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Title: Dithienylthienothiadiazole-based organic dye containing two cyanoacrylic acid anchoring units for dye-sensitized solar cells
Authors: Sharma G.D.
Mikroyannidis J.A.
Roy M.S.
Justin Thomas, K. R.
Ball R.J.
Kurchania R.
Published in: RSC Advances
Abstract: A new dithienylthienothiadiazole-based organic dye (D) was synthesized by a seven-step synthetic route for use as a sensitizer in dye sensitized solar cells (DSSCs). The dye contains a dithienylthienothiadiazole central unit and two cyanoacrylic acid anchoring side groups. Optical and electrochemical properties of D were evaluated. In addition, density functional theory (DFT) and time dependent density functional theory (TD-DFT) calculations were carried out. A favorable electronic excitation from the highest occupied molecular orbital (HOMO) to the lowest unoccupied molecular orbital (LUMO) indicated that the dye can be used as a sensitizer for DSSC applications. The photovoltaic properties of laboratory scale optimized DSSCs sensitized with D showed a power conversion efficiency (PCE) of 4.22%, which was further improved to 5.47% upon the addition of chenodeoxylic acid (CDCA) as a coadsorbant. © 2012 The Royal Society of Chemistry.
Citation: RSC Advances (2012), 2(30): 11457-11464
Issue Date: 2012
ISSN: 20462069
Author Scopus IDs: 55549519200
Author Affiliations: Sharma, G.D., R and D Centre for Engineering and Science, JEC Group of Colleges, JEC Campus, Kukas, Jaipur (Raj), 303101, India
Mikroyannidis, J.A., Chemical Technology Laboratory, Department of Chemistry, University of Patras, GR 26500, Patras, Greece
Roy, M.S., Defence Laboratory, Jodhpur (Raj), 342011, India
Thomas, K.R.J., Organic Materials Laboratory, Department of Chemistry, Indian Institute of Technology, Roorkee, 247667, Uttrakhand, India
Ball, R.J., Department of Architecture and Civil Engineering, University of Bath, Bath, BA2 7AY, United Kingdom
Kurchania, R., Department of Physics, Maulana Azad National Institute of Technology (MANIT), 462051, Bhopal, MP, India
Corresponding Author: Sharma, G.D.; R and D Centre for Engineering and Science, JEC Group of Colleges, JEC Campus, Kukas, Jaipur (Raj), 303101, India; email:
Appears in Collections:Journal Publications [CY]

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