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광전극 두께와 표면적 변형에 따른 DSSC의 효율 특성
권성열,양욱,주택원,Kwon, Sung-Yeol,Yang, Wook,Zhou, Ze-Yuan 한국전기전자재료학회 2014 전기전자재료학회논문지 Vol.27 No.2
Photo electrode is an important component for DSSC. DSSCs electrical characteristics and efficiencies fabricated with different $TiO_2$ photo electrodes thickness and modified phoro electrode surface area were studied. $11{\mu}m$ $TiO_2$ photo electrode shows a 4.956% efficiency. The highest short circuit current density was a $9.949mA/cm^2$. Efficiencies and short circuit current density increased as tape casting thickness decreased. Modified surface area of the photo electrode by needle stamp processing were studied. 200 times needle stamp processing on photo electrodes shows a highest 5.168% efficiency. Also the short circuit current density was a $10.261mA/cm^2$.