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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014

Title	Improved Energy Conversion Efficiency of Dye-sensitized Solar Cells Fabricated using Open-ended TiO2 Nanotube Arrays with Scattering Layer
Author	Won-Yeop Rho, Myeoung-Hwan Chun, Ho-Sub Kim, Yoon-Bong Hahn, Jung Sang Suh, Bong-Hyun Jun*
Keywords	Dye-sensitized solar cells (DSSCs), Scattering layer, Open-ended TiO₂ nanotube arrays
Abstract	We prepared dye-sensitized solar cells (DSSCs) with enhanced energy conversion efficiency using open-ended TiO2 nanotube arrays with a TiO2 scattering layer. As compared to closed-ended TiO2 nanotube arrays, the energy conversion efficiency of the open-ended TiO2 nanotube arrays was increased from 5.63% to 5.92%, which is an enhancement of 5.15%. With the TiO2 scattering layer, the energy conversion efficiency was increased from 5.92% to 6.53%, which is an enhancement of 10.30%. After treating the open-ended TiO2 nanotube arrays with TiCl4, the energy conversion efficiency was increased from 6.53% to 6.89%, a 5.51% enhancement, which is attributed to improved light harvesting and increased dye adsorption.
Page	1165 - 1168
Full Text	PDF

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