Performance of bulk heterojunction photovoltaic devices prepared by airbrush spray deposition

R. Green*, A. Morfa, A. J. Ferguson, N. Kopidakis, G. Rumbles, S. E. Shaheen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

143 Citations (Scopus)


We have used airbrush spray deposition to fabricate organic photovoltaic devices with an active layer composed of a blend of poly(3-hexylthiophene) and [6,6]-phenyl- C61 butyric acid methyl ester. Working devices were prepared in ambient conditions from a variety of common organic solvents; active layers prepared from chlorobenzene exhibit improved homogeneity, resulting in narrower distributions of the relevant device parameters. Further studies on devices prepared from chlorobenzene showed that annealing at 120 °C for 10 min resulted in optimum performance, and that an active layer thickness of 150 nm resulted in a maximum efficiency of 2.35% under AM1.5 illumination at 1 sun.

Original languageEnglish
Article number033301
Pages (from-to)033301-1-033301-3
Number of pages3
JournalApplied Physics Letters
Issue number3
Publication statusPublished - 2008
Externally publishedYes


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