Study on the bulk junction type organic solar cells with double zinc oxide layer

The optical and photovoltaic properties of a photovoltaic cell with a structure of indium–tin oxide (ITO)/double ZnO/poly(3-hexylthiophene) (PAT6):PCBM/Ag have been investigated. The double layer ZnO was a composite of a sputtered ZnO layer and oriented zinc oxide nanopillars layer which was fabrica...

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Bibliographic Details
Published in:Thin solid films 2009-11, Vol.518 (2), p.786-790
Main Authors: Ju, Xiaohui, Feng, Wei, Kittichungchit, Varutt, Hori, Tetsuro, Moritou, Hiroki, Fujii, Akihiko, Ozaki, Masanori
Format: Article
Language:English
Subjects:
Applied sciences
Bulk junction
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Deposition by sputtering
Double layer
Energy
Exact sciences and technology
Materials science
Methods of deposition of films and coatings
film growth and epitaxy
Natural energy
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of specific thin films
Photovoltaic cell
Photovoltaic conversion
Physics
Solar cells. Photoelectrochemical cells
Solar energy
Zinc oxide
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Summary:The optical and photovoltaic properties of a photovoltaic cell with a structure of indium–tin oxide (ITO)/double ZnO/poly(3-hexylthiophene) (PAT6):PCBM/Ag have been investigated. The double layer ZnO was a composite of a sputtered ZnO layer and oriented zinc oxide nanopillars layer which was fabricated by a new method at low temperature (343 K). It is concluded that the double layer ZnO plays an important role in collecting photogenerated electrons and acts as a conducting path to the electrode. Insertion of the double layer ZnO in the photovoltaic cells produced enhanced performance with the power conversion efficiency of 1.42% under AM1.5 illumination.
ISSN:0040-6090
1879-2731
DOI:10.1016/j.tsf.2009.07.086