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스퍼터링 증착한 Pt 전극을 가지는 염료감응형 태양전지의 셀 폭 변화에 따른 전기적 특성 연구
宋健珠(Keun-Ju Song),崔津英(Jin-young Choi),弘知兌(Ji-Tae Hong),金美廷(Mi-Jeoung Kim),徐鉉雄(Hyun-Woong Se),李東胤(Dong-Yoon Lee),金熙濟(Hee-Je Kim) 대한전기학회 2007 전기학회논문지 Vol.56 No.5
Recently, a study on the energy conversion efficiency and up sizing technology of dye-sensitized solar cell (DSC) which is focused in considering a new alternative solar cell has been executed. But consideration for the cell characteristics about an internal electronic flow on a large-scaled DSC has not been carried out yet. In this study, we have chosen a solar cell width as a variable of a large-scaled DSCs and confirmed electric characteristics of an individual cell. First, Pt counter electrode surface of DSC is deposited by RF sputtering methode and the electrochemical properties of Pt electrodes was investigated by cyclic -voltammetry. With the Pt electrode, we fabricated DSC samples of different width. As a result, the higher the internal resistance of DSC becomes, the wider the width gets. Internal resistance makes it difficult to collect photoelectron generated from dye. Ultimately up sizing DSC causes the increase of internal resistance and then has a bad effect on the cell characteristics.