Phosphine-Initiated Cation Exchange for Precisely Tailoring Composition and Properties of Semiconductor Nanostructures: Old Concept, New Applications

被引：70

作者：

Gui, Jing ^{[1
]}

Ji, Muwei ^{[1
]}

Liu, Jiajia ^{[1
]}

Xu, Meng ^{[1
]}

Zhang, Jiatao ^{[1
]}

Zhu, Hesun ^{[1
]}

机构：

[1] Beijing Inst Technol, Res Ctr Mat Sci, Sch Mat Sci & Engn, Beijing 100081, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 12期

基金：

高等学校博士学科点专项科研基金;

关键词：

cation exchange; core-shell nanocrystals; doped nanocrystals; phosphine ligands; semiconductors; QUANTUM DOTS; ION-EXCHANGE; COLLOIDAL NANOCRYSTALS; CADMIUM IONS; EMISSION; ABSORPTION; CLUSTERS; LIGANDS; BRIGHT; AMINE;

D O I：

10.1002/anie.201410053

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Phosphine-initiated cation exchange is a well-known inorganic chemistry reaction. In this work, different phosphines have been used to modulate the thermodynamic and kinetic parameters of the cation exchange reaction to synthesize complex semiconductor nanostructures. Besides preserving the original shape and size, phosphine-initiated cation exchange reactions show potential to precisely tune the crystallinity and composition of metal/semiconductor core-shell and doped nanocrystals. Furthermore, systematic studies on different phosphines and on the elementary reaction mechanisms have been performed.

引用

页码：3683 / 3687

页数：5

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