Improved Efficiency of Dye-Sensitized Solar Cell Using Graphene-Coated Al2O3-TiO2 Nanocomposite Photoanode

Title
Improved Efficiency of Dye-Sensitized Solar Cell Using Graphene-Coated Al2O3-TiO2 Nanocomposite Photoanode
Author(s)
박정현[박정현]서상원[서상원]김재홍최철종[최철종]김현수[김현수]이도경[이도경]정우식안광순
Keywords
TIO2 FILMS; NANOTUBES
Issue Date
201105
Publisher
TAYLOR & FRANCIS LTD
Citation
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.538, pp.285 - 291
Abstract
Dye-sensitized solar cells (DSSCs) were fabricated using graphene-coated Al2O3 (GCA)-TiO2 nanocomposite electrodes. The GCA-TiO2 pastes were prepared by simply blending the GCA particles with TiO2 particles without any complex treatments. The DSSC with 1 wt.% GCA-TiO2 exhibited much better overall energy conversion efficiency, when compared to the DSSCs with TiO2 alone and with carbon nanotube-TiO2. It can be attributed to efficient electron transport through the GCA-TiO2 to the transparent conducting oxide, resulting in significantly enhanced electron lifetime.
URI
http://hdl.handle.net/YU.REPOSITORY/25230http://dx.doi.org/10.1080/15421406.2011.564105
ISSN
1542-1406
Appears in Collections:
공과대학 > 화학공학부 > Articles
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