Title :
Enhancement of photoconductivity and quenching of luminescence in poly(2,5-dialkoxy-p-phenylene vinylene) upon perylene derivative doping
Author :
Feng, Wei ; Xu, Youlong ; Cao, Meng ; Wan, Meixiang ; Fujii, Akihiko ; Yoshino, Katsumi
Author_Institution :
Sch. of Electron. & Inf., Xi´´an Jiaotong Univ., China
fDate :
6/23/1905 12:00:00 AM
Abstract :
We prepared a soluble polymer-dye composite of poly(2,5-dialkoxy-p-phenylene vinylene) and N,N´-diphenyl glyoxaline -3,4,9,10-perylene tetracarboxylic acid diacidamide (ROPPV-PV) as a new class of organic semiconducting material that would be available for photovoltaic cells. Photocells made of the composites exhibited enhanced photosensitivity at 400-600 nm and 675-800 nm. The enhanced photoconductivity and strongly quenched PL were explained by efficient photoinduced charge separation at the interface between ROPPV and PV in the composite films. Formation of PV network is interpreted to contribute for electron migration to the electrode. More higher photoconductivity could be got by mixing PV and C60 into conducting polymers
Keywords :
composite materials; conducting polymers; dyes; photoconductivity; photovoltaic cells; radiation quenching; 400 to 600 nm; 675 to 800 nm; N,N´-diphenyl glyoxaline -3,4,9,10-perylene tetracarboxylic acid diacidamide; ROPPV-PV; electron migration; luminescence; organic semiconducting material; photocells; photoconductivity; photoinduced charge separation; photosensitivity; photovoltaic cells; poly(2,5-dialkoxy-p-phenylene vinylene); strongly quenched PL; Composite materials; Luminescence; Organic materials; Photoconducting materials; Photoconductivity; Photovoltaic cells; Polymers; Semiconductivity; Semiconductor films; Semiconductor materials;
Conference_Titel :
Solid Dielectrics, 2001. ICSD '01. Proceedings of the 2001 IEEE 7th International Conference on
Conference_Location :
Eindhoven
Print_ISBN :
0-7803-6352-3
DOI :
10.1109/ICSD.2001.955611
