Synthesis of high quality zinc-blende CdSe nanocrystals and their application in hybrid solar cells
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Nanotechnology
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Lili Han 1 , Donghuan Qin 1 , Xi Jiang 1 , Yanshan Liu 1 , Li Wang 1 , Junwu Chen 1 and Yong Cao
Published 1 September 2006 • IOP Publishing Ltd Nanotechnology , Volume 17 , Number 18 Citation Lili Han et al 2006 Nanotechnology 17 4736 DOI 10.1088/0957-4484/17/18/035
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1 Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Special Functional Materials, South China University of Technology, Guangzhou 510640, People's Republic of China
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Received 14 June 2006
Published 1 September 2006
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0957-4484/17/18/4736
Abstract
Oleic acid (OA) modified zinc-blende cadmium selenium nanocrystals (NCs) with different diameters, 3–5 nm, have been prepared. We find that the morphology and fluorescent properties of the samples are related to the preparation conditions such as the chain-length and concentration of the cadmium precursor as well as the concentration of OA. The hybrid solar cells based on the obtained spherical CdSe NCs as an acceptor and Poly(2-methoxy-5-(2'-ethylhexoxy)- p -phenylenevinylene) (MEH-PPV) as a donor show an energy conversion efficiency (ECE) as high as 0.85%, three times higher than that reported before for spherical CdSe NCs/conjugated polymer hybrid solar cells. When poly(3-hexylthiophene) (P3HT) is used as the donor phase instead of MEH-PPV, the energy conversion efficiency increases up to 1.08%. The solar cell based on CdSe NCs/conjugated polymer has the potential to open up new production technologies for hybrid solar cells based on semiconductor NCs.
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Nanotechnology. The following article is. Free article. Lili Han 1 , Donghuan Qin 1 , Xi Jiang 1 , Yanshan Liu 1 , Li Wang 1 , Junwu Chen 1 and Yong Cao. Published 1 September 2006 • IOP Publishing Ltd Nanotechnology , Volume 17 , Number 18 Citation Lili Han et al 2006 Nanotechnology 17 4736 DOI 10.1088/0957-4484/17/18/035. Download Article PDF. Figures. Skip to each figure in the article. Tables. Skip to each table in the article. References. Citations. Article data. Skip to each data item in the article. What is article data? Article metrics. 3794 Total downloads. Submit. Submit to this Journal. MathJax. Turn off MathJax. Turn on MathJax. Permissions. Get permission to re-use this article. Share this article. Article and author information. Author affiliations. 1 Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Special Functional Materials, South China University of Technology, Guangzhou 510640, People's Republic of China. 2 Author to whom any correspondence should be addressed. Dates. Received 14 June 2006. Published 1 September 2006. Buy this article in print. Journal RSS. Sign up for new issue notifications. Create citation alert. 0957-4484/17/18/4736. Abstract. Oleic acid (OA) modified zinc-blende cadmium selenium nanocrystals (NCs) with different diameters, 3–5 nm, have been prepared. We find that the morphology and fluorescent properties of the samples are related to the preparation conditions such as the chain-length and concentration of the cadmium precursor as well as the concentration of OA. The hybrid solar cells based on the obtained spherical CdSe NCs as an acceptor and Poly(2-methoxy-5-(2'-ethylhexoxy)- p -phenylenevinylene) (MEH-PPV) as a donor show an energy conversion efficiency (ECE) as high as 0.85%, three times higher than that reported before for spherical CdSe NCs/conjugated polymer hybrid solar cells. When poly(3-hexylthiophene) (P3HT) is used as the donor phase instead of MEH-PPV, the energy conversion efficiency increases up to 1.08%. The solar cell based on CdSe NCs/conjugated polymer has the potential to open up new production technologies for hybrid solar cells based on semiconductor NCs. Export citation and abstract BibTeX RIS. Previous article in issue. Next article in issue. Please wait… references are loading. Back to top.