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Dye-sensitized solar cell(DSSC),as a prospective photovoltaic device,has received widespread attention over the past 20 years.1 In DSSC,dye is a key component,which plays an important role in light harvesting,electron injection and device stability.In addition,it is worth noting that perovskite solar cell(PSC)represents an emerging photovoltaic technology,which originated from DSSC by using the organometal halides CH3NH3PbI3 as light absorber.