Chin. Phys. Lett.  2006, Vol. 23 Issue (12): 3345-3348    DOI:
Original Articles |
Photovoltaic Devices from Multi-Armed CdS Nanorods and Conjugated Polymer Composites
LIU Yan-Shan;WANG Li;QIN Dong-Huan);CAO Yong
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Special Functional Materials, South China University of Technology, Guangzhou 510640
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LIU Yan-Shan, WANG Li, QIN Dong-Huan) et al  2006 Chin. Phys. Lett. 23 3345-3348
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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, poly[2-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.
Keywords: 73.50.Pz      73.61.Ph      81.07.Bc     
Published: 01 December 2006
PACS:  73.50.Pz (Photoconduction and photovoltaic effects)  
  73.61.Ph (Polymers; organic compounds)  
  81.07.Bc (Nanocrystalline materials)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I12/03345
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LIU Yan-Shan
WANG Li
QIN Dong-Huan)
CAO Yong
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