Preparation of highly emissive, thermally stable, UV-cured polysilsesquioxane/ZnO nanoparticle composites

Title
Preparation of highly emissive, thermally stable, UV-cured polysilsesquioxane/ZnO nanoparticle composites
Authors
전현열알버트 이성수김현지조소혜백경열황승상
Keywords
blends; composites; nanoparticles; nanowires and nanocrystals; optical properties; thermal properties
Issue Date
2015-09
Publisher
Journal of applied polymer science
Citation
VOL 132, NO 33
Abstract
A high molecular weight polysilsesquioxane (LPMSQ)/ZnO nanocomposite was prepared by blending a methacryl-substituted polysilsesquioxane and PMMA-coated ZnO nanoparticle (NP) followed by UV-curing process. These LPMSQ/ZnO nano-composites gave high thermal and mechanical stabilities originated from the rigid ladder structured siloxane backbone of LPMSQ. The polysilsesquioxane and surface-modified ZnO nanoparticles showed excellent compatibility between MMA groups in LPMSQ- and PMMA-capped ZnO nanoparticles to give well-dispersed LPMSQ/ZnO nanocomposites. Mechanically pliant and flexible free standing films were obtained, and the photo and optical properties of these hybrid nanocomposites were examined. The high photoluminescent properties were maintained even after severe thermal treatments exceeding 400 degrees C
URI
http://pubs.kist.re.kr/handle/201004/51017
ISSN
00218995
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KIST Publication > Article
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