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Proceedings Paper

Critical interfaces in new solar cell materials: organic heterojunctions and heterojunctions involving semiconductor nanoparticles
Author(s): Neal R. Armstrong; Dana Alloway; Amy Graham; Clayton Shallcross; Michael Brumbach; P. Alex Veneman; Diogenes Placencia; Weining Wang
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Paper Abstract

The heterojunctions formed between different organic dyes (O/O' heterojunctions), organic dyes with contacting oxide or metal electrodes (O/I heterojunctions), and semiconductor nanoparticles with organic host polymers and ligands (SC-NP/ O heterojunctions) must be understood and optimized in order to enhance the energy conversion efficiencies of photovoltaics using these materials as their active components. We have used combinations of UV-photoelectron spectroscopy, and X-ray photoelectron spectroscopy (UPS/XPS) in the characterization of representative heterojunctions, and extrapolate these studies to the optimization of new photovoltaic and photoelectrochemical energy conversion devices.

Paper Details

Date Published: 21 August 2008
PDF: 9 pages
Proc. SPIE 7034, Physical Chemistry of Interfaces and Nanomaterials VII, 703402 (21 August 2008); doi: 10.1117/12.795451
Show Author Affiliations
Neal R. Armstrong, The Univ. of Arizona (United States)
Dana Alloway, The Univ. of Arizona (United States)
Amy Graham, The Univ. of Arizona (United States)
Clayton Shallcross, The Univ. of Arizona (United States)
Michael Brumbach, The Univ. of Arizona (United States)
P. Alex Veneman, The Univ. of Arizona (United States)
Diogenes Placencia, The Univ. of Arizona (United States)
Weining Wang, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 7034:
Physical Chemistry of Interfaces and Nanomaterials VII
Garry Rumbles; Oliver L. A. Monti, Editor(s)

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