORIZONS (2021)

Article Chemistry, Multidisciplinary

Design of size-controlled Au nanoparticles loaded on the surface of ZnO for ethanol detection

Jianpeng Li et al.

Summary: A series of sensing hybrid-materials of Au nanoparticle loaded ZnO nanowires were successfully synthesized by electrostatic spinning and solution processing. The gas sensitivity test results show excellent performance with high selectivity and long-term stability, demonstrating the influence of loaded Au particles on the sensing performance.

CRYSTENGCOMM (2021)

Article Chemistry, Physical

High-performance gas sensor array for indoor air quality monitoring: the role of Au nanoparticles on WO3, SnO2, and NiO-based gas sensors

Jinho Lee et al.

Summary: In this study, a 3 x 3 gas sensor array was fabricated to investigate the impact of different combinations of metal oxides and noble metals on gas sensing mechanisms. It was found that dome-like nanostructures and Au NPs decoration can significantly enhance the responses of sensors to target gases.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Article Materials Science, Multidisciplinary

Highly Sensitive Self-Powered H2 Sensor Based on Nanostructured Thermoelectric Silicon Fabrics

Merce Pacios Pujado et al.

Summary: This study introduces a self-powered hydrogen thermoelectric sensor that can accurately measure hydrogen concentration without requiring external power. Experimental results demonstrate the sensor's capability to operate autonomously and generate power, indicating its potential application in the development of other self-powered sensor nodes.

ADVANCED MATERIALS TECHNOLOGIES (2021)

Article Chemistry, Inorganic & Nuclear

Mesoporous WO3 modified by Au nanoparticles for enhanced trimethylamine gas sensing properties

Yunan Wang et al.

Summary: In this study, ordered mesoporous materials WO3 and Au-loaded WO3 (Au-WO3) sensors were prepared using KIT-6 as a template. The Au-WO3 sensor showed better selectivity and higher response to TMA gas compared to the pristine WO3 sensor. With a working temperature of 268 degrees C, the Au-WO3 sensor exhibited a response (Ra/Rg) of 41.56 to 100 ppm TMA with a response time of 1 second, as well as excellent response/recovery capabilities and stability. The high sensing performances are mainly attributed to the electronic and chemical sensitization of the noble metal Au and the presence of a high specific surface area supported by the mesoporous structure, making Au-doped mesoporous WO3 a promising material for high performance TMA gas sensors.

DALTON TRANSACTIONS (2021)

Article Nanoscience & Nanotechnology

Ruthenium-decorated tungsten disulfide quantum dots for a CO2 gas sensor

Keerti Rathi et al.

NANOTECHNOLOGY (2020)

Article Engineering, Electrical & Electronic

Enhanced NO2 gas-sensing properties of Au-Ag bimetal decorated MWCNTs/WO3 composite sensor under UV-LED irradiation

Pi-Guey Su et al.

SENSORS AND ACTUATORS A-PHYSICAL (2020)

Article Materials Science, Multidisciplinary

Enhanced sensing of sulfur hexafluoride decomposition components based on noble-metal-functionalized cerium oxide

Aijun Yang et al.

MATERIALS & DESIGN (2020)

Article Nanoscience & Nanotechnology

Fabrication of a Micro-Electromechanical System-Based Acetone Gas Sensor Using CeO2 Nanodot-Decorated WO3 Nanowires

Kaiping Yuan et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

Article Chemistry, Physical

Room-temperature gas sensing of laser-modified anatase TiO2 decorated with Au nanoparticles

Neli Mintcheva et al.

APPLIED SURFACE SCIENCE (2020)

Article Chemistry, Physical

Multilayer porous Pd-WO3 composite thin films prepared by sol-gel process for hydrogen sensing

Zhongjun Han et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

Article Chemistry, Physical

Pt@NiO core-shell nanostructure for a hydrogen gas sensor

Chun-Han Wu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

Article Engineering, Environmental

Rapid detection of low concentration CO using Pt-loaded ZnO nanosheets

Yan Wang et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

Article Engineering, Electrical & Electronic

Synthesis and characterization of Au-loaded SnO2 mesoporous spheres by spray drying and their gas sensing

Laifa Sang et al.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2020)

Article Chemistry, Analytical

Palladium embedded in SnO2 enhances the sensitivity of flame-made chemoresistive gas sensors

Nicolay J. Pineau et al.

MICROCHIMICA ACTA (2020)

Article Chemistry, Analytical

Hydrogen sensing mechanism of Ru-loaded WO3 nanosheets

Dan Huang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Chemistry, Analytical

Methanol gas detection of electrospun CeO2 nanofibers by regulating Ce3+/Ce4+ mole ratio via Pd doping

Qiang Hu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Biochemical Research Methods

Correlation between breath ammonia and blood urea nitrogen levels in chronic kidney disease and dialysis patients

Chang-Chiang Chen et al.

JOURNAL OF BREATH RESEARCH (2020)

Article Materials Science, Ceramics

Enhanced NO2 sensing properties of Pt/WO3 films grown by glancing angle deposition

Hao Liu et al.

CERAMICS INTERNATIONAL (2020)

Article Chemistry, Physical

Mechanism and characteristics of Au-functionalized SnO2/In2O3 nanofibers for highly sensitive CO detection

Kuo-Chin Hsu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

Article Chemistry, Physical

Precise preparation of WO3@SnO2 core shell nanosheets for efficient NH3 gas sensing

Kai-Ping Yuan et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2020)

Article Engineering, Environmental

Ultrathin agaric-like ZnO with Pd dopant for aniline sensor and DFT investigation

Yong-Hui Zhang et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

Article Engineering, Environmental

Selective formaldehyde detection at ppb in indoor air with a portable sensor

Jan van den Broek et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

Article Engineering, Electrical & Electronic

Synthesis and characterization of meso-porous Au-modified SnO2 fibers using natural silk with enhanced sensitivity for n-butanol

Gaoyu Zhang et al.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2020)

Review Nanoscience & Nanotechnology

Gas Sensors Based on Chemi-Resistive Hybrid Functional Nanomaterials

Yingying Jian et al.

NANO-MICRO LETTERS (2020)

Article Materials Science, Multidisciplinary

GLAD Magnetron Sputtered Ultra-Thin Copper Oxide Films for Gas-Sensing Application

Artur Rydosz et al.

COATINGS (2020)

Article Materials Science, Ceramics

Highly sensitive C2H2 gas sensor based on Ag modified ZnO nanorods

Linsheng Zhou et al.

CERAMICS INTERNATIONAL (2020)

Review Chemistry, Inorganic & Nuclear

Diversiform metal oxide-based hybrid nanostructures for gas sensing with versatile prospects

Dongzhi Zhang et al.

COORDINATION CHEMISTRY REVIEWS (2020)

Article Chemistry, Physical

Ru-decorated WO3 nanosheets for efficient xylene gas sensing application

Chenhao Wang et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

Article Materials Science, Multidisciplinary

High response methane sensor based on Au-modified hierarchical porous nanosheets-assembled ZnO microspheres

Bo Zhang et al.

MATERIALS CHEMISTRY AND PHYSICS (2020)

Article Chemistry, Analytical

Drastically Enhanced Ammonia Sensing of Pt/ZnO Ordered Porous Ultra-Thin Films

Zhou Li et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Chemistry, Analytical

Acetone sensors with high stability to humidity changes based on Ru-doped NiO flower-like microspheres

Man Yang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Engineering, Electrical & Electronic

High Performance Acetone Sensor Based on Au Modified ZnO Nanosheets Fabricated via Solvothermal and Ultrasonic Reduction Method

Yan Li et al.

JOURNAL OF ELECTRONIC MATERIALS (2020)

Article Chemistry, Analytical

Room temperature operatable high sensitive toluene gas sensor using chemiresistive Ag/Bi2O3 nanocomposite

S. P. Subin David et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Chemistry, Analytical

Preparation of Pd/PdO loaded WO3 microspheres for H2S detection

Chong Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Chemistry, Analytical

Synthesis of highly oriented WO3 nanowire bundles decorated with Au for gas sensing application

Shah Zeb et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

Article Multidisciplinary Sciences

Non-dispersive infrared multi-gas sensing via nanoantenna integrated narrowband detectors

Xiaochao Tan et al.

NATURE COMMUNICATIONS (2020)

Article Materials Science, Multidisciplinary

Au Doping ZnO Nanosheets Sensing Properties of Ethanol Gas Prepared on MEMS Device

Yempati Nagarjuna et al.

COATINGS (2020)

Article Chemistry, Physical

Pulsed laser deposition of Pt-WO3 of hydrogen sensors under atmospheric conditions

Yoshiaki Nishijima et al.

APPLIED SURFACE SCIENCE (2020)

Article Food Science & Technology

A pocket-sized device enables detection of methanol adulteration in alcoholic beverages

Sebastian Abegg et al.

NATURE FOOD (2020)

Article Electrochemistry

Platinum Nanoparticle-Decorated ZnO Nanorods Improved the Performance of Methanol Gas Sensor

Sheng-Joue Young et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2020)

Article Materials Science, Multidisciplinary

Layered SnSe2 microflakes and SnSe2/SnO2 heterojunctions for low-temperature chemiresistive-type gas sensing

Xinyu Li et al.

JOURNAL OF MATERIALS CHEMISTRY C (2020)

Article Nanoscience & Nanotechnology

Nanometer-Thick Films of Aligned ZnO Nanowires Sensitized with Au Nanoparticles for Few-ppb-Level Acetylene Detection

Jiansong Miao et al.

ACS APPLIED NANO MATERIALS (2020)

Article Chemistry, Multidisciplinary

Free carrier enhanced depletion in ZnO nanorods decorated with bimetallic AuPt nanoclusters

R. Bahariqushchi et al.

NANOSCALE (2020)

Review Chemistry, Multidisciplinary

Functional metal-organic frameworks as effective sensors of gases and volatile compounds

Hai-Yang Li et al.

CHEMICAL SOCIETY REVIEWS (2020)

Article Chemistry, Physical

Adjustable n-p-n gas sensor response of Fe3O4-HNTs doped Pd nanocomposites for hydrogen sensors

Bharat Sharma et al.

APPLIED SURFACE SCIENCE (2020)

Article Chemistry, Physical

Synthesis and room-temperature H2S sensing of Pt nanoparticle-functionalized SnO2 mesoporous nanoflowers

Yu-Ping Sun et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

Article Chemistry, Physical

Superfast and efficient hydrogen gas sensor using PdAualloy@ZnO core-shell nanoparticles

Hu-Jun Le et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

Article Chemistry, Multidisciplinary

Platinum single atoms on tin oxide ultrathin films for extremely sensitive gas detection

Yongshan Xu et al.

MATERIALS HORIZONS (2020)

Article Chemistry, Physical

Preparation of palladium-doped mesoporous WO3 for hydrogen gas sensors

Chun-Han Wu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

Article Engineering, Electrical & Electronic

Au-promoted Ce-Zr catalytic filter for Pt/SnO2 sensor to selectively detect methane and ethanol in the presence of interfering indoor gases

Fatemeh Sadat Fateminia et al.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2019)

Article Engineering, Chemical

Enhanced formaldehyde sensing performance based on Ag@WO3 2D nanocomposite

Huimin Yu et al.

POWDER TECHNOLOGY (2019)

Article Chemistry, Analytical

NO2 sensing properties of one-pot-synthesized ZnO nanowires with Pd functionalization

Xiangxiang Chen et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

Article Chemistry, Analytical

An acetone gas sensor based on nanosized Pt-loaded Fe2O3 nanocubes

Shendan Zhang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

Article Chemistry, Physical

H2 gas sensor based on PdOx-doped In2O3 nanoparticles synthesized by flame spray pyrolysis

Kanittha Inyawilert et al.

APPLIED SURFACE SCIENCE (2019)

Article Chemistry, Physical

Ultrasensitive and highly selective detection of acetone based on Au@WO3-SnO2 corrugated nanofibers

Shaofeng Shao et al.

APPLIED SURFACE SCIENCE (2019)

Article Chemistry, Physical

Low concentration ammonia sensing performance of Pd incorporated indium tin oxide

Susmita Kundu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

Article Materials Science, Multidisciplinary

Experimental and theoretical study on the excellent amine-sensing performance of Au decorated WO3 needle-like nanocomposites

Xiaohong Yang et al.

MATERIALS CHEMISTRY AND PHYSICS (2019)

Article Chemistry, Analytical

NO2 sensing properties of porous Au-incorporated tungsten oxide thin films prepared by solution process

Tae Hoon Kim et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

Article Nanoscience & Nanotechnology

Tuning ZnO Sensors Reactivity toward Volatile Organic Compounds via Ag Doping and Nanoparticle Functionalization

Vasile Postica et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

Article Nanoscience & Nanotechnology

Rational Synthesis and Gas Sensing Performance of Ordered Mesoporous Semiconducting WO3/NiO Composites

Xingyu Xiao et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

Article Engineering, Electrical & Electronic

Hierarchical Au-Loaded WO3 Hollow Microspheres With High Sensitive and Selective Properties to Toluene and Xylene

Ya-Kun Lv et al.

IEEE SENSORS JOURNAL (2019)

Review Chemistry, Physical

An overview on how Pd on resistive-based nanomaterial gas sensors can enhance response toward hydrogen gas

Ali Mirzaei et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2019)

Article Chemistry, Physical

Enhanced room temperature sensitivity of Ag-CuO nanobrick/reduced graphene oxide composite for NO2

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