Spectroscopic studies of thermal treatment effect on the composition and size of CdS1-xSex nanocrystals in borosilicate glass

被引：28

作者：

Azhniuk, Yu. M. ^{[1
]}

Lopushansky, V. V. ^{[1
]}

Gomonnai, An. ^{[1
]}

Yukhymchuk, V. O. ^{[2
]}

Turok, I. I. ^{[1
]}

Studenyak, Ya. I. ^{[3
]}

机构：

[1] Ukrainian Natl Acad Sci, Inst Phys Elekt, UA-88000 Uzhgorod, Ukraine

[2] Ukrainian Natl Acad Sci, Lashkaryov Inst Semiconductor Phys, UA-03028 Kiev, Ukraine

[3] Uzhgorod Natl Univ, UA-88000 Uzhgorod, Ukraine

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2008年 / 69卷 / 01期

关键词：

semiconductors; nanostructures; crystal growth; Raman spectroscopy; optical properties;

D O I：

10.1016/j.jpcs.2007.08.009

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effect of heat treatment parameters on the chemical composition and average size of CdS1-xSex nanocrystals obtained in borosilicate glass by diffusion-limited growth is studied by optical absorption and Raman scattering spectroscopy. An increase of selenium content from 0.75 to 0.83 in the nanocrystals with the heat treatment temperature and duration is observed. Three lowest-energy optical transitions in CdS1-xSex nanocrystals are assigned to corresponding electronic transitions based on the observed dependence of the confinement-related absorption maxima on the nanocrystal size. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：139 / 146

页数：8

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