Journal ArticleDOI
Multifunctional dumbbell-shaped ZnO based temperature-dependent UV photodetection and selective H2 gas detection
TLDR
In this article, a single step chemically synthesized dumbbell-shaped ZnO microcrystal has been utilized to fabricate UV photodetectors and highly selective H2 gas sensors.About:
This article is published in International Journal of Hydrogen Energy.The article was published on 2020-05-26. It has received 31 citations till now. The article focuses on the topics: Operating temperature & Atmospheric temperature range.read more
Citations
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Journal ArticleDOI
Review of ZnO-based nanomaterials in gas sensors
TL;DR: ZnO-based gas sensors have been widely used due to fast response, low detection limit, high selectivity, reliable performance and low manufacturing cost as discussed by the authors, however, their sensitivity and selectivity are low.
Journal ArticleDOI
Highly responsive and low-cost ultraviolet sensor based on ZnS/p-Si heterojunction grown by chemical bath deposition
Arun Kumar,Manjeet Kumar,Vishwa Bhatt,Samrat Mukherjee,Sunil Kumar,Himanshu Sharma,Monu Yadav,S.K. Tomar,S.K. Tomar,Ju-Hyung Yun,Ravi Kant Choubey +10 more
TL;DR: In this paper, nanocrystalline ZnS thin films were deposited on p-Si substrates, and the crystalline quality of the as-deposited thin films was studied using X-ray diffraction and scanning transmission electron microscopy (STEM).
Journal ArticleDOI
ZnS microspheres-based photoconductor for UV light-sensing applications
Arun Kumar,Manjeet Kumar,Vishwa Bhatt,Deasung Kim,Samrat Mukherjee,Ju-Hyung Yun,Ravi Kant Choubey +6 more
TL;DR: In this article, a simple one-step hydrothermal technique has been implied to synthesize the ZnS based microspheres, and it has been utilized for the UV photoconductor device applications.
Journal ArticleDOI
Study on thickness-dependence characteristics of bismuth ferrite (BFO) for ultraviolet (UV) photodetector application
TL;DR: In this article, a spray pyrolysis technique was used for the fabrication of Bismuth ferrite (BiFeO3, BFO) thin films with varying thickness.
Journal ArticleDOI
Temperature-dependent photodetection behavior of AlGaN/GaN-based ultraviolet phototransistors
Lei Yang,Haochen Zhang,Yue Sun,Kunpeng Hu,Zhanyong Xing,Kun Liang,Shi Fang,Danhao Wang,Huabin Yu,Yang Jun Kang,Haiding Sun +10 more
TL;DR: In this article , the authors investigated the temperature-dependent photodetection behavior of a high-performance AlGaN/GaN-based ultraviolet phototransistor (UVPT) operating under 265nm illumination.
References
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Journal ArticleDOI
A comprehensive review of zno materials and devices
Ümit Özgür,Ya. I. Alivov,C. Liu,A. Teke,Michael A. Reshchikov,Seydi Doğan,Vitaliy Avrutin,Sang-Jun Cho,Hadis Morkoç +8 more
TL;DR: The semiconductor ZnO has gained substantial interest in the research community in part because of its large exciton binding energy (60meV) which could lead to lasing action based on exciton recombination even above room temperature.
Journal ArticleDOI
The role of hydrogen and fuel cells in the global energy system
Iain Staffell,Daniel Scamman,Anthony Velazquez Abad,Paul Balcombe,Paul E. Dodds,Paul Ekins,Nilay Shah,Kate R. Ward +7 more
TL;DR: A comprehensive review of the potential role that hydrogen could play in the provision of electricity, heat, industry, transport and energy storage in a low-carbon energy system, and an assessment of the status of hydrogen in being able to fulfil that potential is presented in this article.
Journal ArticleDOI
Semiconductor metal oxide gas sensors: A review
TL;DR: In this paper, a detailed study of semiconductor metal oxide (SMO) gas sensors is provided for a detailed comparison of SMO gas sensors with other gas sensors, especially for ammonia gas sensing.
Journal ArticleDOI
Temperature dependence of Raman scattering in ZnO
Ramón Cuscó,Esther Alarcon-Llado,Jordi Ibáñez,Luis Artús,Juan Jiménez,Buguo Wang,Michael J. Callahan +6 more
TL;DR: In this paper, a Raman scattering study of wurtzite was carried out over a temperature range from 80 to 750°C, where the second-order Raman features were interpreted in the light of recent ab initio phonon density of states calculations.
Journal ArticleDOI
Wide-bandgap semiconductor ultraviolet photodetectors
TL;DR: In this paper, a general review of the advances in widebandgap semiconductor photodetectors is presented, including SiC, diamond, III-nitrides and ZnS.