Photovoltaic Materials, Devices, and Technologies

Enhanced performance of dye-sensitized solar cells by omnidirectional antireflective coatings

[+] Author Affiliations
Turkan Gamze Ulusoy, Bihter Daglar, Adem Yildirim

Bilkent University, UNAM–National Nanotechnology Research Center, Ankara 06800, Turkey

Bilkent University, Institute of Materials Science and Nanotechnology, Ankara 06800, Turkey

Amir Ghobadi

Bilkent University, UNAM–National Nanotechnology Research Center, Ankara 06800, Turkey

Bilkent University, Department of Electrical and Electronics Engineering, Ankara 06800, Turkey

Mehmet Bayindir

Bilkent University, UNAM–National Nanotechnology Research Center, Ankara 06800, Turkey

Bilkent University, Institute of Materials Science and Nanotechnology, Ankara 06800, Turkey

Bilkent University, Department of Physics, Ankara 06800, Turkey

Ali K. Okyay

Bilkent University, UNAM–National Nanotechnology Research Center, Ankara 06800, Turkey

Bilkent University, Institute of Materials Science and Nanotechnology, Ankara 06800, Turkey

Bilkent University, Department of Electrical and Electronics Engineering, Ankara 06800, Turkey

J. Photon. Energy. 5(1), 053090 (Jun 26, 2015). doi:10.1117/1.JPE.5.053090
History: Received March 16, 2015; Accepted June 1, 2015
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Abstract.  Organically modified silica (ORMOSIL)-coated dye-sensitized solar cells (DSSCs) with improved energy conversion efficiency are demonstrated. ORMOSIL-coated DSSC surfaces exhibit omnidirectional low reflectivity over a broad range of wavelengths (400–800 nm). The short-circuit current density (JSC) is enhanced up to 23% at normal incidence (θ=0deg) as a result of ORMOSIL coating. In addition, JSC enhancement is even higher at larger angles of incidence; 84% enhancement was observed at θ=30deg. Moreover, ORMOSIL coating is superhydrophobic with a contact angle of 155 deg.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Turkan Gamze Ulusoy ; Bihter Daglar ; Adem Yildirim ; Amir Ghobadi ; Mehmet Bayindir, et al.
"Enhanced performance of dye-sensitized solar cells by omnidirectional antireflective coatings", J. Photon. Energy. 5(1), 053090 (Jun 26, 2015). ; http://dx.doi.org/10.1117/1.JPE.5.053090


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