Ultrasensitive n-butanol gas sensor based on Bi2O3-In2O3 heterostructure

Chen, Qiuying; Tan, Xiaoming; Dastan, Davoud; Zhang, Zhenkai; Liu, Zhenyue; Yue, Chen; Yang, Zhiguo; Mu, Yang; Wang, Xiaoning; Chen, Xingtai; Wang, Feifei; Yin, Xi-Tao; Ma, Xiaoguang

doi:10.1016/j.jallcom.2024.175585

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.175585

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Ultrasensitive n-butanol gas sensor based on Bi2O3-In2O3 heterostructure

Qiuying Chen,

Xiaoming Tan,

Davoud Dastan

et al.

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Cited by 3 publications

References 66 publications

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Core-shell Bi2O3/CeO2 heterojunction for enhanced formaldehyde gas sensor

Meng,

Kang,

Zhao

et al. 2024

Ceramics International

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Core-shell Bi2O3/CeO2 heterojunction for enhanced formaldehyde gas sensor

Meng,

Kang,

Zhao

et al. 2024

Ceramics International

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Co ions doping enhances n-butanol sensing performance of In2O3 nanospheres

Yang,

Chen,

Chen

et al. 2025

Sensors and Actuators B: Chemical

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Enhanced Gas Sensing Performance of Heterostructure Sensors Based on H-NCD, MoS₂, and Functionalized Graphene Oxide for Ethanol, NH₃, and NO₂ Detection

Nemova,

Prakash,

Saida

et al. 2024

E3S Web Conf.

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This study investigates the gas-sensing capabilities of heterostructure sensors based on hydrogen-terminated nanocrystalline diamond (H-NCD), molybdenum disulfide (MoS₂), and functionalized graphene oxide (SH-GO, GO) for detecting ethanol, ammonia (NH₃), and nitrogen dioxide (NO₂) gases at 100 ppm concentrations. Sensors were tested at two distinct temperatures: 125°C and room temperature (22°C). Among the tested sensors, the SH-GO/H-NCD exhibited the highest sensitivity to ethanol, with a response of 634% at 22°C and 554% at 125°C. The Au NPs/H-NCD sensor showed the second-best ethanol response of 587% at 125°C. For NH₃, SH-GO/H-NCD demonstrated the best response at 125°C with a value of 76%, while at room temperature, it showed 41%. NO₂ sensing showed negative responses, with the SH-GO/H-NCD sensor exhibiting the least degradation at -47% at 125°C and -19% at 22°C. The results highlight those combining materials into heterostructures significantly enhances gas detection performance, even at room temperature, showing comparable responses to commercial sensors.

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Ultrasensitive n-butanol gas sensor based on Bi2O3-In2O3 heterostructure

Cited by 3 publications

References 66 publications

Core-shell Bi2O3/CeO2 heterojunction for enhanced formaldehyde gas sensor

Core-shell Bi2O3/CeO2 heterojunction for enhanced formaldehyde gas sensor

Co ions doping enhances n-butanol sensing performance of In2O3 nanospheres

Enhanced Gas Sensing Performance of Heterostructure Sensors Based on H-NCD, MoS₂, and Functionalized Graphene Oxide for Ethanol, NH₃, and NO₂ Detection

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