Division of Energy Technology 1. Journal Articles
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Molecular Design and Photovoltaic Performances of Organic Dyes Containing Triphenylamine for Dye-Sensitized Solar Cell

Title
Molecular Design and Photovoltaic Performances of Organic Dyes Containing Triphenylamine for Dye-Sensitized Solar Cell
Author(s)
Jung, Mi Ran ; Jo, Hyo Jeong ; Yang, Hyun Sik ; Kim, Hyojeong ; Kang, Jin Kyu ; Kim, Dae Hwan ; Ahn, Kwang-Soon ; Kim, Jae Hong
Issued Date
2011
Citation
Molecular Crystals and Liquid Crystals, v.538, pp.278 - 284
Type
Article
Author Keywords
Dye-sensitized solar cells ; organic photosensitizers ; photovoltaic performances ; triphenylamine chromophores
Keywords
Active Area ; Chromophores ; Conversion Efficiency ; Dye-Sensitized Solar Cell ; Dye-Sensitized Solar Cells ; EFFICIENT ; Electron Acceptor ; Fill-Factor ; Impedance Analysis ; Life-Times ; MOLECULAR DESIGN ; Nanostructured Materials ; Open Circuit Photo Voltage ; Organic Dye ; Organic Photosensitizers ; Photoanode ; Photoelectrochemical Cells ; Photonics ; Photosensitizers ; Photovoltaic Effects ; PHOTOVOLTAIC PERFORMANCE ; Photovoltaic Performances ; Photovoltaic Property ; Power Conversion Efficiencies ; Recombination Kinetics ; Solar Cells ; Solar Power Generation ; TiO ; Titanium Dioxide ; Triphenyl Amines ; Triphenylamine Chromophores
ISSN
1542-1406
Abstract
Organic dyes containing multi-acceptors/anchors in a chromophore were synthesized for use in a dye-sensitized solar cell. The photovoltaic properties of organic dyes composed of different acceptor in their chromophores were measured to identify the effects on the DSSC performance. The organic dye, 4 containing multi-cyanoacrylic acid as the electron acceptor showed a power conversion efficiency of 4.7% under AM 1.5 illumination (100mWcm-2) in an photo active area of 0.24cm2, short circuit current density of 12.9mAcm-2, open circuit photo voltage of 0.62V and a fill-factor of 60%. The retarded recombination kinetics from TiO2 electrode to electrolyte enhanced the electron life time of organic dye, 4 in the photoanode in DSSC that was well confirmed with the impedance analysis.
URI
http://hdl.handle.net/20.500.11750/5402
DOI
10.1080/15421406.2011.564102
Publisher
Taylor and Francis Ltd.
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