成核
纳米晶
蚀刻(微加工)
结晶度
材料科学
贵金属
纳米技术
氧化磷酸化
金属
离子键合
形态学(生物学)
化学工程
冶金
化学
离子
复合材料
图层(电子)
有机化学
工程类
生物
生物化学
遗传学
作者
Yiqun Zheng,Jie Zeng,Aleksey Ruditskiy,Maochang Liu,Younan Xia
摘要
Oxidative etching plays an important role in the synthesis of metal nanocrystals. This is because the zerovalent species, including atoms, clusters, and nanocrystallites, can all be oxidized back to the ionic form and thus altering the types and distributions of products formed in both the nucleation and growth steps. In the first part of this review, we discuss the critical components needed for oxidative etching, as well as methods for enabling or preventing oxidative etching in a synthesis. We then present and analyze a number of interesting experimental observations caused by oxidative etching. In the following sections, we highlight four major applications of oxidative etching in the synthesis of metal nanocrystals, with regards to experimental controls over the crystallinity, size, shape, morphology, and growth kinetics.
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