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Abstract: A new dinuclear ruthenium(II) polypyridine complex has been successfully synthesized. The new compound has been characterized by spectroscopic and electrochemical methods. Its potential application as a sensitizing dye in dye-sensitized solar cells has been checked under AM 1.5 G irradiation conditions (100mWcm−2) and its performance was compared to that of a commercially available mononuclear analogous dye. The overall light-to-electricity conversion efficiency of the photovoltaic device sensitized by the new dinuclear dye has been found to be over 2.5 times lower than that sensitized by the commercial analogue, despite a much higher extinction coefficient of the former dye. The probable reasons for the lower photovoltaic activity are discussed. [Copyright &y& Elsevier]

The authors of corrected paper, during the further work in the topic, recognized that inappropriate conditions of electrochemical (voltammetric) experiments have been applied causing that incorrect results have been obtained and described in the original paper. All the experiments have been repeated in more appropriate conditions, in particular, the wider range of the measurement potentials have been applied. The experiments performed gave more detailed and comprehensive data on the B1 dye properties. The authors of this comment sincerely apologize the readers and co-authors of the original paper for any inconvenience caused. [ABSTRACT FROM AUTHOR]