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Efficiency Enhancement in Dye-Sensitized Solar Cells by Three-Dimensional Photonic Crystals

Title
Efficiency Enhancement in Dye-Sensitized Solar Cells by Three-Dimensional Photonic Crystals
Authors
Hwang, Dae-KueLee, ByunghongKim, Dae-HwanChang, Robert P. H.
DGIST Authors
Hwang, Dae-KueKim, Dae-Hwan
Issue Date
2012-12
Citation
Applied Physics Express, 5(12)
Type
Article
Article Type
Article
Keywords
Charge SeparationsConversion EfficiencyDye-Sensitized Solar CellDye-Sensitized Solar Cells (DSCs)Efficiency EnhancementKinetic BalanceLight-HarvestingMicrocomputersPhoto-AnodePhotoelectrochemical CellsPhotonic CrystalsPower Conversion EfficienciesScattering PhenomenonSolar CellsThree-Dimensional (3-D) Photonic CrystalsThree DimensionalThree Dimensional Computer GraphicsThree Dimensional Photonic Crystals
ISSN
1882-0778
Abstract
We have proposed a new dye-sensitized solar cell (DSSC) structure that employs three-dimensional (3D) photonic crystals (PCs) to enhance the light absorption and improve the power conversion efficiency (PCE) by using coherent scattering phenomena. All the DSSC structures with the 3D PC layer exhibited higher short-circuit current densities and higher PCE (10.8%) than those of traditional DSSCs (9.5%) because light that passed through the photoanode was diffracted, thereby making it possible to reuse it. The PCE is improved without affecting the delicate kinetic balance between the charge separation and recombination that is required to improve light-harvesting efficiency (LHE). © 2012 The Japan Society of Applied Physics.
URI
http://hdl.handle.net/20.500.11750/5342
DOI
10.1143/APEX.5.122301
Publisher
Japan Society of Applied Physics
Related Researcher
Files:
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Collection:
Convergence Research Center for Solar Energy1. Journal Articles


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