화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2011년 가을 (10/06 ~ 10/07, 김대중 컨벤션센터)
권호 36권 2호
발표분야 유기전자소자용 소재 및 소자(분자전자소재 부문위원회)
제목 Growth of Highly Symmetrically Aligned ZnO Nanostructures and Their Application to Dye Sensitized Solar Cells**
초록 In this presentation, we introduced a method to fabricate vertically aligned ZnO nanostructures and reported improved electrical and optical properties of the dye sensitized solar cells. This nano-scale hole photoresist structures were used as templates for the hydrothermal growth of vertically aligned ZnO nanostructures. Flexible DSSCs with photoanodes composed of periodically aligned ZnO NRs were fabricated with a 3.15 % and the device performance was well maintained after 500 bending cycles. The best effeiciency of 11.12 % was achieved with a photoanode incorporating an aligned ZnO hemisphere array which acted as light scattering centers as well as direct electron transport medium to anode (JSC of 21.42 mAcm-2, VOC of 824 mV and FF of 63 % under AM=1.5 global condition). ** This work was funded by the the Basic Science Research Program (No. R15-2008-006-03002-0) and the Practical R&D grant funded by the GIST-GTI.
저자 정건영
소속 광주과학기술원
키워드 ZnO; Dye sensitized solar cell; nanostructures
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