Assessing the Effect of the Electron-Beam Irradiation on Pd/Ga(2)O(3)Catalyst under Ambient Pressure
文献类型：期刊论文
| 作者 | Wang, Yongzhao1,2; Niu, Yiming1,2; Gao, Tongtong1; Liu, Siyang1; Zhang, Bingsen1,2 |
| 刊名 | CHEMCATCHEM
 |
| 出版日期 | 2020-09-02 |
| 页码 | 6 |
| 关键词 | in-situ transmission electron microscopy Pd Ga2O3 electron-beam irradiation damage ambient pressure metal-support interaction |
| ISSN号 | 1867-3880 |
| DOI | 10.1002/cctc.202000699 |
| 通讯作者 | Zhang, Bingsen(bszhang@imr.ac.cn) |
| 英文摘要 | Introducing atmosphere in transmission electron microscope enables to directly observe the structural features of catalyst under working conditions. It offers the possibility to study the microstructural evolution and correlate real structures with catalytic properties at nano- or atomic-scale during catalysis. However, the damages to catalyst derived from the high energy electron-beam irradiation cannot be ignored and may lead to ambiguous conclusions, as the interaction between reactive gas molecules and active structures is only desired. Herein, the alpha-Ga(2)O(3)supported Pd catalyst was selected as a model to evaluate the potential effect of electron-beam on the surface and interface structures, which directly affect the catalytic performance, at varied atmospheres, elevated temperatures and increased electron dose rate in ambient pressure. The results indicate that the supported Pd nanoparticles could be encapsulated by GaO(x)layer when the imaging electron dose rate is higher than 100 e/angstrom(2)s under reduction and oxidizing atmosphere. Either increasing the electron dose rate or elevating the temperature exacerbates the irradiation damage to alpha-Ga(2)O(3)support. This work was expected to evaluate the effect of electron dose rate to supported catalysts under chemical environments, and provide guidance for the investigation of in-situ transmission electron microscopy under ambient pressure. |
| 资助项目 | National Natural Science Foundation of China[21761132025] ; National Natural Science Foundation of China[21773269] ; National Natural Science Foundation of China[51932005] ; National Natural Science Foundation of China[91545119] ; LiaoNing Revitalization Talents Program[XLYC1807175] ; Joint Research Fund Liaoning Shenyang National Laboratory for Materials Science (SYNL)[20180510047] ; Research Fund of SYNL[L2019F38] |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| WOS记录号 | WOS:000564848000001 |
| 出版者 | WILEY-V C H VERLAG GMBH |
| 资助机构 | National Natural Science Foundation of China ; LiaoNing Revitalization Talents Program ; Joint Research Fund Liaoning Shenyang National Laboratory for Materials Science (SYNL) ; Research Fund of SYNL |
| 源URL | [http://ir.imr.ac.cn/handle/321006/140400]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Zhang, Bingsen |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Yongzhao,Niu, Yiming,Gao, Tongtong,et al. Assessing the Effect of the Electron-Beam Irradiation on Pd/Ga(2)O(3)Catalyst under Ambient Pressure[J]. CHEMCATCHEM,2020:6. |
| APA | Wang, Yongzhao,Niu, Yiming,Gao, Tongtong,Liu, Siyang,&Zhang, Bingsen.(2020).Assessing the Effect of the Electron-Beam Irradiation on Pd/Ga(2)O(3)Catalyst under Ambient Pressure.CHEMCATCHEM,6. |
| MLA | Wang, Yongzhao,et al."Assessing the Effect of the Electron-Beam Irradiation on Pd/Ga(2)O(3)Catalyst under Ambient Pressure".CHEMCATCHEM (2020):6. |
入库方式： OAI收割
来源：金属研究所
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