Preparation of PbS and PbSe nanocrystals by a new solvothermal route

被引：36

作者：

Gautam, UK ^{[1
]}

Seshadri, R ^{[1
]}

机构：

[1] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India

来源：

MATERIALS RESEARCH BULLETIN | 2004年 / 39卷 / 4-5期

关键词：

nanostructures; semiconductors; electron microscopy; X-ray diffraction; crystal structure;

D O I：

10.1016/j.materresbull.2003.12.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new solvothermal route for the preparation of nanocrystals of PbS and PbSe, involving the reaction of lead stearate with sulfur or selenium and tetralin (tetrahydronaphthalene) in toluene solvent is described. Tetralin in the presence of S/Se gives H2S/H2Se and gets aromatized to naphthalene. The nanocrystals have been characterized by powder X-ray diffraction and electron microscopy. Use of surfactant Triton X-100 (polyoxyethylene(10)isooctylphenyl ether) resulted in both nanorods and nanoparticles of PbSe. Capping by citric acid and malonic acid reduce the particle sizes to less than 10 nm. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：669 / 676

页数：8

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