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- W2463577263 abstract "Abstract Electrocatalytic properties of ligand‐free gold nanoclusters (AuNCs, <2 nm) grown on nitrided carbon supports (denoted as AuNCs@N‐C) were evaluated for the oxidation of representative organic molecules including alcohols, an amine, and deoxyguanosine in oligonucleotides. AuNCs@N‐C catalysts were incorporated into films of architecture {PDDA/AuNCs@N‐C} n by using layer‐by‐layer assembly with oppositely charged poly(diallyldimethylammonium) (PDDA) on pyrolytic graphite (PG) electrodes. Cyclic voltammetry and electrochemical impedance spectroscopy (EIS) were used to survey the electrocatalytic properties of these AuNCs@N‐C films. Ligand‐free AuNCs in these films demonstrated excellent electrocatalytic oxidation activity with maximum peak currents and the lowest potentials for oxidizing ethanol, propanol, and tripropylamine (TprA) compared to controls with Au‐surface capping agents or to larger sized Au nanocrystals on the nitrided carbon supports. EIS kinetic studies showed that ligand‐free AuNCs films have the smallest charge‐transfer resistance, largest electrochemically active surface area, and largest apparent standard rate constants, as compared to the control films for all compounds examined. DNA films on AuNCs@N‐C were oxidized at deoxyguanosine moieties with good catalytic activity that depended on charge transport within the films." @default.
- W2463577263 created "2016-07-22" @default.
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- W2463577263 date "2016-07-20" @default.
- W2463577263 modified "2023-10-14" @default.
- W2463577263 title "Electrocatalytic Oxidation of Alcohols, Tripropylamine, and DNA with Ligand-Free Gold Nanoclusters on Nitrided Carbon" @default.
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- W2463577263 doi "https://doi.org/10.1002/celc.201600283" @default.
- W2463577263 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5422001" @default.
- W2463577263 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/28497012" @default.
- W2463577263 hasPublicationYear "2016" @default.
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