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Ju Min Lee, Byoung-Hwa Kwon, Hyung Il Park, Hoyeon Kim, Min Gyu Kim, Ji Sun Park, E Su Kim, Seunghyup Yoo, Duk Young Jeon and Sang Ouk Kim Exciton Dissociation and Charge-Transport Enhancement in Organic Solar Cells with Quantum-Dot/N-doped CNT Hybrid Nanomaterials Advanced Materials 25

Version of Record online: 14 JAN 2013 | DOI: 10.1002/adma.201204454

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The incorporation of InP quantum-dot/N-doped multiwalled carbon nanotube (QD:NCNT) nanohybrids in the active layer of poly(3-hexylthiophene)/indene−C60 bisadduct (P3HT/ICBA) bulk-heterojuction solar cells enhances VOC and JSC. The QDs encourage exciton dissociation by promoting electron transfer, while the NCNTs enhance the transport of the separated electrons and eventual charge collection. Such a synergistic effect successfully improves the power conversion efficiency (PCE) from 4.68% (reference cells) to 6.11%.

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