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|Title:||Device annealing effect in organic solar cells with blends of regioregular poly(3-hexylthiophene) and soluble fullerene||Authors:||Choulis, Stelios A.
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)
|DOI:||10.1063/1.1861123||Rights:||© 2005 American Institute of Physics||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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