We introduce 1-Dodecanethiol(DT)to poly(3-hexylthiophene)(P3HT)/[6,6]-phenyl-C61-butyric acid methyl ester based polymer solar cells as a processing additive.When the amount of DT is 1vol%,the device performance is be...We introduce 1-Dodecanethiol(DT)to poly(3-hexylthiophene)(P3HT)/[6,6]-phenyl-C61-butyric acid methyl ester based polymer solar cells as a processing additive.When the amount of DT is 1vol%,the device performance is best.A final power conversion efficiency of 3.1%is achieved,which is an improvement of more than 40%compared to the reference solar cell without DT.To investigate the causes of improvement of the PCE,UV-vis spectroscopy,external quantum efficiency(EQE)is measured and an AFM is used.The enhanced photovoltaic performances are discussed in terms of optical properties and the film morphology.展开更多
基金Supported by the Natural Science Foundation of Hebei Province under Grant Nos F2010000306,F2012201089 and A2011201008Hebei Province Department of Education Fund(ZH 2011205)。
文摘We introduce 1-Dodecanethiol(DT)to poly(3-hexylthiophene)(P3HT)/[6,6]-phenyl-C61-butyric acid methyl ester based polymer solar cells as a processing additive.When the amount of DT is 1vol%,the device performance is best.A final power conversion efficiency of 3.1%is achieved,which is an improvement of more than 40%compared to the reference solar cell without DT.To investigate the causes of improvement of the PCE,UV-vis spectroscopy,external quantum efficiency(EQE)is measured and an AFM is used.The enhanced photovoltaic performances are discussed in terms of optical properties and the film morphology.
