Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/7698
Title: Device annealing effect in organic solar cells with blends of regioregular poly(3-hexylthiophene) and soluble fullerene
Authors: Choulis, Stelios A. 
Kim, Youngkyoo 
Nelson, Jenny K. 
Keywords: Solar cells
Films
Fullerenes
Heterojunctions
Organic solvents
Issue Date: 2005
Publisher: American Institute of Physics
Source: Applied physics letters, 2005, Volume 86, Issue 6, Pages 1-3
Abstract: Here we report enhanced efficiency bulk heterojunction organic solar cells using blend films of regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6) C61 (PCBM) that are subjected to a thermal annealing process. Blend films (P3HT:PCBM=1:1 by weight) were prepared using chlorobenzene and 1,2-dichlorobenzene in order to investigate the role of the solvent. Irrespective of the chosen solvent, the optimal device annealing temperature was found to be 140 °C. The highest power conversion efficiency, 3% under air mass 1.5 simulated solar illumination (100 mW cm2), was achieved by device annealing at 140 °C for 15 min using blend films prepared from chlorobenzene (2.3% for 1,2-dichlorobenzene)
URI: http://ktisis.cut.ac.cy/handle/10488/7698
ISSN: 0003-6951 (print)
1077-3118 (online)
DOI: 10.1063/1.1861123
Rights: © 2005 American Institute of Physics
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