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A PbS nanocrystal-C-60 photovoltaic device for infrared light harvesting

Dissanayake, DMNM, Hatton, RA, Lutz, T, Giusca, CE, Curry, RJ and Silva, SRP (2007) A PbS nanocrystal-C-60 photovoltaic device for infrared light harvesting APPLIED PHYSICS LETTERS, 91 (13). ? - ?. ISSN 0003-6951

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PbS nanocrystal (nc-PbS)-C-60 photovoltaic devices are demonstrated, in which nc-PbS function as electron donors, showing infrared photosensitivity up to 1600 nm. Annealing nc-PbS is proved to remove capping oleic acid ligands, studied using x-ray photoelectron spectroscopy, significantly improving the short circuit current, open circuit voltage, and fill factor. The device performance is rationalized by quantum confinement in nc-PbS and energy level alignment at the heterojunction based on direct measurements of nc-PbS ionization potential using ultraviolet photoelectron spectroscopy. (c) 2007 American Institute of Physics.

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, 91 (13) 133506 and may be found at D. M. N. M. Dissanayake et al., Appl. Phys.Lett. 91, 133506 (2007)

Uncontrolled Keywords: Science & Technology, Physical Sciences, Physics, Applied, Physics, PLASTIC SOLAR-CELLS, SELF-ORGANIZATION, EFFICIENCY, COMPOSITES
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 10:12
Last Modified: 23 Sep 2013 18:51

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