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Citation: Li Dong-Sheng, Lu ng-Xuan. Synthesis of Conductive Polymer/Semiconductor Nanocomposite Films by Layerbylayer Assembly Techniques[J]. Acta Physico-Chimica Sinica, ;2001, 17(03): 252-256. doi: 10.3866/PKU.WHXB20010314 shu

Synthesis of Conductive Polymer/Semiconductor Nanocomposite Films by Layerbylayer Assembly Techniques

1.
State Key Laboratory for Oxo Synthesis ＆ Selective Oxidation,Lanzhou Institute of Chemical Physics,Chinese Academy of Science, Lanzhou　730000

Received Date: 6 June 2000
Available Online: 15 March 2001

Using layerbylayer selfassembly technique,we have successfully c onstructed nanostructured composite films of conjugated polymer (sulfonic acid r ing substituted polyaniline, SPAn)/ semiconductor nanoparticles(QCdS).The proc esses synthesis have been studied by UVVis, contact angle measurement, XPS and AFM techniques.The results indicated that the selfassembly processes were dep endent on the pH of the solution of each component and the doping time.It has be en found that the roughness of the assembled nanocomposite films increases as the layer number increases.The main reason can be attributed to the generation o f adsorption defects from partially adsorbed film surface in film fabrication pr ocesses.
- Layer-by-layer self-assembly;Nanocomposite films;Preparation
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