TiO2-coated ultrathin SnO2 nanosheets used as photoanodes for dye-sensitized solar cells with high efficiency

Xing, Jun, Fang, Wen Qi, Li, Zhen and Yang, Hua Gui (2012) TiO2-coated ultrathin SnO2 nanosheets used as photoanodes for dye-sensitized solar cells with high efficiency. Industrial and Engineering Chemistry Research, 51 11: 4247-4253. doi:10.1021/ie2030823


Author Xing, Jun
Fang, Wen Qi
Li, Zhen
Yang, Hua Gui
Title TiO2-coated ultrathin SnO2 nanosheets used as photoanodes for dye-sensitized solar cells with high efficiency
Formatted title
TiO2-coated ultrathin SnO2 nanosheets used as photoanodes for dye-sensitized solar cells with high efficiency
Journal name Industrial and Engineering Chemistry Research   Check publisher's open access policy
ISSN 0888-5885
1520-5045
Publication date 2012-03
Sub-type Article (original research)
DOI 10.1021/ie2030823
Volume 51
Issue 11
Start page 4247
End page 4253
Total pages 7
Place of publication Washington, DC, United States
Publisher American Chemical Society
Collection year 2013
Language eng
Formatted abstract
Ultrathin SnO2 nanosheets were prepared by a hydrothermal method using SnF2 and methenamine as precursor and morphology controlling agent, respectively. Structural characterizations indicate that these ultrathin SnO2 nanosheets having a thickness of approximately 4−6 nm can assemble into a three-dimensional, flowerlike architecture. Due to the higher electron mobility and enhanced light-scattering effect of these hierarchical structures, the dye-sensitized solar cells (DSSCs) based on such SnO2 architectures exhibit much higher cell performance than that of SnO2 nanoparticles  Furthermore, coating a TiO2 layer on these ultrathin SnO2 nanosheets can also significantly improve the short-circuit current, open-circuit voltage, and fill factor. Compared with the plain SnO2 nanosheets, the TiO2 coating on these ultrathin SnO2 nanosheets can lead to more than 7 times improvement in the energy conversion efficiency. With a thin layer of TiO2 coating, the highest overall photoconversion efficiency of DSSCs based on SnO2 nanosheets is approximately 2.82%, which is over 2 times higher than that of DSSCs constructed by conversional SnO2 nanoparticles. 
Keyword Tio2
Films
Performance
Electrodes
Transport
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 30 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 32 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Mon, 16 Apr 2012, 12:55:14 EST by System User on behalf of Aust Institute for Bioengineering & Nanotechnology