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- Title
The Promotion of the Efficiency of Organic Photovoltaic Devices by Addition of Anisotropic CdSe Nanocrystals.
- Authors
Shu-Ru Chung; Hong-Shuo Chen; Chen-Yu Chien; Meng-Yi Bai; Kuan-Wen Wang
- Abstract
CdSe nanocrystals (NCs) with different morphologies have been synthesized and applied as the acceptor in the active layer of the organic photovoltaic (OPV) devices. CdSe tetrapod (TP)/nanorod (NR) with zinc-blended seeds and wurtzite arms is prepared by seed growth method and mixed with poly(3-hexylthiophene) (P3HT): [6,6]-phenyl-C61-butyric acid methyl ester (PCBM). When the concentrations of CdSe in P3HT: PCBM system are 50 wt% optimally, the efficiency can be promoted about 4.3%, suggesting that an enhancement of 13.2% can be obtained and the addition of anisotropic CdSe NCs content in the active layer can be beneficial for the transport of electrons and light absorption in the OPV devices.
- Subjects
ORGANIC electronics; NANORODS; PHOTOVOLTAIC cells; BUTYRIC acid; ELECTRON transport; LIGHT absorption
- Publication
International Journal of Photoenergy, 2014, p1
- ISSN
1110-662X
- Publication type
Article
- DOI
10.1155/2014/219123