화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.11, No.3, 133-145, June, 2003
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Lanthanide-Cored Supramolecular Systems with Highly Efficient Light-Harvesting Dendritic Arrays towards Tomorrow’s Information Technology
Hwan Kyu Kim†, Soo Gyun Roh, Kyong-Soo Hong, Jae-Won Ka, Nam Seob Baek, Jae Buem Oh, Min Kook Nah, Yun Hui Cha, and Jin Ko
  • Center for Smart Light-Harvesting Materials and Department of Polymer Science & Engineering, Hannam University, 133 Ojeung-dong, Daeduck-gu, Daejeon 306-791, Korea
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We have developed novel lanthanide-cored supramolecular systems with highly efficient light-harvesting dendritic arrays for integrated planar waveguide-typed amplifiers. Er(3+) ions were encapsulated by the supramolecular ligands, such as porphyrins and macrobicyclics. The supramolecular ligands have been designed and synthesized to provide enough coordination sites for the formation of stable Er(III)-chelated complexes. For getting a higher optical amplification gain, also, the energy levels of the supramolecular ligands were tailored to maintain the effective energy transfer process from supramolecular ligands to erbium(III) ions. Furthermore, to maximize the light-harvesting effect, new aryl ether-functionalized dendrons as photon antennas have been incorporated into lanthanide-cored supramolecular systems. In this paper, molecular design, synthesis and luminescent properties of novel lanthanide-cored integrated supramolecular systems with highly efficient light-harvesting dendritic arrays will be discussed.
Keywords:lanthanide-cored supramolecular systems;light-harvesting dendritic arrays;optical amplification gain;energy transfer process;new aryl ether-typed dendrons;photon antennas
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