Ammonia-free chemical bath deposition of CdS films:: tailoring the nanocrystal sizes

被引：42
|
作者：
Nemec, P
Nemec, I
Nahálková, P
Knízek, K
Maly, P
机构：
[1] Charles Univ, Fac Math & Phys, CR-12116 Prague 2, Czech Republic
[2] Charles Univ, Fac Sci, Prague 12840 2, Czech Republic
[3] Acad Sci Czech Republ, Inst Phys, Prague 16253 6, Czech Republic
来源：
JOURNAL OF CRYSTAL GROWTH | 2002年 / 240卷 / 3-4期
关键词：
crystal structure; chemical bath deposition; semiconductor nanocrystals;
D O I：
10.1016/S0022-0248(02)00930-2
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We report on the control of nanocrystal sizes in US nanocrystalline films prepared by ammonia-free chemical bath deposition technique. We studied the effect of deposition duration. bath temperature during deposition. and post-preparation heat treatment. Nanocrystals (NCs) with radii from 2.6 nm to more than 10 nm were prepared and characterised by transmission electron microscopy, X-ray diffraction, and optical photoluminescence and absorption spectroscopy. We observed cubic to hexagonal phase transition for large NCs prepared by the heat treatment. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：484 / 488
页数：5
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