A solution-processed bulk heterojunction photovoltaic cell is fabricated based on poly[(2-methoxy,5-octoxy)-1,4-phenylenevinylene](MOPPV)-single walled carbon nanotube(SWNT)-ZnSe quantum dots.The surface morphology sh...A solution-processed bulk heterojunction photovoltaic cell is fabricated based on poly[(2-methoxy,5-octoxy)-1,4-phenylenevinylene](MOPPV)-single walled carbon nanotube(SWNT)-ZnSe quantum dots.The surface morphology shows the formation of an interpenetrating network between well-dispersed SWNTs and ZnSe in the MOPPV matrix.A blue-shifted absorption band indicates the strong electron interaction between SWNTs,ZnSe and MOPPV.A marked increase in the short-circuit current and power conversion efficiency(PCE)of ITO/PEDOT:PSS/MOPPV-SWNT-ZnSe/LiF/Al devices was achieved and compared with that without SWNTs.Results indicate that the enhanced performance is contributed by a high photocurrent due to efficient exciton dissociation and increased mobility for carrier transport in the SWNT pathway.展开更多
基金Supported by the National Basic Research Program of China under Grant No 51171152.
文摘A solution-processed bulk heterojunction photovoltaic cell is fabricated based on poly[(2-methoxy,5-octoxy)-1,4-phenylenevinylene](MOPPV)-single walled carbon nanotube(SWNT)-ZnSe quantum dots.The surface morphology shows the formation of an interpenetrating network between well-dispersed SWNTs and ZnSe in the MOPPV matrix.A blue-shifted absorption band indicates the strong electron interaction between SWNTs,ZnSe and MOPPV.A marked increase in the short-circuit current and power conversion efficiency(PCE)of ITO/PEDOT:PSS/MOPPV-SWNT-ZnSe/LiF/Al devices was achieved and compared with that without SWNTs.Results indicate that the enhanced performance is contributed by a high photocurrent due to efficient exciton dissociation and increased mobility for carrier transport in the SWNT pathway.
