Highly stable inverted poly (3-hexylthiophene):methano-fullerene [6,6]-phenyl C71-butyric acid methyl ester bulk heterojunction solar cell with thin oxide nano particle layer using solution process |
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| Authors: | Yeon-Il Lee Jun-Ho Youn Mi-Sun Ryu Jungho Kim Hie-Tae Moon Jin Jang |
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| Institution: | 1. Department of Physics, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea;2. Advanced Display Research Center and Department of Information Display, Kyung Hee Univ., Dongdaemoon-gu, Seoul 130-701, Republic of Korea |
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| Abstract: | We have investigated the inverted poly (3-hexylthiophene):methano-fullerene 6,6]-phenyl C71-butyric acid methyl ester (P3HT:PC71BM) bulk heterojunction (IBHJ) solar cell with various n-type metal oxide nano particle layers on ITO and MoO3 anode buffer layer underneath Al. The IBHJ solar cell with a tin oxide nano particle layer shows the power conversion efficiency (PCE) of 3.1% and better stability compared to conventional BHJ solar cell. The PCE of this cell decreases by 3% after 2 months in ambient air while the other cells show more degradation. |
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