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Lim JH, Ko YH, Leem JW, et al. Improvement in light harvesting of dye-sensitized solar cells with antireflective and hydrophobic textile PDMS coating by facile soft imprint lithography. Opt Express. 2015;23(3):A169-79doi: 10.1364/OE.23.00A169.
Lim, J. H., Ko, Y. H., Leem, J. W., & Yu, J. S. (2015). Improvement in light harvesting of dye-sensitized solar cells with antireflective and hydrophobic textile PDMS coating by facile soft imprint lithography. Optics express, 23(3), A169-79. https://doi.org/10.1364/OE.23.00A169
Lim, Joo Ho, et al. "Improvement in light harvesting of dye-sensitized solar cells with antireflective and hydrophobic textile PDMS coating by facile soft imprint lithography." Optics express vol. 23,3 (2015): A169-79. doi: https://doi.org/10.1364/OE.23.00A169
Lim JH, Ko YH, Leem JW, Yu JS. Improvement in light harvesting of dye-sensitized solar cells with antireflective and hydrophobic textile PDMS coating by facile soft imprint lithography. Opt Express. 2015 Feb 09;23(3):A169-79. doi: 10.1364/OE.23.00A169. PMID: 25836246.
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Opt Express. 2015 Feb 09;23(3):A169-79. doi: 10.1364/OE.23.00A169.

Improvement in light harvesting of dye-sensitized solar cells with antireflective and hydrophobic textile PDMS coating by facile soft imprint lithography.

Optics express

Joo Ho Lim, Yeong Hwan Ko, Jung Woo Leem, Jae Su Yu

PMID: 25836246 DOI: 10.1364/OE.23.00A169

Abstract

We demonstrated the improved conversion efficiency (η) of dye-sensitized solar cells (DSSCs) using the textile-patterned polydimethylsiloxane (PDMS) antireflection layers prepared by metal-coated textile master molds by a simple soft imprint lithography. When light propagates through the textile-patterned surface of PDMS (i.e., textile PDMS) laminated on the outer glass surface deposited with fluorine-doped tin oxide (i.e., FTO/glass), both the transmitted and diffused lights into the photo-anode of DSSCs were simultaneously enhanced. Compared to the bare FTO/glass, the textile PDMS increased the total transmittance from 82.3 to 85.1% and its diffuse transmittance was significantly increased from 5.9 to 78.1% at 550 nm of wavelength. The optical property of textile PDMS was also theoretically analyzed by the finite-difference time-domain simulation. By laminating the textile PDMS onto the outer glass surface of DSSCs, the η was enhanced from 6.04 to 6.51%. Additionally, the fabricated textile PDMS exhibited a hydrophobic surface with water contact angle of ~123.15°.

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