Critical interfaces in new solar cell materials: organic heterojunctions and heterojunctions involving semiconductor nanoparticles

Neal R. Armstrong; Dana Alloway; Amy Graham; Clayton Shallcross; Michael Brumbach; P. Alex Veneman; Diogenes Placencia; Weining Wang

doi:10.1117/12.795451

21 August 2008 Critical interfaces in new solar cell materials: organic heterojunctions and heterojunctions involving semiconductor nanoparticles

Neal R. Armstrong, Dana Alloway, Amy Graham, Clayton Shallcross, Michael Brumbach, P. Alex Veneman, Diogenes Placencia, Weining Wang

Author Affiliations +

Proceedings Volume 7034, Physical Chemistry of Interfaces and Nanomaterials VII; 703402 (2008) https://doi.org/10.1117/12.795451
Event: NanoScience + Engineering, 2008, San Diego, California, United States

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.

Citation Download Citation

Neal R. Armstrong, Dana Alloway, Amy Graham, Clayton Shallcross, Michael Brumbach, P. Alex Veneman, Diogenes Placencia, and 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); https://doi.org/10.1117/12.795451

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