Issue 12, 2009
From the journal:

Energy & Environmental Science

Surface properties of SnO2nanowires for enhanced performance with dye-sensitized solar cells†

Suresh Gubbala,a   Harry B. Russell,a   Hemant Shah,b   Biswapriya Deb,d   Jacek Jasinski,d   Heather Rypkemac  and  Mahendra K. Sunkara*a  

* Corresponding authors

a Department of Chemical Engineering, University of Louisville, Louisville, KY
E-mail: mahendra@louisville.edu

b Department of Electrical and Computer Engineering, University of Louisville, Louisville, KY

c Department of Chemistry, University of Louisville, Louisville, KY

d Institute for Advanced Materials and Renewable Energy, University of Louisville, Louisville, KY

Abstract

Our recent studies showed that nanowire based DSSCs exhibited over 250 mV higher open circuit potentials (VOC) compared to those using nanoparticles. In this study, the electron transport and surface properties of nanowires and nanoparticles are investigated to understand the reasons for the observed higher photovoltages with NW based solar cells. It was seen that, in addition to slow recombination kinetics, the lower work function of SnO2nanowires compared to the nanoparticle counterparts also significantly contributes to the high VOC observed for the nanowire based DSSCs.

Graphical abstract: Surface properties of SnO2nanowires for enhanced performance with dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/B910174H
Article type
Paper
Submitted
22 May 2009
Accepted
28 Aug 2009
First published
22 Sep 2009

Energy Environ. Sci., 2009,2, 1302-1309

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Surface properties of SnO2nanowires for enhanced performance with dye-sensitized solar cells

S. Gubbala, H. B. Russell, H. Shah, B. Deb, J. Jasinski, H. Rypkema and M. K. Sunkara, Energy Environ. Sci., 2009, 2, 1302 DOI: 10.1039/B910174H

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