New heteroleptic benzimidazole functionalized Ru-sensitizer showing the highest efficiency for dye-sensitized solar cells

被引：12
|
作者：
Swetha, T. [1 ]
Niveditha, S. [1 ]
Bhanuprakash, K. [1 ]
Islam, Ashraful [2 ]
Han, Liyuan [2 ]
Bedja, Idriss M. [3 ]
Fallahpour, Reza [4 ]
Singh, Surya Prakash [1 ]
机构：
[1] Indian Inst Chem Technol, CSIR, Inorgan & Phys Chem Div, Hyderabad 500007, Andhra Pradesh, India
[2] Natl Inst Mat Sci, Photovolta Mat Unit, Tsukuba, Ibaraki 3050047, Japan
[3] King Saud Univ, Coll Appl Med Sci, CRC, Dept Optometry, Riyadh 11433, Saudi Arabia
[4] Univ Zurich, Inst Organ Chem, CH-8057 Zurich, Switzerland
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2015年 / 51卷
关键词：
Benzimidazole; Photovoltaic performance; Dye sensitized solar cells (DSSCs); Iodine triiodide electrolyte; Power conversion efficiency; EXTINCTION COEFFICIENT SENSITIZER; RUTHENIUM SENSITIZER; NANOCRYSTALLINE TIO2; ELECTRON INJECTION; COMPLEXES; LIGHT; LIGAND; ELECTRICITY; BIPYRIDINE; CONVERSION;
D O I：
10.1016/j.inoche.2014.10.033
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We designed and synthesized a new ruthenium complex using terpyridine as an anchoring ligand and BOC (tertbutyloxycarbonyl) protected bidentate benzimidazole derivative as an ancillary ligand, coded as GS7. The complex was characterized using H-1 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 J(sc) of 15.25 mA cm(-2), a V-oc of 0.576 V, a FF of 0.691 and overall power conversion efficiency of (eta) 6.07%. (C) 2014 Published by Elsevier B.V.
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页码：61 / 65
页数：5
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