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Polymer blend based photovoltaic devices.

Kim, Y-G and Thompson, BC and Iyengar, NA and Padmanaban, G and Ramakrishnan, S and Reynolds, JR (2004) Polymer blend based photovoltaic devices. In: 227th ACS National Meeting, March 28-April 1, 2004, Anaheim, CA.

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Official URL: http://oasys2.confex.com/acs/227nm/techprogram/


Solar cells on thin conformable substrates require conventional plastics such asPS and PMMA that provide better mechanical and environmental stability with cost reduction. We can also tune charge transfer between PPV derivatives and fullerene derivatives via morphology control of the plastics in the solar cells. Our group has conducted morphology evolution studies in nano- and microscale light emitting domains in poly (2-methoxy, 5-(2'-ethyl-hexyloxy)-p-phenylenevinylene) (MEH-PPV) and poly (methyl methacrylate) (PMMA) blends. Our current research has been focused on tricomponent-photoactive solar cells which comprise MEH-PPV, PMMA, and [6,6]-phenyl C61-butyric acid methyl ester (PCBM, Figure 1) in the photoactive layer. Morphology control of the photoactive materials and fine tuning of photovoltaic properties for the solar cells are our primary interest. Similar work has been done by the Sariciftci research group. Additionally, a study on inter- and intramolecular photoinduced charge transfer using MEH-PPV derivatives that have different conjugation lengths (Figure 1, n=1 and 0.85) has been performed.

Item Type: Conference Paper
Publisher: American Chemical Society
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 08 Mar 2012 05:59
Last Modified: 08 Mar 2012 06:00
URI: http://eprints.iisc.ac.in/id/eprint/43777

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