Enhancement of Photoconversion Efficiency of ZnO Nanorod-Based Dye-Sensitized Solar Cells in Presence of ZrO2 Thin Energy Barrier

Title
Enhancement of Photoconversion Efficiency of ZnO Nanorod-Based Dye-Sensitized Solar Cells in Presence of ZrO2 Thin Energy Barrier
Authors
구구매이원주길병호안희준조병원한성환
Keywords
Dye-Sensitized Solar Cells; Recombination; ZnO; ZrO2; Wet-Chemical Process
Issue Date
2011-05
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 11, NO 5, 4476-4479
Abstract
In order to enhance the power conversion efficiency of ZnO nanorods-based dye-sensitized solar cells (DSSCs), ZrO2 thin energy barriers were formed on ZnO nanorods using a sol–gel method. In DSSCs, the short-circuit current was substantially increased, and the dark current was significantly reduced in the presence of the ZrO2 layer. Due to suppressed recombination in the presence of the ZrO2 layer, 81.3% increment of power conversion efficiency is achieved compared to those without ZrO2 layer.
URI
http://pubs.kist.re.kr/handle/201004/40054
ISSN
1533-4880
Appears in Collections:
KIST Publication > Article
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