MOF-derived In2O3 nanotubes/Cr2O3 nanoparticles composites for superior ethanol gas-sensing performance at room temperature

Article Materials Science, Ceramics

Electrospun Cu-doped In2O3 hollow nanofibers with enhanced H2S gas sensing performance

Yu Zhang et al.

Summary: Cu-In2O3 hollow nanofibers fabricated by electrospinning and calcination exhibit over 20 times higher responses to H2S compared to pristine In2O3 hollow nanofibers, showing excellent selectivity and reproducibility.

JOURNAL OF ADVANCED CERAMICS (2022)

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Article Chemistry, Physical

NiO-functionalized In2O3 flower-like structures with enhanced trimethylamine gas sensing performance

Dan Meng et al.

Summary: The gas sensor fabricated from NiO-functionalized In2O3 flower-like structures exhibits enhanced detection performance for TMA gas, with high reproducibility, stability, selectivity, and a low detection limit, showcasing a widely applicable strategy for improving the gas sensing properties of metal oxide semiconductors.

APPLIED SURFACE SCIENCE (2022)

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Article Chemistry, Physical

Enhanced hydrogen sensing performances of PdO nanoparticles-decorated ZnO flower-like nanostructures

Sonalika Agarwal et al.

Summary: PdO/ZnO flower-like nanostructures decorated with PdO nanoparticles were synthesized and studied for hydrogen sensing applications. The sensor showed high sensitivity, rapid response time, and selectivity towards hydrogen gas compared to other target gases.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Analytical

Atomic layer deposition of Rh/ZnO nanostructures for anti-humidity detection of trimethylamine

Zishuo Li et al.

Summary: The design of metal/semiconductor hybrid nanostructures is crucial for the development of efficient chemical gas sensors. In this study, a highly sensitive gas-sensing material for TMA detection was designed by depositing Rh onto ZnO flower-like nanostructures using ALD. The sensor exhibited a fast response-recovery, excellent humidity resistance, and a low detection limit, indicating its high potential for reliable detection of sub-ppm TMA.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Chemistry, Analytical

Metal-organic frameworks-derived In2O3 microtubes/Ti3C2Tx MXene composites for NH3 detection at room temperature

Miao Liu et al.

Summary: In this article, a gas sensor based on metal organic frameworks (MOFs) derived In2O3/Ti3C2Tx MXene was reported. The In2O3 microstructures were successfully anchored on the surface of Ti3C2Tx MXene, resulting in a sensor with excellent performance. The experimental results showed that the sensor exhibited high response rate and low detection limit towards NH3 gas, and demonstrated excellent linear response, fast response/recovery rate, outstanding selectivity, and stability. This research is expected to be an important reference for the design of high-performance ammonia gas sensors.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Chemistry, Analytical

Anchoring Fe2O3 nanosheets on NiO nanoprisms to regulate the electronic properties for improved n-butanol detection

Hongyin Pan et al.

Summary: This study proposes a unique heterostructure of NiO nanoprisms/Fe2O3 nanosheets for n-butanol sensors, which exhibits superior performances. The addition of Fe2O3 changes the conductivity of the NiO sensor, leading to an improved sensor response. The sensor shows good linear response within the concentration range of 0.1-20 ppm n-butanol and achieves a 3-time enhancement in response compared to pure NiO for 4.2-10 ppm n-butanol at 200 degrees C. The NiO/Fe2O3 sensor also demonstrates a lower detection limit compared to NiO.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Engineering, Environmental

Ex-situ XPS analysis of yolk-shell Sb2O3/WO3 for ultra-fast acetone resistive sensor

Qiao Wang et al.

Summary: The study synthesized yolk-shell Sb2O3/WO3 gas sensor and investigated its excellent performance in acetone gas detection. The sensor showed rapid response, low detection limit, and superior selectivity towards acetone.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Analytical

The fabrication and triethylamine sensing performance of In-MIL-68 derived In2O3 with porous lacunaris structure

Yue Sun et al.

Summary: A gas sensor based on In2O3 derived from In-MIL-68 shows high sensitivity, selectivity, stability, and moisture resistance for quantitatively detecting TEA gas at ppb level. With a porous lacunaris structure, the sensor exhibits a fast response and recovery time when exposed to TEA gas, making it a promising candidate for TEA detection.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Physical

Ag nanoparticles-functionalized dumbbell-shaped In2O3 derived from MIL-68(In) with excellent sensitivity to formaldehyde

Jing Sun et al.

Summary: This study demonstrates that loading silver nanoparticles onto In2O3 surface is an effective method to improve the detection performance of low-concentration formaldehyde gas, showing high response, rapid recovery, good reproducibility, and remarkable stability.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Physical

Modulated PrFeO3 by doping Sm3+ for enhanced acetone sensing properties

Shitu Pei et al.

Summary: Coral-like nanocrystallites of Sm-PrFeO3 were successfully prepared through a hydrothermal method, improving gas sensing performance, reducing response temperature, and increasing conductivity. Moreover, it exhibited good recovery speed to acetone under humidity conditions.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Materials Science, Multidisciplinary

Synthesis of Ba-doped porous LaFeO3 microspheres with perovskite structure for rapid detection of ethanol gas

Pei Hao et al.

Summary: Porous La1-xBaxFeO3 microspheres were prepared by a hydrothermal method with Ba-doping, showing high response and rapid response time to ethanol gas at 2 mol% Ba-doping concentration. The sensing material demonstrates superior performance in ethanol detection compared to undoped samples, with an optimum operating temperature of 200 degrees C.

RARE METALS (2021)

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Article Chemistry, Analytical

Facile synthesis of metal-organic framework-derived ZnO/CuO nanocomposites for highly sensitive and selective H2S gas sensing

Tan Le Hoang Doan et al.

Summary: ZnO/CuO nanocomposites derived from a metal-organic framework showed excellent gas sensing performance on low concentrations of H2S gas, with high response, selectivity, and repeatability. This was attributed to the texture coefficients of the ZnO and CuO phase compositions, leading to the formation of a high number of p-n junctions and quantum confinement effects, as well as the lower binding energy of H2S.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Porous, 3D-hierarchical α-NiMoO4 rectangular nanosheets for selective conductometric ethanol gas sensors

Bharat Sharma et al.

Summary: Transition metal oxides with unique nanoarchitectures are considered as promising candidates for selective detection of organic gases due to their abundance and high surface area. Two different nanoarchitectures of nickel molybdate were proposed and synthesized, with the 3D-rectangular nanosheets showing higher gas response and lower detection limit for ethanol gas sensors.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

α-Fe2O3 nanocubes/Ti3C2Tx MXene composites for improvement of acetone sensing performance at room temperature

Miao Liu et al.

Summary: The study synthesized heterogeneous composites of α-Fe2O3 and Ti3C2Tx MXene, which exhibited outstanding selectivity towards acetone at room temperature.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Variable gas sensing performance towards different volatile organic compounds caused by integration types of ZnS on In2O3 hollow spheres

Peng He et al.

Summary: This study investigated various integration types of In2O3/ZnS composites as high-performance sensing materials for different volatile organic compounds. Two optimized structures were prepared by adjusting the molar ratios of In2O3 to ZnS and showed different sensing responses towards specific target gases, highlighting the importance of composite selection and structure design in developing high-performance gas sensors.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Polydopamine-modified SnO2 nanofiber composite coated QCM gas sensor for high-performance formaldehyde sensing

Zhanjia Kang et al.

Summary: This paper presents a quartz crystal microbalance sensor based on SnO2 NFs/PDA composite with high sensitivity and selectivity to formaldehyde gas. The sensor exhibited excellent sensing characteristics over a wide range of formaldehyde concentration, including high sensitivity, short response/recovery times, and high linearity. The adsorption mechanism of formaldehyde gas was attributed to hydrogen bonding and aldehyde ammonia Schiff base interactions.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Physical

Facile synthesis of W18O49/Graphene nanocomposites for highly sensitive ethanol gas sensors

Yinghua Qiu et al.

Summary: The W18O49/Graphene nanocomposites were synthesized using a graphene assisted hydrothermal route, forming p-n heterojunctions for highly sensitive ethanol gas sensors. The unique structure of interlaced nanowires in the composites promoted gas adsorption and sensing reactions, leading to outstanding ethanol detection performance.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2021)

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Article Chemistry, Physical

Metal-organic framework-derived Cr-doped hollow In2O3 nanoboxes with excellent gas-sensing performance toward ammonia

Jin Sun et al.

Summary: The Cr-doped In2O3 samples synthesized by calcining metal-organic frameworks (MOFs)-precursors exhibit uniform hollow nanoboxes with large specific surface areas, and the 0.5 wt% Cr-doped In2O3 sample shows excellent gas sensing performance for NH3. The sensor has low operating temperature, high selectivity, good repeatability, relatively high response, low detection concentration, and short response time.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Analytical

Rational design of Bi-doped rGO/Co3O4 nanohybrids for ethanol sensing

Sheng-Xun Cai et al.

Summary: A Bi-doped rGO/Co3O4 nanohybrid with a flower morphology was designed and fabricated for use as a sensing layer in an ethanol sensor, showing a high p-type response and selectivity to ethanol.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Physical

MoO2-Ni-graphene ternary nanocomposite for a high-performance room-temperature ethanol gas sensor

Shahid Mehmood et al.

Summary: The synthesis of MoO2-Ni-Graphene ternary sensing material through the hydrothermal method showed improved gas sensing performance towards ethanol, with enhanced sensitivity and selectivity attributed to the metallic nature of Ni and MoO2 on the graphene surface, interaction of hydroxyl species via hydrogen bonding, and lower LUMO energy levels of ethanol. Long term stability testing of the sensor also demonstrated its potential as an ideal candidate for future commercial ethanol sensing.

APPLIED SURFACE SCIENCE (2021)

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Article Engineering, Environmental

Core-shell ZIF-8@MIL-68(In) derived ZnO nanoparticles-embedded In2O3 hollow tubular with oxygen vacancy for photocatalytic degradation of antibiotic pollutant

Juxin Li et al.

Summary: The ZnO@In2O3 core-shell hollow microtubes with rich oxygen vacancy were successfully synthesized, demonstrating enhanced photocatalytic performance compared to single ZnO and In2O3. The heterostructure shows higher efficiency in degrading tetracycline under simulated solar irradiation.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Analytical

Flexible MXene/rGO/CuO hybrid aerogels for high performance acetone sensing at room temperature

Miao Liu et al.

Summary: In this study, a high-performance room temperature gas-sensing material was successfully developed by utilizing MXene and reduced graphene oxide as building blocks. The resulting 3D aerogel shows excellent acetone-sensing performance at room temperature, with fast response and recovery times, as well as good reproducibility and selectivity. This strategy of composite 3D graphene/MXene architectures with metal oxide semiconductors provides a new pathway for future development of room temperature gas sensors.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

A room-temperature NO2 gas sensor based on CuO nanoflakes modified with rGO nanosheets

Haineng Bai et al.

Summary: A gas sensor utilizing CuO/rGO nanoflakes was successfully developed for detecting ppb-level NO2 gas at room temperature. The sensor demonstrated ultrahigh response behavior, fast response time, reliability, and long-term stability. The improved gas-sensing response was attributed to synergistic effects between CuO and rGO.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Cr-doped NiO nanoparticles as selective and stable gas sensor for ppb-level detection of benzyl mercaptan

Peipei Li et al.

Summary: A high-performance MOS gas sensor based on Cr-doped NiO nanoparticles was reported for the detection of ppb-level benzyl mercaptan, showing excellent selectivity against interfering VOCs and remarkable stability after long-term measurements. The superior performance of the sensor can be attributed to the electron transfer among Ni-O-Cr bonds, defective oxygen, and chemical adsorption oxygen after Cr doping.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Selective ppb-level ozone gas sensor based on hierarchical branch-like In2O3 nanostructure

Ning Sui et al.

Summary: This study successfully achieved high-sensitivity detection of ozone by designing and preparing hierarchical branch-like B-In2O3 nanomaterials. The sensor exhibited fast response and low detection limit of 30 ppb, making it a potential platform for highly sensitive and ppb-level O-3 detection.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

In-situ generated TiO2/α-Fe2O3 heterojunction arrays for batch manufacturing of conductometric acetone gas sensors

Chen Wang et al.

Summary: A highly sensitive and selective acetone gas sensor was successfully fabricated by designing an n-n heterojunction of TiO2 nanorods and alpha-Fe2O3 branches. The sensor based on TiO2/alpha-Fe2O3 heterostructures showed a significantly higher response to acetone gas compared to pristine TiO2 sensors. The enhanced sensing properties were attributed to the specific structure and mechanism of the TiO2/alpha-Fe2O3 n-n heterojunction.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Physical

Hydrothermal synthesis of In2O3 nanocubes for highly responsive and selective ethanol gas sensing

Thuy T. D. Nguyen et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2020)

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Article Materials Science, Multidisciplinary

Acetone sensing characteristics of Fe2O3/In2O3 nanocomposite

Ensi Cao et al.

MATERIALS LETTERS (2020)

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Article Chemistry, Analytical

MOF-derived α-Fe2O3 porous spindle combined with reduced graphene oxide for improvement of TEA sensing performance

Qi Wei et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Metal-Organic frameworks-derived bamboo-like CuO/In2O3 Heterostructure for high-performance H2S gas sensor with Low operating temperature

Sihan Li et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Analytical

Hydrothermal synthesis of flower-like In2O3 as a chemiresistive isoprene sensor for breath analysis

Baoqing Han et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Physical

Construction of porous LaFeO3 microspheres decorated with NiO nanosheets for high response ethanol gas sensors

Pei Hao et al.

APPLIED SURFACE SCIENCE (2020)

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Article Chemistry, Analytical

Spindle-like Fe2O3/ZnFe2O4 porous nanocomposites derived from metal-organic frameworks with excellent sensing performance towards triethylamine

Qi Wei et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Chemistry, Physical

Pd Supported on MIL-68(In)-Derived In2O3 Nanotubes as Superior Catalysts to Boost CO2 Hydrogenation to Methanol

Zhongjie Cai et al.

ACS CATALYSIS (2020)

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Article Chemistry, Physical

Preparation of Fe-doped In2O3 gas sensing semiconductor by one-step impregnation with enhanced ethanol sensing

Xianjia Chen et al.

CHEMICAL PHYSICS LETTERS (2019)

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Article Chemistry, Analytical

Investigation of humidity sensor based on Au modified ZnO nanosheets via hydrothermal method and first principle

Shuguo Yu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Materials Science, Ceramics

Metal-organic-framework-derived In2O3 microcolumnar structures embedded with Pt nanoparticles for NO2 detection near room temperature

Yunshi Liu et al.

CERAMICS INTERNATIONAL (2019)

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Article Chemistry, Analytical

Highly selective and sensitive CH4 gas sensors based on flame-spray-made Cr-doped SnO2 particulate films

K. Bunpang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Chemistry, Physical

Fabrication of aggregated In2O3 nanospheres for highly sensitive acetaldehyde gas sensors

Rama Krishna Chava et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Review Chemistry, Analytical

Synergistic effects in gas sensing semiconducting oxide nano-heterostructures: A review

Janine M. Walker et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Chemistry, Analytical

Ozone gas sensing properties of metal-organic frameworks-derived In2O3 hollow microtubes decorated with ZnO nanoparticles

Dongzhi Zhang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

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Article Materials Science, Multidisciplinary

Controllable synthesis of Ho-doped In2O3 porous nanotubes by electrospinning and their application as an ethanol gas sensor

Haojie Duan et al.

JOURNAL OF MATERIALS SCIENCE (2018)

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Article Chemistry, Physical

Cr2O3 nanoparticle-functionalized WO3 nanorods for ethanol gas sensors

Seungbok Choi et al.

APPLIED SURFACE SCIENCE (2018)

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Article Chemistry, Physical

UV-light -assisted ethanol sensing characteristics of g-C3N4/ZnO composites at room temperature

Jiali Zhai et al.

APPLIED SURFACE SCIENCE (2018)

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Article Chemistry, Analytical

Enhanced triethylamine-sensing properties of P-N heterojunction Co3O4/In2O3 hollow microtubes derived from metal-organic frameworks

Shaoxuan Shi et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Article Physics, Multidisciplinary

Prominent ethanol sensing with Cr2O3 nanoparticle-decorated ZnS nanorods sensors

Gun-Joo Sun et al.

JOURNAL OF THE KOREAN PHYSICAL SOCIETY (2016)

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Article Chemistry, Multidisciplinary

Flower-like In2O3 hierarchical nanostructures: synthesis, characterization, and gas sensing properties

Dan Han et al.

RSC ADVANCES (2014)

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Article Materials Science, Multidisciplinary

Enhanced ethanol sensing properties of TeO2/In2O3 core-shell nanorod sensors

Hyunsung Ko et al.

CURRENT APPLIED PHYSICS (2013)

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Article Physics, Condensed Matter

Gas-sensing properties of SnO2-TiO2-based sensor for volatile organic compound gas and its sensing mechanism

Zeng Wen et al.

PHYSICA B-CONDENSED MATTER (2010)

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Article Chemistry, Analytical

A highly sensitive and fast-responding sensor based on electrospun In2O3 nanofibers

Wei Zheng et al.

SENSORS AND ACTUATORS B-CHEMICAL (2009)

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MOF-derived In2O3 nanotubes/Cr2O3 nanoparticles composites for superior ethanol gas-sensing performance at room temperature

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