Single nanoparticle voltammetry: contact modulation of the mediated current
The cyclic voltammetric responses of individual palladium-coated carbon nanotubes are reported. Upon impact-from the solution phase-with the electrified interface, the nanoparticles act as individual nanoelectrodes catalyzing the hydrogen-oxidation reaction. At high overpotentials the current is sho...
| Main Authors: | , , , , , |
|---|---|
| Format: | Journal article |
| Language: | English |
| Published: |
Wiley
2015
|
| _version_ | 1826297392689840128 |
|---|---|
| author | Li, X Batchelor-McAuley, C Whitby, SA Tschulik, K Shao, L Compton, R |
| author_facet | Li, X Batchelor-McAuley, C Whitby, SA Tschulik, K Shao, L Compton, R |
| author_sort | Li, X |
| collection | OXFORD |
| description | The cyclic voltammetric responses of individual palladium-coated carbon nanotubes are reported. Upon impact-from the solution phase-with the electrified interface, the nanoparticles act as individual nanoelectrodes catalyzing the hydrogen-oxidation reaction. At high overpotentials the current is shown to reach a quasi-steady-state diffusion limit, allowing determination of the tube length. The electrochemical response of the individual nanotubes also reveals the system to be modulated by the electrical contact between the electrode and carbon nanotube. This modulation presents itself as fluctuations in the recorded Faradaic current. |
| first_indexed | 2024-03-07T04:30:55Z |
| format | Journal article |
| id | oxford-uuid:ce476236-8258-4614-96c4-7f14d99a05d1 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T04:30:55Z |
| publishDate | 2015 |
| publisher | Wiley |
| record_format | dspace |
| spelling | oxford-uuid:ce476236-8258-4614-96c4-7f14d99a05d12022-03-27T07:34:36ZSingle nanoparticle voltammetry: contact modulation of the mediated currentJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ce476236-8258-4614-96c4-7f14d99a05d1EnglishSymplectic Elements at OxfordWiley2015Li, XBatchelor-McAuley, CWhitby, SATschulik, KShao, LCompton, RThe cyclic voltammetric responses of individual palladium-coated carbon nanotubes are reported. Upon impact-from the solution phase-with the electrified interface, the nanoparticles act as individual nanoelectrodes catalyzing the hydrogen-oxidation reaction. At high overpotentials the current is shown to reach a quasi-steady-state diffusion limit, allowing determination of the tube length. The electrochemical response of the individual nanotubes also reveals the system to be modulated by the electrical contact between the electrode and carbon nanotube. This modulation presents itself as fluctuations in the recorded Faradaic current. |
| spellingShingle | Li, X Batchelor-McAuley, C Whitby, SA Tschulik, K Shao, L Compton, R Single nanoparticle voltammetry: contact modulation of the mediated current |
| title | Single nanoparticle voltammetry: contact modulation of the mediated current |
| title_full | Single nanoparticle voltammetry: contact modulation of the mediated current |
| title_fullStr | Single nanoparticle voltammetry: contact modulation of the mediated current |
| title_full_unstemmed | Single nanoparticle voltammetry: contact modulation of the mediated current |
| title_short | Single nanoparticle voltammetry: contact modulation of the mediated current |
| title_sort | single nanoparticle voltammetry contact modulation of the mediated current |
| work_keys_str_mv | AT lix singlenanoparticlevoltammetrycontactmodulationofthemediatedcurrent AT batchelormcauleyc singlenanoparticlevoltammetrycontactmodulationofthemediatedcurrent AT whitbysa singlenanoparticlevoltammetrycontactmodulationofthemediatedcurrent AT tschulikk singlenanoparticlevoltammetrycontactmodulationofthemediatedcurrent AT shaol singlenanoparticlevoltammetrycontactmodulationofthemediatedcurrent AT comptonr singlenanoparticlevoltammetrycontactmodulationofthemediatedcurrent |