CdSe quantum dot doped amine-functionalized Ormosils

被引：8
|
作者：
Seddon, AB [1 ]
Ou, DL [1 ]
机构：
[1] Univ Sheffield, Dept Mat Engn, Ctr Glass Res, Sheffield S1 3JD, S Yorkshire, England
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 1998年 / 13卷 / 1-3期
关键词：
sol-gel; ormosil; nanosized CdSe particles; quantum dots; optical nonlinearity; solid-state NMR; near-infrared spectroscopy; visible spectroscopy;
D O I：
10.1023/A:1008607730914
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanosized phenyl-capped CdSe particles (quantum dots) were isolated, after preparation inside reversed micelles present in AOT/H2O/heptane, and then successfully redispersed in amine-functionalized Ormosils derived from 3-aminopropyl(trimethoxy)silane (i.e., SA). Doped ormosils were formed into films of a few mu m thickness or small bulk samples. Host ormosils were structurally characterized by means of absorption spectroscopy, in the near- and mid-infrared ranges, and by Si-29 and C-13 solid-state nuclear magnetic resonance (NMR) spectroscopy. Doped ormosils were prepared and investigated via visible spectroscopy. The size of CdSe particles dispersed into the amino-ormosil hosts was calculated using the Effective Mass Model.
引用
收藏
页码：623 / 628
页数：6
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