Methods and systems for the reduction of molecules using diamond as a photoreduction catalyst
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United States of America Patent
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Mar 24, 2015
Grant Date -
Aug 1, 2013
app pub date -
Jan 31, 2012
filing date -
Jan 31, 2012
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Abstract
Methods for the photoreduction of molecules are provided. The methods use diamond having a negative electron affinity as a photocatalyst, taking advantage of its ability to act as a solid-state electron emitter that is capable of inducing reductions without the need for reactants to adsorb onto its surface. The methods comprise illuminating a fluid sample comprising the molecules to be reduced and hydrogen surface-terminated diamond having a negative electron affinity with light comprising a wavelength that induces the emission of electrons from the diamond directly into the fluid sample. The emitted electrons induce the reduction of the molecules to form a reduction product.
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