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Photoelectrochemical operation of a surface-bound, nickel-phosphine H2 evolution catalyst on p-Si(111): a molecular
Junhyeok Seo1, Ryan T Pekarek, Michael J Rose
1Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, USA. mrose@cm.utexas.edu.
Chemical Communications (Cambridge, England)
|May 23, 2015
Abstract:
We demonstrate the covalent attachment and catalytic function of a nickel-phosphine H2 evolution catalyst to a p-Si(111) photoelectrode. The covalently assembled semiconductor|molecular construct achieves a synergistic improvement (ΔVonset = +200 mV) as compared to a solution of [(PNP)2Ni](2+) in contact with a p-Si(111)-CH3 photoelectrode.
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