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Enhanced photovoltaic performance in nanoimprinted pentacene-PbS nanocrystal hybrid device

Dissanayake, DMNM, Adikaari, AADT and Silva, SRP (2008) Enhanced photovoltaic performance in nanoimprinted pentacene-PbS nanocrystal hybrid device APPLIED PHYSICS LETTERS, 92 (9). ? - ?. ISSN 0003-6951

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Pentacene and PbS nanocrystal bilayer photovoltaic devices are fabricated after the pentacene layer is subjected to nanoimprinting using a laser textured silicon stamp. Increased short circuit current densities are observed for the imprinted devices, which are attributed to increased charge mobility in the pentacene film caused by the decrease in the intermolecular distances during nanoimprinting. This work is consistent with previous reports where hydrostatic pressure induced mobility increases have been observed in polyacenes under gigapascal pressure regimes. It is believed that the pentacene film undergoes localized high pressures during nanoimprinting, giving rise to the increased hole mobilities. (c) 2008 American Institute of Physics.

Item Type: Article
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Copyright 2008 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, 92 (9) 093308 and may be found at D. M. N .M. Dissanayake, A. A. D. T. Adikaari, S. R. P. Silva, Appl. Phys.Lett. 92, 093308 (2008)

Uncontrolled Keywords: Science & Technology, Physical Sciences, Physics, Applied, Physics
Related URLs:
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Depositing User: Mr Adam Field
Date Deposited: 26 Nov 2012 10:32
Last Modified: 23 Sep 2013 19:50

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