Solution-Processed Nanowire Coating for Light Management in Organic Solar Cells | Zendy

Kazuma Tsuboi | Zendy; Tadashi Fukawa | Zendy; Yuichi Konosu | Zendy; Hidetoshi Matsumoto | Zendy; Akihiko Tanioka | Zendy

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Solution-Processed Nanowire Coating for Light Management in Organic Solar Cells

Author(s) -

Kazuma Tsuboi,

Tadashi Fukawa,

Yuichi Konosu,

Hidetoshi Matsumoto,

Akihiko Tanioka

Publication year - 2012

Publication title -

journal of nanotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.347

H-Index - 29

eISSN - 1687-9511

pISSN - 1687-9503

DOI - 10.1155/2012/387586

Subject(s) - materials science , coating , nanowire , anti reflective coating , energy conversion efficiency , optoelectronics , dispersion (optics) , titanium dioxide , casting , layer (electronics) , composite material , optics , physics

We report a novel light management approach based on solution-processed nanowire (NW) coating for enhancing organic solar cell efficiency. A titanium dioxide (TiO2) NW dispersion was produced by electrospinning. The coatings with various coverage fractions were fabricated by a simple solution casting of a TiO2 NW dispersion. Reduced reflectivity was observed for the NW-coated glass slide. The bulk-heterojunction organic solar cells with the NW coating showed improved power conversion efficiencies (PCEs) due to their antireflection and light trapping effects in the active layer. In addition, the PCE of the cell with the NW coating was improved compared with that without the NW coating for incident angles above 70° (increased by a maximum of 51.6% at an incident angle of 85°). These results indicate that solution-processed NW coating is a promising light management approach easily scalable and applicable to a wide range of devices, including solar cells

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