Ruthenium (II)-bipyridyl with extended π-system: Improved thermo-stable sensitizer for efficient and long-term durable dye sensitized solar cells

M Chandrasekharam, G Rajkumar, CS Rao…

Index: Chandrasekharam; Rajkumar; Rao, Ch. Srinivasa; Suresh; Reddy; Soujanya Journal of Chemical Sciences, 2011 , vol. 123, # 5 p. 555 - 565

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Citation Number: 16

Abstract

Abstract A new extended thermo-stable high molar extinction coefficient bipyridyl ruthenium (II) complex “cis-Ru (4, 4'-bis (3, 5-di-tert-butylphenyl)-2, 2'-bipyridine)(L n)(NCS) 2 H 101”, where L n= 4, 4'-dicarboxylic acid-2, 2'-bipyridine; was synthesized and characterized by 1 H- NMR, FT-IR and ESI-MASS spectroscopes. The H 101 sensitized solar cell constructed with an active area of 0.54 cm 2 in combination with an ionic liquid electrolyte exhibited ...