Highly connected hierarchical textured TiO2 spheres as photoanodes for dye-sensitized solar cells

Lin, Jianjian, Nattestad, Andrew, Yu, Hua, Bai, Yang, Wang, Lianzhou, Dou, Shi Xue and Kim, Jung Ho (2014) Highly connected hierarchical textured TiO2 spheres as photoanodes for dye-sensitized solar cells. Journal of Materials Chemistry A, 2 23: 8902-8909. doi:10.1039/c3ta15444k


Author Lin, Jianjian
Nattestad, Andrew
Yu, Hua
Bai, Yang
Wang, Lianzhou
Dou, Shi Xue
Kim, Jung Ho
Title Highly connected hierarchical textured TiO2 spheres as photoanodes for dye-sensitized solar cells
Journal name Journal of Materials Chemistry A   Check publisher's open access policy
ISSN 2050-7488
2050-7496
Publication date 2014-06-21
Year available 2014
Sub-type Article (original research)
DOI 10.1039/c3ta15444k
Open Access Status Not Open Access
Volume 2
Issue 23
Start page 8902
End page 8909
Total pages 8
Place of publication Cambridge, United Kingdom
Publisher Royal Society of Chemistry
Collection year 2015
Language eng
Subject 1600 Chemistry
2105 Renewable Energy, Sustainability and the Environment
2500 Materials Science
Abstract We present a new type of microstructured TiO2 sea urchin-like assembly, composed of high aspect-ratio nanosheets. We also demonstrate the applicability of these structures as photoanodes in dye-sensitized solar cells, with 9.0% conversion efficiency realized, a considerable improvement over the commercial Dyesol paste (8.2%) under the same conditions. We reveal that this new TiO2 nanostructure is beneficial to enhanced dye loading and efficient light scattering. In particular, the interpenetrating individual sheets of the spheres result in more intimate interparticle connections and provide efficient electron transfer pathways. This journal is
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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