Formation of lead sulfide nanoparticles via Langmuir-Blodgett technique

被引：10

作者：

Xu, LM ^{[1
]}

Chen, X ^{[1
]}

Wang, LY ^{[1
]}

Sui, ZM ^{[1
]}

Zhao, JK ^{[1
]}

Zhu, BL ^{[1
]}

机构：

[1] Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2005年 / 257-58卷

关键词：

lead sulfide; nanoparticles; LB films; perovskite;

D O I：

10.1016/j.colsurfa.2004.10.038

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Perovskite type thin films are constructed on hydrophilic quartz substrates from monolayers of long chain alkyl ammonium chloride on the subphase containing a mixture of Pb2+ and CH3NH3+ ions via Langmuir-Blodgett (LB) technique. The deposited film shows typical PbCl-based layered perovskite exciton absorption at about 331 nm. Lead sulfide nanoparticles are formed by reacting these films with H2S gas. UV-visible absorption spectroscopy and transmission electron microscopy are used respectively to observe the formation and morphology of the nanoparticles with sizes in the range of 10-30 nm. Obtained results indicate an effective way to prepare functional inorganic nanoparticles from regular layered structures. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：457 / 460

页数：4

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