21 August 2008 Critical interfaces in new solar cell materials: organic heterojunctions and heterojunctions involving semiconductor nanoparticles
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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.
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Neal R. Armstrong, Neal R. Armstrong, Dana Alloway, Dana Alloway, Amy Graham, Amy Graham, Clayton Shallcross, Clayton Shallcross, Michael Brumbach, Michael Brumbach, P. Alex Veneman, P. Alex Veneman, Diogenes Placencia, Diogenes Placencia, Weining Wang, Weining Wang, } "Critical interfaces in new solar cell materials: organic heterojunctions and heterojunctions involving semiconductor nanoparticles", Proc. SPIE 7034, Physical Chemistry of Interfaces and Nanomaterials VII, 703402 (21 August 2008); doi: 10.1117/12.795451; https://doi.org/10.1117/12.795451
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