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Start Over Author "Eunhee Lim" Journal chemical communications
2 results on '"Eunhee Lim"'

1. Rhodanine dye-based small molecule acceptors for organic photovoltaic cells.

Author

Yujeong Kim, Chang Eun Song, Sang-Jin Moon, and Eunhee Lim

Subjects
DYES & dyeing, CARBAZOLE, CHEMICAL synthesis, AMINE synthesis, PHOTOVOLTAIC cells, FLUORENE, MOLECULAR orbitals
Abstract

The solution-processable small molecules based on carbazole or fluorene containing rhodanine dyes at both ends were synthesized and introduced as acceptors in organic photovoltaic cells. The high energy levels of their lowest unoccupied molecular orbitals resulted in a power conversion efficiency of 3.08% and an open circuit voltage of up to 1.03 V. [ABSTRACT FROM AUTHOR]

Published
2014
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2. Improved photovoltaic performance of P3HT:PCBM cells by addition of a low band-gap oligomerElectronic supplementary information (ESI) available: J–Vcurves for oligomers. See DOI: 10.1039/c0cc03962d.

Author

Eunhee Lim, Sungkoo Lee, and Kyeong K. Lee

Subjects
*PHOTOVOLTAIC power generation, *PERFORMANCE evaluation, *BAND gaps, *OLIGOMERS, *POLYTHIOPHENES, *HETEROJUNCTIONS, *ADSORPTION (Chemistry)
Abstract

The introduction of a low band-gap oligomer, oligo(benzo[1,2,5]thiadiazole-alt-3,3′′′-dihexylquaterthiophene) (BT4T) improved the performance of P3HT:PCBM bulk heterojunction organic photovoltaic cells due to improved UV-vis absorption and increased P3HT crystallinity. [ABSTRACT FROM AUTHOR]

Published
2010

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