人工晶体学报2008，Vol.37Issue(4)：931-935,5.
Au/CdS-核/壳结构纳米复合颗粒的制备与表征
Synthesis and Characterization of Au/CdS-core/shell Nanocomposite by Electrostatic Interaction
摘要
Abstract
Composite nanoparticles of gold and CdS with core/shell geometry have been synthesized by.electrostatic interaction and characterized in this paper. As is shown in the TEM and the size distributiondiagram, the average diameters of Au, CdS and Au/CdS nanoparticles are 6 nm, 8 nm and 19 nmrespectively, and Au/CdS nanoparticles exhibit relatively narrow size distribution and fine dispersity.Like CdS nanoparticles, this kind of nanocomposites also show two peak positions at 485 nm and 543 nm.As we can see from the UV-Vis absorption spectra, blue shift appears on the absorption onset of Au/CdScompared with that of CdS nanoparticles(470 nm), and the SPR peak disappears at about 552 nm of Auin the absorption spectra of Au/CdS nanoparticles.关键词
核/壳结构/带间发光/缺陷发光/蓝移Key words
core/shell structure/interband luminescence/defect luminescence/blue shift分类
通用工业技术引用本文复制引用
彭子飞,罗彩芹,余军保,徐铸,杜燕云..Au/CdS-核/壳结构纳米复合颗粒的制备与表征[J].人工晶体学报,2008,37(4):931-935,5.基金项目
Project supported by Shanghai Leading Academic Discipline Project ( No. T0402) （ No. T0402）
