A γ-irradiation reduction route to nanocrystalline CdE (E = Se, Te) at room temperature

被引：29

作者：

Yang, Q ^{[1
]}

Tang, KB

Wang, F

Wang, CR

Qian, YT

机构：

[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Anhui, Peoples R China

来源：

MATERIALS LETTERS | 2003年 / 57卷 / 22-23期

基金：

中国国家自然科学基金;

关键词：

CdSe; CdTe; gamma-irradiation; nanocrystals;

D O I：

10.1016/S0167-577X(03)00117-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanocrystalline CdE (E = Se, Te) has been successfully synthesized by employing chalcogenites (Na2SeO3 and K2TeO3) as chalcogen sources via gamma-irradiation route in the presence of ammonia at room temperature. In the procedures, SeO32- and TeO32- anions were gradually reduced to release Se2- and Te2- in the irradiation field, and then the reduced Se2- or Te2- was combined with Cd2+ ions to produce CdE. The final products were characterized by powder X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：3508 / 3512

页数：5

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