Pure and Sn-, Ga- and Mn-doped ZnO gas sensors working at different temperatures for formaldehyde, humidity, NH3, toluene and CO
文献类型:期刊论文
作者 | Han, Ning1,2; Liu, Haidi1; Wu, Xiaofeng1; Li, Dongyan1,2; Chai, Linyu1,2; Chen, Yunfa1![]() |
刊名 | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
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出版日期 | 2011-08-01 |
卷号 | 104期号:2页码:627-633 |
关键词 | Gas sensor Doped ZnO Crystal defects Work temperature Thermoluminescence |
ISSN号 | 0947-8396 |
通讯作者 | Han, N |
英文摘要 | ZnO and Sn-, Ga- and Mn-doped ZnO nanoparticles were prepared by a coprecipitation method, and characterized by scanning electron microscopy (SEM), energy dispersive spectra (EDS), X-ray diffraction (XRD) and Raman spectra. The gas sensing properties were studied using formaldehyde, relative humidity, NH3, toluene and CO as the probes. The results show that all particles have wurtzite ZnO phase, though Sn-ZnO has a relatively smaller particle (and crystallite) size than the other three samples. Gas sensing property tests reveal that the temperature where the gas sensing maximum is gained (T (M)) is changed by different dopants: Sn-ZnO and Mn-ZnO have relatively lower T (M) (similar to 100A degrees C lower) compared with that of pure ZnO, while Ga-ZnO has the same T (M) as pure ZnO except in CO sensing. Thermoluminescence (TL) spectra were used to investigate the mechanism of T (M) change. The peak positions of Ga-ZnO and ZnO are the same at 300-350A degrees C, while that of Sn-ZnO shifts to 250-300A degrees C, which might contribute to the same T (M) of Ga-ZnO and pure ZnO and relatively lower T (M) of Sn-ZnO. In the case of Mn-ZnO, the luminescence emission is evidently limited by its black color. |
WOS标题词 | Science & Technology ; Technology ; Physical Sciences |
类目[WOS] | Materials Science, Multidisciplinary ; Physics, Applied |
研究领域[WOS] | Materials Science ; Physics |
关键词[WOS] | SENSING PROPERTY ; ZINC OXIDE ; CARBON-MONOXIDE ; THIN-FILMS ; PHOTOLUMINESCENCE ; OXIDATION ; THERMOLUMINESCENCE ; NANOSTRUCTURES ; NANOPARTICLES ; SENSITIVITY |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000292742300019 |
公开日期 | 2013-11-01 |
版本 | 出版稿 |
源URL | [http://ir.ipe.ac.cn/handle/122111/4695] ![]() |
专题 | 过程工程研究所_多相复杂系统国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Han, Ning,Liu, Haidi,Wu, Xiaofeng,et al. Pure and Sn-, Ga- and Mn-doped ZnO gas sensors working at different temperatures for formaldehyde, humidity, NH3, toluene and CO[J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,2011,104(2):627-633. |
APA | Han, Ning,Liu, Haidi,Wu, Xiaofeng,Li, Dongyan,Chai, Linyu,&Chen, Yunfa.(2011).Pure and Sn-, Ga- and Mn-doped ZnO gas sensors working at different temperatures for formaldehyde, humidity, NH3, toluene and CO.APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,104(2),627-633. |
MLA | Han, Ning,et al."Pure and Sn-, Ga- and Mn-doped ZnO gas sensors working at different temperatures for formaldehyde, humidity, NH3, toluene and CO".APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 104.2(2011):627-633. |
入库方式: OAI收割
来源:过程工程研究所
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