Operation of a reversed pentacene-fullerene discrete heterojunction photovoltaic device 10.1063/1.2713345
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Nanditha, DM, Dissanayake, M, Hatton, RA, Curry, RJ and Silva, SRP (2007) Operation of a reversed pentacene-fullerene discrete heterojunction photovoltaic device 10.1063/1.2713345 APPLIED PHYSICS LETTERS, 90 (11). ? - ?. ISSN 0003-6951
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Official URL: http://dx.doi.org/10.1063/1.2713345
Abstract
The photoresponse of reversed bilayer organic photovoltaic device based on pentacene and C-60 is examined, and the mechanism of photocurrent generation is shown to be different to that in conventional heterojunction devices, with free charge carriers generated at the electrode-organic interfaces rather than the organic heterojunction. This hypothesis is tested with silver nanoclusters incorporated at the organic heterojunction to quench excitons and facilitate recombination of free charge carriers, which shows a predicted increase in J(sc). The large V-oc in this reversed cell structure is also rationalized in the context of the model proposed.
| 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 (11) 113505 and may be found at D. M. Nanditha et al., Appl. Phys.Lett. 90, 113505 (2007) |
| Uncontrolled Keywords: | Science & Technology, Physical Sciences, Physics, Applied, Physics, OPEN-CIRCUIT VOLTAGE, PLASTIC SOLAR-CELLS, EFFICIENCY, BLENDS, FILMS, C-60 |
| Divisions: | Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre |
| Related URLs: | |
| ID Code: | 110181 |
| Deposited By: | Mr Adam Field |
| Deposited On: | 13 Jan 2012 14:54 |
| Last Modified: | 02 May 2013 02:34 |
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