P-n junction organic photovoltaics fabricated by all solution processing

Zhang, X., Liao, K. S., Yambem, S. D., Alley, N. J., & Curran, S. A. (2012) P-n junction organic photovoltaics fabricated by all solution processing. Synthetic Metals, 161(23-24), pp. 2798-2802.

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We have prepared p-n junction organic photovoltaic cells using an all solution processing method with poly(3-hexylthiophene) (P3HT) as the donor and phenyl-C 61-butyric acid methyl ester (PCBM) as the acceptor. Interdigitated donor/acceptor interface morphology was observed in the device processed with the lowest boiling point solvent for PCBM used in this study. The influences of different solvents on donor/acceptor morphology and respective device performance were investigated simultaneously. The best device obtained had characteristically rough interface morphology with a peak to valley value ∼15 nm. The device displayed a power conversion efficiency of 1.78%, an open circuit voltage (V oc) 0.44 V, a short circuit current density (J sc) 9.4 mA/cm 2 and a fill factor 43%.

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ID Code: 86733
Item Type: Journal Article
Refereed: Yes
Keywords: Organic photovoltaic, p-n junction solar cell, Solution processing, Device performance, Different solvents, Donor/acceptor interface, Fill factor, Methyl esters, Organic photovoltaic cells, Organic photovoltaics, P-n junction, Peak to valley value, Poly-3-hexylthiophene, Power conversion efficiencies, Rough interfaces, Butyric acid, Conversion efficiency, Fatty acids, Morphology, Open circuit voltage, Photovoltaic cells, Photovoltaic effects, Semiconductor junctions, Processing
DOI: 10.1016/j.synthmet.2011.10.022
ISSN: 03796779 (ISSN)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: © 2011 Elsevier B.V.
Deposited On: 20 Aug 2015 04:25
Last Modified: 21 Aug 2015 04:24

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