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Nanoimprinted large area heterojunction pentacene-C-60 photovoltaic device

Nanditha, DM, Dissanayake, M, Adikaari, AADT, Curry, RJ, Hatton, RA and Silva, SRP (2007) Nanoimprinted large area heterojunction pentacene-C-60 photovoltaic device APPLIED PHYSICS LETTERS, 90 (25). ? - ?. ISSN 0003-6951

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A pentacene-C-60 bilayer heterojunction organic photovoltaic device with interpenetrating donor-acceptor interface was fabricated by nanoimprinting the pentacene layer prior to C-60 deposition. An amorphous silicon substrate nanostructured using an excimer laser was imprinted onto the pentacene layer at high temperature and pressure, using a nanoimprinting lithography system to form a textured pentacene surface. A fivefold improvement in power conversion efficiency was observed due to increased exciton dissociation at the large area heterojunction. Using the proposed technique, highly efficient bilayer large area heterojunction photovoltaics based on small molecule organic materials can be envisaged.

Item Type: Article
Additional Information:

Copyright 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

The following article appeared in Applied Physics Letters, 90 (25) 253502 and may be found at D. M. Nanditha et al., Appl. Phys.Lett. 90, 253502 (2007)

Uncontrolled Keywords: Science & Technology, Physical Sciences, Physics, Applied, Physics, OPEN-CIRCUIT VOLTAGE, SOLAR-CELLS, EFFICIENCY, BLENDS
Related URLs:
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Depositing User: Mr Adam Field
Date Deposited: 07 Dec 2011 10:46
Last Modified: 23 Sep 2013 18:51

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