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High performance polythiophene/fullerene bulk-heterojunction solar cell with a TiOx hole blocking layer

Hayakawa, Akinobu, Yoshikawa, Osamu, Fujieda, Takuya, Uehara, Kaku, Yoshikawa, Susumu·2007·Applied Physics Letters

Abstract

Insertion of a TiOx layer between the Al electrode and the active layer of an organic photovoltaic cell resulted in a high performance with 94% durability under irradiation (100mW∕cm2) for 100h and had improved fill factor and open circuit voltage. An efficiency of 4.05% was achieved by using the cell containing a TiOx layer fabricated and measured in ambient atmosphere. The TiOx layer works as an effective barrier to physical damage and chemical degradation, resulting in high durability under aerobic conditions, and also serves as a hole blocking layer, resulting in improved parallel resistance and rectification.

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Metadata

Authors
Hayakawa, A., Yoshikawa, O., Fujieda, T., Uehara, K., & Yoshikawa, S.
Venue
Applied Physics Letters
Published
2007-04-16
Volume
90
Issue
16
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1990081244
Cited by
266
References
0
FWCI
21.11
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: High performance polythiophene/fullerene bulk-heterojunction solar cell with a TiOx hole blocking layer. https://app.cochat.ai/papers/10.1063/1.2730746
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Hayakawa, A., Yoshikawa, O., Fujieda, T., Uehara, K., & Yoshikawa, S. (2007). High performance polythiophene/fullerene bulk-heterojunction solar cell with a TiOx hole blocking layer. Applied Physics Letters. https://doi.org/10.1063/1.2730746

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.