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Photovoltaic Devices from Multi-Armed CdS Nanorods and Conjugated Polymer Composites

Keywords: 73,50,Pz,73,61,Ph,81,07,Bc
多背CdS纳米棒
,共轭聚合复合物,光伏装置,室温

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Abstract:

We demonstrate the preparation of composite photovoltaic devices by using the blends of multi-armed CdS nanorods with conjugated polymer, poly2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV). Multi-armed CdS nanorods are prepared by thermolysing single precursor cadmium ethylxanthate Cd(exan)2] in pure hexadecylamine solution under ambient conditions. The photoluminescence of MEH-PPV can be effectively quenched in the composites at high CdS nanocrystal (nc-CdS)//MEH-PPV ratios. Post-treatment of the multi-armed CdS nanorods by refluxing in pyridine significantly increases the performance of the composite photovoltaic devices. Power conversion efficiency is obtained to be 0.17% under AM 1.5 illumination for this composite device.

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