WO3-SnO2 nanosheet composites: Hydrothermal synthesis and gas sensing mechanism
文献类型：期刊论文
| 作者 | Yin, Mingli2,3; Yao, Yao2; Fan, Haibo2; Liu, Shengzhong1,2 |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2018-03-05 |
| 卷号 | 736页码:322-331 |
| 关键词 | Wo3 Sno2 Gas Sensor Sensing Mechanism Acetone |
| ISSN号 | 0925-8388 |
| DOI | 10.1016/j.jallcom.2017.11.185 |
| 文献子类 | Article |
| 英文摘要 | WO3-SnO2 nanosheet (NS) composites consisting of inner WO3 nanosheets surrounded by outer mixed phase SnO2 nanoparticles (NPs) were successfully synthesized by a simple two-step hydrothermal method. The density of SnO2 NPs on WO3 NSs can be controlled from sparse discrete state to complete shell structure by varying the amount of tin precursor. Apparent interface state density dependent gas sensing responses were observed for the WO3-SnO2 nanocomposites. The response of the WO3-SnO2 nanocomposites coated with complete SnO2 shell to 50 ppm acetone vapor is as high as 32.1, similar to 10 times higher than that of the pristine WO3 NS sensor, with a response time less than 2 s. The improvement in response and selectivity of the WO3-SnO2 nanocomposite sensors upon exposure to acetone molecules can be mainly attributed to the multifunctional interfaces between WO3 NSs and SnO2 NPs, exposed special facets of WO3 NSs, core-shell type nanostructures as well as the special physical and chemical properties of acetone molecules. (C) 2017 Elsevier B.V. All rights reserved. |
| WOS关键词 | ROOM-TEMPERATURE ; HETEROSTRUCTURE NANOFIBERS ; FAST-RESPONSE ; ZNO NANORODS ; SENSOR ; NANOPARTICLES ; PERFORMANCE ; NANOWIRES ; MORPHOLOGIES ; PARTICLES |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000418519600039 |
| 出版者 | ELSEVIER SCIENCE SA |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/168414]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 通讯作者 | Yin, Mingli; Liu, Shengzhong |
| 作者单位 | 1.Chinese Acad Sci, Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China 2.Shaanxi Normal Univ, Key Lab Appl Surface & Colloid Chem, Natl Minist Educ, Inst Adv Energy Mat,Sch Mat Sci & Engn, Xian 710062, Shaanxi, Peoples R China 3.Xian Technol Univ, Sch Sci, Xian 710032, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yin, Mingli,Yao, Yao,Fan, Haibo,et al. WO3-SnO2 nanosheet composites: Hydrothermal synthesis and gas sensing mechanism[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,736:322-331. |
| APA | Yin, Mingli,Yao, Yao,Fan, Haibo,&Liu, Shengzhong.(2018).WO3-SnO2 nanosheet composites: Hydrothermal synthesis and gas sensing mechanism.JOURNAL OF ALLOYS AND COMPOUNDS,736,322-331. |
| MLA | Yin, Mingli,et al."WO3-SnO2 nanosheet composites: Hydrothermal synthesis and gas sensing mechanism".JOURNAL OF ALLOYS AND COMPOUNDS 736(2018):322-331. |
入库方式： OAI收割
来源：大连化学物理研究所
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