One-step hydrothermal synthesis of uniform Ag-doped SnO2 nanoparticles for highly sensitive ethanol sensing

Article Materials Science, Ceramics

High performance ethanol sensor based on Pr-SnO2/In2O3 composite

Jian Fang et al.

Summary: In this study, Pr-SnO2/In(2)O(3) composite material was successfully prepared by synthesis and decoration methods, and it showed good sensing performance for ethanol gas.

CERAMICS INTERNATIONAL (2022)

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Article Engineering, Electrical & Electronic

Synthesis, characterization, and gas-sensing properties of macroporous Ag/SnO2 composite by a template method

Chuang Shi et al.

Summary: Macroporous SnO2 (M-SnO2) materials with high specific surface area were synthesized by template method, and Ag modified macroporous SnO2 (M-Ag/SnO2) gas sensing materials were prepared to enhance gas sensing performance. The outstanding sensing properties of M-Ag/SnO2 materials are attributed to their high specific surface area and catalytic activity, showing great potential for designing high performance ethanol sensors.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Article Engineering, Electrical & Electronic

A high-performance ethanol gas sensor based on Ce-doped SnO2 nanomaterials prepared by the Pechini method

Yongchang Wang et al.

Summary: Ce-doped SnO2 nanomaterials prepared by the Pechini method exhibit excellent gas sensing properties for ethanol. The sensor doped with 2% Ce shows a response 2.4 times higher than the Pure-SnO2 device, with lower optimum operating temperature and better ethanol selectivity, linearity, and stability. The enhancement factors of the sensing characteristics are further discussed, indicating great application potential in gas sensors.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Article Materials Science, Ceramics

Low concentration isopropanol gas sensing properties of Ag nanoparticles decorated In2O3 hollow spheres

Chao Zhang et al.

Summary: In this study, hollow sphere sensors based on In2O3 were prepared using the soft template method for the detection of low concentrations of volatile organic compounds (VOCs) for early diagnosis of lung cancer. The Ag-In2O3 composite sensors showed the highest response to isopropanol and had a significant improvement compared to pure In2O3 sensors, with shortened response and recovery time.

JOURNAL OF ADVANCED CERAMICS (2022)

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Article Materials Science, Ceramics

An investigation on the photocatalytic activity of sub-stoichiometric TiO2-x coatings produced by suspension plasma spray

Hediyeh Khatibnezhad et al.

Summary: By coating sub-stoichiometric TiO2-x films on stainless steel substrates and annealing at different temperatures, it is possible to enhance the photocatalytic activity and improve the degradation of methylene blue. Research on TiO2-x coatings indicates that oxygen vacancies have a positive effect on photocatalytic activity, reducing charge recombination rates by introducing energy levels.

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Article Chemistry, Physical

Plasma-induced sub-10 nm Au-SnO2-In2O3 heterostructures fabricated by atomic layer deposition for highly sensitive ethanol detection on ppm level

Hongyan Xu et al.

Summary: Two-dimensional Au-SnO2-In2O3 heterostructures with thickness less than 10.0 nm were fabricated using the plasma-enhanced atomic layer deposition (PE-ALD) technique on 4 inch Si/SiO2 wafers as functional electrodes for electrochemical ethanol sensors. The developed heterostructures demonstrated fast response/recovery times, high changes in resistivity to ethanol, low limit of detection, great selectivity and long-term stability, making them promising for sensor miniaturization and mass production.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Physical

Two-step hydrothermal fabrication of CeO2-loaded MoS2 nanoflowers for ethanol gas sensing application

Jianhua Zhang et al.

Summary: The MoS2/CeO2 composite sensor with CeO2 nanoparticles-decorated MoS2 nanoflowers showed superior gas sensing performance towards ethanol, mainly attributed to the variable valence state of cerium ions and the synergistic effects of MoS2 nanoflowers and CeO2 nanoparticles.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Analytical

Unraveling the Surface Chemistry of CO Sensing with In2O3 Based Gas Sensors

Inci Boehme et al.

Summary: This study investigated the effect of water vapor on In2O3-based gas sensors and its influence on the detection of CO, as well as the impact of humidity on sensor performance. Through electrical measurements and infrared spectroscopy, the research explored the sensing characteristics of different materials under varying humidity conditions, identifying the different effects of baseline resistance and surface hydroxylation levels on sensing behavior.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Highly sensitive isoprene gas sensor using Au-loaded pyramid-shaped ZnO particles

Noriko Saito et al.

Summary: A highly sensitive isoprene gas sensor using Au-loaded pyramid-shaped ZnO particles was reported, with a remarkable response value of 42 to 50 ppb isoprene gas in dry air at 350 degrees C, and 4.8 under 80% relative humidity. The sensor shows enhanced selectivity compared to acetone, ethanol, and hydrogen, and can detect as low as 10 ppb isoprene concentration, making it possible for diagnosis of liver diseases and sleep state.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Physical

Synthesis of tin dioxide (SnO2) hollow nanospheres and its ethanol-sensing performance augmented by gold nanoparticle decoration

Zicheng Cai et al.

Summary: Ethanol sensors with superior performance were fabricated using Au nanoparticles decorated SnO2 hollow nanospheres (Au-SnO2 HNS). The ethanol-sensing response of SnO2 HNS improved 2.7 times when exposed to 100 ppm ethanol gas measured at 250 degrees C, showing selective sensing response towards ethanol gas compared to other VOC gases. The improved sensing properties were attributed to the optimized morphologies of the sensing materials and the catalytic effect of the Au nanoparticles.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Physical

Hydrothermal synthesis of SnO2-CuO composite nanoparticles as a fast-response ethanol gas sensor

Junliang Zhang et al.

Summary: The SnO2-CuO composite nanoparticles fabricated as an ethanol gas sensor exhibit excellent sensitivity and selectivity to ethanol, with short response recovery time and good linear relationship between response value and ethanol concentration, mainly due to the special heterostructure and synergistic effect between tin oxide and copper oxide.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Materials Science, Multidisciplinary

Novel porous orange-peel-like Au/SnO2/ZnO nanosheets with highly sensitive and selective performance to ethanol

Yujie Li et al.

Summary: In this study, an ethanol sensor based on novel porous orange-peel-like nanosheets was developed through an electrospinning method followed by calcining procedure. The Au/SnO2/ZnO porous nanosheets showed an excellent response to 100 ppm ethanol, with good selectivity and fast response/recovery ability. The synergistic effects of porous curly structures, n-n heterojunction, and Au catalysis contributed to the improved performance of the sensor.

MATERIALS LETTERS (2021)

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Article Chemistry, Analytical

Mo-doped SnO2 nanotubes sensor with abundant oxygen vacancies for ethanol detection

Li Wang et al.

Summary: This work presents a method for synthesizing Mo-doped SnO2 nanotubes with uniform morphology, which enhances gas adsorption by creating new lattice defects. The optimal doping concentration of transition metal elements is essential for achieving the best sensing response in metal-oxide NTs gas sensors.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Oxygen vacancy-based Tb-doped SnO2 nanotubes as an ultra-sensitive sensor for ethanol detection

Li Wang et al.

Summary: In this study, terbium-doped SnO2 nanotubes were synthesized and characterized for gas sensing applications. XPS analysis revealed that 7% terbium-doped SnO2 showed the best sensitivity to ethanol at 100 ppm, reaching 53.6 at 200 degrees Celsius. The doping of terbium increased the number of active sites on the surface of SnO2, enhancing gas sensitivity and electrical responsiveness.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Materials Science, Multidisciplinary

Design of high-sensitivity ethanol sensor based on Pr-doped SnO2 hollow beaded tubular nanostructure

Xiaoli Xu et al.

Summary: Pr-doped SnO2 hollow beaded tubular nanostructure was synthesized using electrospinning technique with carbon spheres as sacrificial templates. The sensor showed high response value, excellent selectivity, and rapid response-recovery ability to ethanol, effectively detecting ethanol vapor as low as 2 ppm. Possible enhancement mechanisms involving the unique nanostructure, carbon templates, and Pr dopant were discussed. This research may contribute to the improvement of ethanol sensors.

VACUUM (2021)

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Article Energy & Fuels

Enhanced sensing performance of ZnO nanostructures-based gas sensors: A review

Vijendra Singh Bhati et al.

ENERGY REPORTS (2020)

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Article Chemistry, Physical

Tungsten trioxide nanoparticles decorated tungsten disulfide nanoheterojunction for highly sensitive ethanol gas sensing application

Dongzhi Zhang et al.

APPLIED SURFACE SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Microwave-assisted hydrothermal synthesis of Pt/SnO2 gas sensor for CO detection

Qingji Wang et al.

CHINESE CHEMICAL LETTERS (2020)

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Article Chemistry, Physical

Low temperature and fast response hydrogen gas sensor with Pd coated SnO2 nanofiber rods

Feipeng Wang et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Article Materials Science, Multidisciplinary

Highly response CO2 gas sensor based on Au-La2O3 doped SnO2 nanofibers

Kuo-Chin Hsu et al.

MATERIALS LETTERS (2020)

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Article Chemistry, Analytical

Design of highly porous SnO2-CuO nanotubes for enhancing H2S gas sensor performance

Kee-Ryung Park et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Oxygen vacancy defects engineering on Ce-doped α-Fe2O3 gas sensor for reducing gases

Xiao Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Physical

Self-assembly fabrication of titanium dioxide nanospheres-decorated tungsten diselenide hexagonal nanosheets for ethanol gas sensing application

Wenjing Pan et al.

APPLIED SURFACE SCIENCE (2020)

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Review Green & Sustainable Science & Technology

Photocatalytic degradation of organic pollutants using TiO2-based photocatalysts: A review

Dongjie Chen et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Chemistry, Analytical

High-performance acetone gas sensor based on Ru-doped SnO2 nanofibers

Xueying Kou et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Materials Science, Ceramics

ZnO-SnO2 nano-heterostructures with high-energy facets for high selective and sensitive chlorine gas sensor

Xiaokun Zheng et al.

CERAMICS INTERNATIONAL (2020)

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Article Chemistry, Physical

Highly improved ethanol gas response of n-type α-Fe2O3 bunched nanowires sensor with high-valence donor-doping

J. N. Mao et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Materials Science, Multidisciplinary

High response ethanol gas sensor based on orthorhombic and tetragonal SnO2

Bing Ji Wang et al.

VACUUM (2020)

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Article Materials Science, Multidisciplinary

Photoluminescence and photocatalytic activity of spin coated Ag+ doped anatase TiO2 thin films

D. Komaraiah et al.

OPTICAL MATERIALS (2020)

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Article Chemistry, Analytical

Formaldehyde detection with chemical gas sensors based on WO3 nanowires decorated with metal nanoparticles under dark conditions and UV light irradiation

Benachir Bouchikhi et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Bi-doped urchin-like In2O3 hollow spheres: Synthesis and improved gas sensing and visible-light photocatalytic properties

Zhenhua Tao et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Hydrothermal synthesis of Au@SnO2 hierarchical hollow microspheres for ethanol detection

Yanming Liu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Synthesis of Pd nanoparticle-decorated SnO2 nanowires and determination of the optimum quantity of Pd nanoparticles for highly sensitive and selective hydrogen gas sensor

Zhicheng Cai et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Highly sensitive gas sensor based on Er-doped SnO2 nanostructures and its temperature dependent selectivity towards hydrogen and ethanol

Gurpreet Singh et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Chemistry, Physical

Optimizing the gas sensing characteristics of Co-doped SnO2 thin film based hydrogen sensor

Zili Zhang et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Chemistry, Analytical

Rationally designed mesoporous In2O3 nanofibers functionalized Pt catalysts for high-performance acetone gas sensors

Wei Liu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Chemistry, Physical

Cu/SnO2 gas sensor fabricated by ultrasonic spray pyrolysis for effective detection of carbon monoxide

A. Tombak et al.

APPLIED SURFACE SCIENCE (2019)

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Article Chemistry, Multidisciplinary

Enhanced acetone sensing performance of an alpha-Fe2O3-In2O3 heterostructure nanocomposite sensor

Su Zhang et al.

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS (2018)

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Article Chemistry, Analytical

Highly sensitive and selective triethylamine gas sensor based on porous SnO2/Zn2SnO4 composites

Xueli Yang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Review Biotechnology & Applied Microbiology

Simultaneous Removal of Multicomponent VOCs in Biofilters

Chunping Yang et al.

TRENDS IN BIOTECHNOLOGY (2018)

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Article Engineering, Electrical & Electronic

Synthesis, characterization, and gas-sensing properties of Ag/SnO2/rGO composite by a hydrothermal method

Ying Wei et al.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2017)

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Article Materials Science, Multidisciplinary

Preparation of Ag-doped ZnO-SnO2 hollow nanofibers with an enhanced ethanol sensing performance by electrospinning

L. Ma et al.

MATERIALS LETTERS (2017)

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Article Chemistry, Applied

Synthesis and gas sensing properties of SnO2 nanoparticles with different morphologies

Makoto Hamanaka et al.

JOURNAL OF POROUS MATERIALS (2016)

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Article Chemistry, Analytical

Ultrasensitive and highly selective detection of methoxy propanol based on Ag-decorated SnO2 hollow nanospheres

Meihua Li et al.

SENSORS AND ACTUATORS B-CHEMICAL (2016)

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Article Nanoscience & Nanotechnology

Near Room Temperature, Fast-Response, and Highly Sensitive Triethylamine Sensor Assembled with Au-Loaded ZnO/SnO2 Core Shell Nanorods on Flat Alumina Substrates

Dian-Xing Ju et al.

ACS APPLIED MATERIALS & INTERFACES (2015)

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Article Chemistry, Physical

Preparation of Pd nanoparticle-decorated hollow SnO2 nanofibers and their enhanced formaldehyde sensing properties

Ying Lin et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2015)

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Article Chemistry, Multidisciplinary

Nanoparticle cluster gas sensor: Pt activated SnO2 nanoparticles for NH3 detection with ultrahigh sensitivity

Xu Liu et al.

NANOSCALE (2015)

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Article Chemistry, Analytical

A facile synthesis of Pd-doped SnO2 hollow microcubes with enhanced sensing performance

Li Xiao et al.

SENSORS AND ACTUATORS B-CHEMICAL (2015)

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Review Materials Science, Multidisciplinary

SnO2: A comprehensive review on structures and gas sensors

Soumen Das et al.

PROGRESS IN MATERIALS SCIENCE (2014)

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One-step hydrothermal synthesis of uniform Ag-doped SnO2 nanoparticles for highly sensitive ethanol sensing

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