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Silsesquioxane/Polystyrene Hybrid Materials via Charge Transfer Interactions  

Choi, Ji-Won (Department of Chemical Engineering, Kyung Hee University)
Chujo, Yoshiki (Department of Polymer Chemistry, School of Engineering, Kyoto University)
Publication Information
Polymer(Korea) / v.31, no.2, 2007 , pp. 136-140 More about this Journal
Abstract
Charge transfer interaction as a hybridization mechanism of silsesquioxane/polymer was tested using carbazole (electron donor) group and dinitrobenzene (electron acceptor) group. Hybridization test was conducted using films made from mixing/casting of poly (carbazole-styrene) (PS/D) and dimtrobenzyl silsesquioxane (Cube/A), and transparent hybrid films were successfully obtained under some conditions. $^1H-NMR$ of PS/D and Cube/A, and W absorption test of hybrid films showed that one acceptor and one donor can form one charge transfer complex when no silsesquioxane molecule was included in films, but transparent hybrids with no phase separation were obtained only at acceptor/donor ratios less than 0.7 : 1. These results also suggested that on average 4 charge transfer complexes form per one silsesquioxane.
Keywords
silsesquioxane; charge transfer; nanocomposite; hybrid material; carbazole;
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