期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 4, 页码 4501-4509出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b19003
关键词
solar fuels; photocathode; nickel oxide; silatrane; amide coupling
资金
- Swedish Energy Agency [11674-8]
- U.S. Department of Energy (USDOE), Office of Science, Office of Basic Energy Sciences (BES), Chemical Sciences, Geosciences, and Biosciences program
A facile surface amide-coupling method was examined to attach dye and catalyst molecules to silatrane-decorated NiO electrodes. Using this method, electrodes with a push-pull dye were assembled and characterized by photoelectrochemistry and transient absorption spectroscopy. The dye-sensitized electrodes exhibited hole injection into NiO and good photoelectrochemical stability in water, highlighting the stability of the silatrane anchoring group and the amide linkage. The amide-coupling protocol was further applied to electrodes that contain a molecular proton reduction catalyst for use in photocathode architectures. Evidence for catalyst reduction was observed during photoelectrochemical measurements and via photocathodes.
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