An open-framework bimetallic chalcogenide structure K3Rb3Zn4Sn3Se13 built on a unique [Zn49Sn3Se16] 12- cluster:: synthesis, crystal structure, ion exchange and optical properties

被引：32

作者：

Wu, M ^{[1
]}

Sul, WP ^{[1
]}

Jasutkar, N ^{[1
]}

Huang, XY ^{[1
]}

Li, J ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Chem & Chem Biol, Piscataway, NJ 08854 USA

来源：

MATERIALS RESEARCH BULLETIN | 2005年 / 40卷 / 01期

基金：

美国国家科学基金会;

关键词：

chalcogenides; semiconductors; chemical synthesis; x-ray diffraction; optical properties;

D O I：

10.1016/j.materresbull.2004.09.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single crystals of K3Rb3Zn4Sn3Se13 were synthesized by solvothermal method. The building block in this structure is a [Zn4Sn3Se16](12-) cluster which consists of four ZnSe4 and three SnSe4 tetrahedra connected through corner-sharing of Se atoms. The 3D network contains intersecting channels running parallel to the crystallographic [2 1 1], [1-1-1] and [12-1] directions. The disordered K+ and R+ cations reside in these channels. Ion exchange of Cs+ with disordered Rb+/K+ ions in the structure showed a partial replacement of 15.8%. Optical diffuse reflectance experiments were carried out and gave a sharp absorption edge at 2.6 eV. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：21 / 27

页数：7

共 24 条

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