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NANOMATERIAL SCAFFOLDS FOR ELECTRON TRANSPORT

United States Patent Application

20090114273
A1
View the Complete Application at the US Patent & Trademark Office
Embodiments of the present invention provide nanomaterial scaffolds for transporting electrons. There is provided a single wall carbon nanotube (SWCNT) architecture employed as a conducting scaffold in semiconductor based photoelectrochemical cells. SWCNT architecture provides a nanotube network to disperse nanoparticles and/or quantum dots, whether ordered or randomized. As a result, an increase in incident photon conversion to charge carrier conversion efficiency (IPCE) represents a beneficial role of SWCNT architecture as a conducting scaffold to facilitate charge collection and charge transport in nanostructured semiconductor films. Embodiments may be used for solar cells based on semiconductor quantum dots and nanostructures, solar hydrogen production, microcapacitors and storage batteries, solar-fuel cell hybrids, etc.
Kamat, Prashant (Granger, IN)
University of Notre Dame du Lac (Notre Dame IN)
12/ 136,879
June 11, 2008
GOVERNMENT INTERESTS [0002] This invention was made with Government support under Grant/Contract No. DE-FC02-04ER15533 awarded by the US Department of Energy. The Government may have certain rights in the invention.