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Proceedings Paper

Tailor-made ZnO@SnO2 networks for high-efficiency photovoltaic devices
Author(s): Riccardo Milan; Gurpreet S. Selopal; Isabella Concina; Mauro Epifani; Alberto Vomiero; Giorgio Sberveglieri
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Paper Abstract

ZnO@SnO2 multilayered network was deposited on fluorine doped tin oxide (FTO) glass and applied as photoanode in dye sensitized solar cells whose functional performances are compared with single oxide-based photoanodes made of SnO2 nanoparticles and ZnO microparticles. Multi-oxide photoanodes provide for enhanced photoconversion efficiency (3.31%) as compared with bare SnO2 nanoparticles (1.06%) and ZnO microparticles (1.04%). Improved functional performances of the ZnO@SnO2 layered network are ascribable to partial inhibition of back electron transfer from SnO2 to the redox electrolyte, guaranteed by the ZnO, which acts as a capping layer for the underlying SnO2.

Paper Details

Date Published: 8 March 2014
PDF: 5 pages
Proc. SPIE 8987, Oxide-based Materials and Devices V, 898728 (8 March 2014); doi: 10.1117/12.2040382
Show Author Affiliations
Riccardo Milan, INO SENSOR Lab., CNR, Univ. degli Studi di Brescia (Italy)
Gurpreet S. Selopal, INO SENSOR Lab., CNR, Univ. degli Studi di Brescia (Italy)
Isabella Concina, INO SENSOR Lab., CNR, Univ. degli Studi di Brescia (Italy)
Mauro Epifani, Consiglio Nazionale delle Ricerche (Italy)
Alberto Vomiero, INO SENSOR Lab., CNR, Univ. degli Studi di Brescia (Italy)
Giorgio Sberveglieri, INO SENSOR Lab., CNR, Univ. degli Studi di Brescia (Italy)


Published in SPIE Proceedings Vol. 8987:
Oxide-based Materials and Devices V
Ferechteh H. Teherani; David C. Look; David J. Rogers, Editor(s)

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