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http://dx.doi.org/10.5012/bkcs.2013.34.8.2321

Effects of Ligand-exchanged Cadmium Selenide Nanoparticles on the Performance of P3HT:PCBM:CdSe Ternary System Solar Cells  

Park, Eung-Kyu (School of Electronic and Electrical Engineering, Sungkyunkwan University)
Fu, Honghong (School of Mechanical and Power Engineering, East China University of Science and Technology)
Choi, Mijung (MLB Lab, Korea circuit Co. Ltd.)
Luan, Weiling (School of Mechanical and Power Engineering, East China University of Science and Technology)
Kim, Yong-Sang (School of Electronic and Electrical Engineering, Sungkyunkwan University)
Publication Information
Bulletin of the Korean Chemical Society / v.34, no.8, 2013 , pp. 2321-2324 More about this Journal
Abstract
An improved hybrid solar cell was obtained by focusing on the effects of ligand for CdSe nanoparticles, in the active layers. The performance was compared by mixing nanoparticles capped with pyridine or oleic acid for the acceptor material into poly(3-hexylthiophene):[6,6]-phenyl C61 butyric acid methyl ester based active layer. The solar cells with pyridine capped CdSe nanoparticles showed a power conversion efficiency of 2.96% while oleic acid capped CdSe nanoparticles showed 2.85%, under AM 1.5G illumination. Formation of percolation pathways for carrier transport and a reduction in the hopping event resulted in better performance of pyridine capped nanoparticles.
Keywords
CdSe NPs; Ligand-exchange; Organic solar cell; Ternary system;
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