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
收藏
页码：457 / 460
页数：4
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