Controllable Fabrication of PdO-PdAu Ternary Hollow Shells: Synergistic Acceleration of H-2-Sensing Speed via Morphology Regulation and Electronic Structure Modulation
文献类型：期刊论文
| 作者 | Li, Qian1; Yang, Shuang1; Lu, Xingyu2,3; Wang, Tieqiang1; Zhang, Xuemin1; Fu, Yu1; Qi, Wei2,3 |
| 刊名 | SMALL
 |
| 出版日期 | 2022-02-25 |
| 页码 | 10 |
| 关键词 | electronic states hydrogen diffusion barriers palladium ternary hollow shells ultrafast H (2) sensors |
| ISSN号 | 1613-6810 |
| DOI | 10.1002/smll.202106874 |
| 通讯作者 | Zhang, Xuemin(zhangxuemin@mail.neu.edu.cn) ; Qi, Wei(wqi@imr.ac.cn) |
| 英文摘要 | Designing ultrafast H-2 sensors is of particular importance for practical applications of hydrogen energy but still quite challenging. Herein, PdO decorated PdAu ternary hollow shells (PdO-PdAu HSs) exhibiting an ultrafast response of approximate to 0.9 s to 1% H-2 in air at room temperature are presented. PdO-PdAu HSs are fabricated by calcinating PdAu bimetallic HSs in air to form PdO-Au binary HSs, which are then partially reduced by NaBH4 solution, forming PdO-PdAu HSs. This ternary hybrid material takes advantage of multiple aspects to synergistically accelerate the sensing speed. The HS morphology promises high gas accessibility and high surface area for H-2 adsorption, and decoration of Au and PdO alters the electronic state of Pd and reduces the energy barrier for hydrogen diffusing from the surface site of Pd into the subsurface site. The content of Au and PdO in the ternary HSs can be simply tuned, which offers the possibility to optimize their promotion effects to reach the best performance. The proposed fabrication strategy sheds light on the rational design of ultrafast Pd-based H-2 sensors by controlling the sensor structure and engineering the electronic state of active species. |
| 资助项目 | National Natural Science Foundation of China[22175031] ; National Natural Science Foundation of China[22072163] ; National Natural Science Foundation of China[21761132010] ; National Natural Science Foundation of China[91645114] ; Natural Science Foundation of Liaoning Province of China[2020-YQ-02] ; Fundamental Research Funds for the Central Universities[N2105010] ; Open Project of State Key Laboratory of Supramolecular Structure and Materials[sklssm2021035] |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000761116600001 |
| 出版者 | WILEY-V C H VERLAG GMBH |
| 资助机构 | National Natural Science Foundation of China ; Natural Science Foundation of Liaoning Province of China ; Fundamental Research Funds for the Central Universities ; Open Project of State Key Laboratory of Supramolecular Structure and Materials |
| 源URL | [http://ir.imr.ac.cn/handle/321006/173378]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Zhang, Xuemin; Qi, Wei |
| 作者单位 | 1.Northeastern Univ, Coll Sci, Dept Chem, Shenyang 110819, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Qian,Yang, Shuang,Lu, Xingyu,et al. Controllable Fabrication of PdO-PdAu Ternary Hollow Shells: Synergistic Acceleration of H-2-Sensing Speed via Morphology Regulation and Electronic Structure Modulation[J]. SMALL,2022:10. |
| APA | Li, Qian.,Yang, Shuang.,Lu, Xingyu.,Wang, Tieqiang.,Zhang, Xuemin.,...&Qi, Wei.(2022).Controllable Fabrication of PdO-PdAu Ternary Hollow Shells: Synergistic Acceleration of H-2-Sensing Speed via Morphology Regulation and Electronic Structure Modulation.SMALL,10. |
| MLA | Li, Qian,et al."Controllable Fabrication of PdO-PdAu Ternary Hollow Shells: Synergistic Acceleration of H-2-Sensing Speed via Morphology Regulation and Electronic Structure Modulation".SMALL (2022):10. |
入库方式： OAI收割
来源：金属研究所
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