HRTEM, Raman and optical study of CdS1-xSex nanocrystals embedded in silicate glass

被引：5
|
作者：
Bellani, V
Migliori, A
Petrosyan, S
Grigorian, L
Petrosyan, P
机构：
[1] Univ Pavia, INFM, I-27100 Pavia, Italy
[2] Univ Pavia, Dipartimento Fis A Volta, I-27100 Pavia, Italy
[3] CNR, IMM, Sez Bologna, I-40129 Bologna, Italy
[4] Yerevan State Univ, Dept Phys, Yerevan 375025, Armenia
[5] Russian Armenian State Univ, Yerevan 375051, Armenia
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2004年 / 201卷 / 13期
关键词：
D O I：
10.1002/pssa.200406862
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We studied CdS1-xSex nanocrystals embedded in a silicate glass by means of complementary techniques like high resolution transmission electron microscopy (HRTEM), micro-Raman spectroscopy and optical transmission and reflectivity. Transmission Electron Microscopy gives complete information on crystallization and size distribution of the nanocrystals wile Raman scattering is particularly useful in the determination of the composition of the nanocrystals for low-concentration or small-crystallite size composite. Having the size distribution and composition of the nanocrystals we have explained the transmission spectra of the studied samples. Optical transmission spectra evidence the quantization of the electronic states of the nanoparticles system with a size distribution described by a Gaussian function. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3023 / 3030
页数：8
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