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Williams OM, Shi JW, Rose MJ. Photoelectrochemical study of p-GaP(100)|ZnO|AuNP devices: strategies for enhanced electron transfer and aqueous catalysis. Chem Commun (Camb). 2016;52(58):9145-8doi: 10.1039/c6cc00703a.
Williams, O. M., Shi, J. W., & Rose, M. J. (2016). Photoelectrochemical study of p-GaP(100)|ZnO|AuNP devices: strategies for enhanced electron transfer and aqueous catalysis. Chemical communications (Cambridge, England), 52(58), 9145-8. https://doi.org/10.1039/c6cc00703a
Williams, Owen M, et al. "Photoelectrochemical study of p-GaP(100)|ZnO|AuNP devices: strategies for enhanced electron transfer and aqueous catalysis." Chemical communications (Cambridge, England) vol. 52,58 (2016): 9145-8. doi: https://doi.org/10.1039/c6cc00703a
Williams OM, Shi JW, Rose MJ. Photoelectrochemical study of p-GaP(100)|ZnO|AuNP devices: strategies for enhanced electron transfer and aqueous catalysis. Chem Commun (Camb). 2016 Jul 12;52(58):9145-8. doi: 10.1039/c6cc00703a. PMID: 27401693.
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Chem Commun (Camb). 2016 Jul 12;52(58):9145-8. doi: 10.1039/c6cc00703a.

Photoelectrochemical study of p-GaP(100)|ZnO|AuNP devices: strategies for enhanced electron transfer and aqueous catalysis.

Chemical communications (Cambridge, England)

Owen M Williams, Justin W Shi, Michael J Rose

Affiliations

  1. Department of Chemistry, The University of Texas at Austin, Austin, TX 78712, USA. [email protected].

PMID: 27401693 DOI: 10.1039/c6cc00703a

Abstract

We report a photocathode device consisting of GaP, a metal oxide (Al2O3 or ZnO), a phosphonate-C12-thiol monolayer, and gold nanoparticles (AuNPs). The AuNPs enhance electron transfer: in non-aqueous electrochemistry (EtV(2+) in MeCN), p-GaP|Al2O3|O3PC12S|AuNP and …ZnO|…|AuNP rescued the photocurrent (24%, 59% of Jmax-etch). Aqueous experiments (CO2 saturated KCl) using the optimized ZnO-functionalized device exhibited H(+) → H2 (FY = 66%) and CO2 → CO (FY = 6%).

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