Gold nanoparticles show electroactivity: counting and sorting nanoparticles upon impact with electrodes |
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| Authors: | Zhou Yi-Ge Rees Neil V Pillay Jeseelan Tshikhudo Robert Vilakazi Sibulelo Compton Richard G |
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| Institution: | Dept. of Chemistry, Physical & Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, United Kingdom. |
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| Abstract: | Gold nanoparticles (AuNPs) in aqueous 0.10 M HCl are shown to be electroactive at oxidising potentials greater than 1.0 V (vs. Ag/AgCl) by means of voltammetric monitoring of AuNP-electrode collisions. The method promises the use of anodic particle coulometry for the detection and characterisation of the AuNPs. |
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