화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.21, No.12, 1366-1371, December, 2013
DOI10.1007/s13233-013-1186-3  Export Citation
Deformation behavior of polymeric colloidal photonic crystals induced by UV irradiation
Mun Ho Kim†, Doo-Jin Byun, Si-Yong Song, Sei-Moon Shin, Su Kyoung Kwak, and Kil-Yeong Choi†
  • Reliability Assessment Center for Chemical Materials, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 305-600, Korea
E-mail:,
The deformation behavior of polymeric colloidal photonic crystals (CPCs) during UV irradiation was investigated. A CPC grown from a polystyrene (PS) colloidal suspension was prepared and exposed to UV light. The UV irradiation resulted in photochemical reactions that induced morphological changes in the surfaces of CPC, including deformations in the sizes, shapes, and packing structures of the PS particles. The crystal morphology evolution resulting from UV irradiation differed significantly from the photoaging behavior observed during exposure to a light source that mimicked natural sunlight. The structural deformations destroyed the optical properties (by deteriorating the photonic bandgap). The UV irradiation induced photooxidation processes that altered the composition of the polymer material surface.
Keywords:colloidal photonic crystal;photooxidation;photonic bandgap;PS latex;surface characterization
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