CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Equilibrium Shape of Metal Nanoparticles under Reactive Gas Conditions
Zhu, BE; Meng, J; Gao, Y
2017
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume121Issue:10Pages:5629-5634
Subtype期刊论文
AbstractCharacterization and control of the shape of nanoparticles has a primary importance in nanoscience and nanotechnology since most of the physical and chemical properties are shape -dependent. In recent years, many in situ experimental observations have shown that metal nanoparticles can change their shapes and structures dramatically and reversibly under reactive gas conditions. However, despite the experimental achievements, the precise theoretical prediction of this kind of shape evolution is still a challenging and demanding task. In this work, using CO@Pt as a benchmark, we develop a multiscale structure reconstruction model to quantitatively illuminate the equilibrium geometries of metal nanoparticles at given temperature and gas pressure. This model perfectly reproduces the experimental results and explains some intriguing phenomena, including the CO-induced breakup of Pt surfaces. The shape evolution results of Pt, Pd, Cu, and Au nanoparticles under CO and NO gas environments are presented. Our study provides useful guidelines for improving and developing real catalysts.
DOI10.1021/acs.jpcc.6b13021
Indexed BySCI
Language英语
WOS IDWOS:000396969900020
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27315
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Zhu, BE,Meng, J,Gao, Y. Equilibrium Shape of Metal Nanoparticles under Reactive Gas Conditions[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2017,121(10):5629-5634.
APA Zhu, BE,Meng, J,&Gao, Y.(2017).Equilibrium Shape of Metal Nanoparticles under Reactive Gas Conditions.JOURNAL OF PHYSICAL CHEMISTRY C,121(10),5629-5634.
MLA Zhu, BE,et al."Equilibrium Shape of Metal Nanoparticles under Reactive Gas Conditions".JOURNAL OF PHYSICAL CHEMISTRY C 121.10(2017):5629-5634.
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