High-index faceted noble metal nanocrystals

Accounts of Chemical Research
Zewei QuanJiye Fang

Abstract

The formation of novel and complex structures with specific morphologies from nanocrystals via a direct assembly of atoms or ions remains challenging. In recent years, researchers have focused their attention on nanocrystals of noble metals and their controlled synthesis, characterization, and potential applications. Although the synthesis of various noble metal nanocrystals with different morphologies has been reported, most studies are limited to low-index facet-terminated nanocrystals. High-index facets, denoted by a set of Miller indices {hkl} with at least one index greater than unity, possess a high density of low-coordinated atoms, steps, edges, and kinks within these structures and serve as more active catalytic sites. With the potential for enhanced catalytic performance, researchers have used the insights from shape-controlled nanocrystal synthesis to construct noble metal nanocrystals bounded with high-index facets. Since the report of Pt tetrahexahedral nanocrystals, researchers have achieved significant progress and have prepared nanocrystals with various high-index facets. Because of the general order of surface energy for noble metals, high-index facets typically vanish faster in a crystal growth stage and are di...Continue Reading

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Citations

Dec 5, 2013·ACS Applied Materials & Interfaces·Changli LiJean-Jacques Delaunay
Mar 7, 2013·Accounts of Chemical Research·Nathan S PorterJiye Fang
Dec 18, 2013·Accounts of Chemical Research·Qin KuangLansun Zheng
Jan 26, 2016·Journal of the American Chemical Society·Dong Sheng HeYadong Li
Jan 23, 2016·ACS Nano·Qingfeng ZhangHui Wang
Sep 10, 2015·Journal of the American Chemical Society·Liang-Liang FengXiaoxin Zou
Aug 11, 2015·Journal of the American Chemical Society·Wenxin NiuXianmao Lu
Apr 12, 2017·ACS Applied Materials & Interfaces·Chi ChenJianjun Jiang
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Feb 25, 2017·Advanced Materials·Yucong YanHui Zhang
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Feb 7, 2017·Physical Chemistry Chemical Physics : PCCP·Yi PengShaowei Chen
Apr 21, 2016·Chemical Society Reviews·Lei ZhangJinlong Gong
Apr 19, 2016·Chemical Society Reviews·Qiaoli ChenZhaoxiong Xie

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