New heteroleptic benzimidazole functionalized Ru-sensitizer showing the highest efficiency for dye-sensitized solar cells |
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| Affiliation: | 1. Inorganic and Physical Chemistry Division, CSIR—Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500007, India;2. Photovoltaic Materials Unit, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan;3. CRC, Optometry Department, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia;4. Institute of Organic Chemistry, University of Zurich UZH, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland;1. Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow, 119991, Russia;2. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninsky avenue 31, Moscow, 119991, Russia;3. Department of Mechanical Engineering of National University of Singapore, 9 Engineering Drive 1, 117575, Singapore |
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| Abstract: | We designed and synthesized a new ruthenium complex using terpyridine as an anchoring ligand and BOC (tert-butyloxycarbonyl) protected bidentate benzimidazole derivative as an ancillary ligand, coded as GS7. The complex was characterized using 1H NMR, FTIR, elemental analysis, UV–vis spectrophotometer, and cyclic voltammetry. We also tested photovoltaic performance of this complex for dye-sensitized solar cell (DSSCs). GS7 when used as a sensitizer for DSSCs with iodine triiodide electrolyte, showed a Jsc of 15.25 mA cm− 2, a Voc of 0.576 V, a FF of 0.691 and overall power conversion efficiency of (η) 6.07%. |
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