Title: Highly efficient inverted rapid-drying blade-coated organic solar cells
Authors: Chang, Jung-Hao
Chen, Yi-Hong
Lin, Hao-Wu
Lin, Yu-Ting
Meng, Hsin-Fei
Chen, En-Chen
Institute of Physics
Keywords: Inverted organic solar cells;Blade coating;Bulk hetero-junction
Issue Date: 1-Apr-2012
Abstract: Efficient inverted bulk-heterojunction (BHJ) poly(3-hexylthiophene):[6,6]-phenyl C61 butyric acid methyl ester (P3HT:PCBM) organic solar cells fabricated by rapid-drying blade-coated were demonstrated. Optimized self-organization interpenetration networks and donor/acceptor domain sizes were obtained while maintaining the smooth surface morphology. By integrating with low-temperature-processed sol-gel ZnO electron extraction layer, power conversion efficiency (PCE) up to 4.4% under AM1.5G 1 sun illumination is achieved, compared to fast drying but low efficiency (1.2%) and high efficiency but with long-time solvent annealing treatment (4.3%) control cells deposited by spin coating in chlorobenzene (CB) and 1,2-dichlorobenzene (DCB) solution, respectively. The novel deposition technique reveals a promising process for highly efficient, high throughput, stable morphology organic solar cells fabrication. (c) 2012 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.orgel.2011.12.025
ISSN: 1566-1199
DOI: 10.1016/j.orgel.2011.12.025
Volume: 13
Issue: 4
Begin Page: 705
End Page: 709
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