Luminescence from colloidal 3C-SiC nanocrystals in different solvents

被引：77

作者：

Fan, JY ^{[1
]}

Wu, XL

Li, HX

Liu, HW

Siu, GG

Chu, PK

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China

[3] City Univ Hong Kong, Dept Phys & Math Phys, Kowloon, Hong Kong, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 04期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2168018

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have investigated the role of the solvents in the luminescence from colloidal 3C-SiC suspensions. By dispersing electrochemically etched polycrystalline 3C-SiC wafers in water, ethanol, or toluene, we have fabricated suspensions of 3C-SiC nanocrystals that exhibit intense photoluminescence. By taking into account the quantum confinement effect and observed size distributions of the 3C-SiC crystallites, a simple model is formulated to explain the photoluminescence spectra. Our results show that the colloidal 3C-SiC nanocrystals are robust and intense emitters that have good chemical stability and biocompatibility. They are thus useful in biotechnology and nano-optoelectronics applications. (c) 2006 American Institute of Physics.

引用

页码：1 / 3

页数：3

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