Formation of FeVO4/ZnO n–n heterojunction with enhanced sensing properties for ethanol
文献类型：期刊论文
| 作者 | Ou, Yucheng4; Zhu, Runliang3 ; Peng, Jianhong4; Gao, Jianzhi4; Zhang, Fuchun2; Hojamberdiev, Mirabbos1; Zhu, Gangqiang4
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| 刊名 | Applied Nanoscience
 |
| 出版日期 | 2023 |
| 卷号 | 13期号:1页码:465-474 |
| ISSN号 | 2190-5509 |
| DOI | 10.1007/s13204-021-01794-8 |
| 英文摘要 | The n–n heterojunction is formed at the interfaces of FeVO4 and ZnO under hydrothermal conditions to increase the mobility of electrons and to decrease the barrier of oxygen activation. The results from X-ray powder diffraction and X-ray photoelectron spectroscopy analyses confirm the co-existence of the FeVO4 and ZnO phases in the composite. The formation of n–n heterojunction and electron transfer behavior are explored by applying electrochemical techniques and corresponding simulation calculation. The FeVO4/ZnO (Fe:Zn = 1:0.5) sensor shows a high response value of Sg = 42 at 300?°C, excellent selectivity, fast response, stable, and superior sensitivity for ethanol detection. The effect of the formed n–n heterojunction on enhancing the gas sensitivity for detecting ethanol is discussed by electron depletion theory. When the gas atmosphere is changed from air to ethanol gas, the depletion layer on the sensor surface is also changed significantly, altering the macroscopic resistance of the material. This work offers a new mechanistic understanding of the role of n–n heterojunction in detecting target gases and paves the way for designing excellent selectivity, fast response, and stable sensors based on n–n heterojunctions. ? 2021, King Abdulaziz City for Science and Technology. |
| WOS研究方向 | Nanoscience & Nanotechnology |
| 语种 | 英语 |
| WOS记录号 | WOS:000631825400001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/80267]  |
| 专题 | 中国科学院广州地球化学研究所 |
| 作者单位 | 1.Institut Für Chemie, Technische Universit?t Berlin, Stra?e des 17. Juni 135, Berlin; 10623, Germany 2.College of Physics and Electronic Information, Yan’an University, Yan’an; 716000, China 3.Guangdong Provincial Key Laboratory of Mineral Physics and Material Research and Development, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou; 510640, China 4.School of Physics and Information Technology, Shaanxi Normal University, Xi’an; 710062, China |
| 推荐引用方式 GB/T 7714 | Ou, Yucheng,Zhu, Runliang,Peng, Jianhong,et al. Formation of FeVO4/ZnO n–n heterojunction with enhanced sensing properties for ethanol[J]. Applied Nanoscience,2023,13(1):465-474. |
| APA | Ou, Yucheng.,Zhu, Runliang.,Peng, Jianhong.,Gao, Jianzhi.,Zhang, Fuchun.,...&Zhu, Gangqiang.(2023).Formation of FeVO4/ZnO n–n heterojunction with enhanced sensing properties for ethanol.Applied Nanoscience,13(1),465-474. |
| MLA | Ou, Yucheng,et al."Formation of FeVO4/ZnO n–n heterojunction with enhanced sensing properties for ethanol".Applied Nanoscience 13.1(2023):465-474. |
入库方式： OAI收割
来源：广州地球化学研究所
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