Materials 2010, 3(11), 4915-4921; doi:10.3390/ma3114915
Article

Photovoltaic Properties in Interpenetrating Heterojunction Organic Solar Cells Utilizing MoO3 and ZnO Charge Transport Buffer Layers

Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
* Author to whom correspondence should be addressed.
Received: 19 October 2010; Accepted: 2 November 2010 / Published: 8 November 2010
(This article belongs to the Special Issue Solar Energy Materials)
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Abstract: Organic thin-film solar cells with a conducting polymer (CP)/fullerene (C60) interpenetrating heterojunction structure, fabricated by spin-coating a CP onto a C60 deposit thin film, have been investigated and demonstrated to have high efficiency. The photovoltaic properties of solar cells with a structure of indium-tin-oxide/C60/ poly(3-hexylthiophene) (PAT6)/Au have been improved by the insertion of molybdenum trioxide (VI) (MoO3) and zinc oxide charge transport buffer layers. The enhanced photovoltaic properties have been discussed, taking into consideration the ground-state charge transfer between PAT6 and MoO3 by measurement of the differential absorption spectra and the suppressed contact resistance at the interface between the organic and buffer layers.
Keywords: organic solar cells; interpenetrating heterojunction; buffer layers; molybdenum trioxide; zinc oxide

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MDPI and ACS Style

Hori, T.; Moritou, H.; Fukuoka, N.; Sakamoto, J.; Fujii, A.; Ozaki, M. Photovoltaic Properties in Interpenetrating Heterojunction Organic Solar Cells Utilizing MoO3 and ZnO Charge Transport Buffer Layers. Materials 2010, 3, 4915-4921.

AMA Style

Hori T, Moritou H, Fukuoka N, Sakamoto J, Fujii A, Ozaki M. Photovoltaic Properties in Interpenetrating Heterojunction Organic Solar Cells Utilizing MoO3 and ZnO Charge Transport Buffer Layers. Materials. 2010; 3(11):4915-4921.

Chicago/Turabian Style

Hori, Tetsuro; Moritou, Hiroki; Fukuoka, Naoki; Sakamoto, Junki; Fujii, Akihiko; Ozaki, Masanori. 2010. "Photovoltaic Properties in Interpenetrating Heterojunction Organic Solar Cells Utilizing MoO3 and ZnO Charge Transport Buffer Layers." Materials 3, no. 11: 4915-4921.

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