3D Photoelectrode for Dye Solar Cells Realized by Laser Micromachining of Photosensitive Glass

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Abstract

An explorative dye solar cell architecture based on the implementation of a 3D micropatterned photoelectrode is disclosed here. An array of conical micropillars has been realized by laser micromachining of photosensitive glass which has been advantageously used as a substrate for deposition of a thin transparent conductive layer and a thick mesoporous TiO2 electrode. A significantly higher photocurrent density has been detected as an effect of the extended overall absorbing area of the micropatterned photoelectrode with respect to a conventional 2D reference photoelectrode. This enhancement can also be partially imputable to a not negligible "waveguide effect" occurring within the glass micropillars.

Autore Pugliese

Tutti gli autori

  • Manca M. , BBeke S. , De Marco L. , Pareo P. , Qualtieri A. , Cannavale A. , Brandi F. , Gigli G.

Titolo volume/Rivista

JOURNAL OF PHYSICAL CHEMISTRY. C

Anno di pubblicazione

2014

ISSN

1932-7447

ISBN

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