摘要
Dye-sensitized solar cells(DSCs) have attracted remarkable attention due to their high efficiency, environmentally friendly and low cost.As an indispensible part of DSCs, the counter electrode(CE) plays a crucial role in high efficient DSCs.Therefore, it is significant to develop advanced CE materials for high-performance DSCs.Our previous work demonstrated that tantalum-based oxides as CEs exhibited remarkable catalytic properties for the reduction of I_3~- in DSCs.In the present work, we successfully synthesized novel tantalum-based oxides FeTa_2O_6, CoTa_2O_6, CuTa_(10)O_(26), and these oxides as counter electrode materials exhibit excellent electrocatalytic activities for the Cu-mediated electrolyte, further, these tantalum-based oxides counter electrode applied in the DSCs with Y123 and D35 dye adsorbed on TiO_2 photoanode exhibits comparable power conversion efficiency to Pt-based DSCs at the same condition.
Dye-sensitized solar cells(DSCs) have attracted remarkable attention due to their high efficiency, environmentally friendly and low cost.As an indispensible part of DSCs, the counter electrode(CE) plays a crucial role in high efficient DSCs.Therefore, it is significant to develop advanced CE materials for high-performance DSCs.Our previous work demonstrated that tantalum-based oxides as CEs exhibited remarkable catalytic properties for the reduction of I_3~- in DSCs.In the present work, we successfully synthesized novel tantalum-based oxides FeTa_2O_6, CoTa_2O_6, CuTa_(10)O_(26), and these oxides as counter electrode materials exhibit excellent electrocatalytic activities for the Cu-mediated electrolyte, further, these tantalum-based oxides counter electrode applied in the DSCs with Y123 and D35 dye adsorbed on TiO_2 photoanode exhibits comparable power conversion efficiency to Pt-based DSCs at the same condition.
引文
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