Institutional Repository of Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China
Single-entity electrochemistry: Diffusion-controlled transport of an analyte inside a particle | |
Le, Haonan1; Lin, Chuhong1,2; Katelhon, Enno1; Compton, Richard G.1 | |
2019-03-01 | |
发表期刊 | ELECTROCHIMICA ACTA |
ISSN | 0013-4686 |
摘要 | Recent progress in nanoparticle electrochemistry has enabled the detection of individual nanoparticles and the characterisation of nanoparticle populations. The nano-impact technique, in which individual nanoparticles diffusively reach and react at an electrode, has advanced to allow exciting insights into reaction mechanisms from inference of the progress of the reaction of an individual nanoparticle as reflected in the electrode current-time response. This work characterises the diffusion-limited depletion of an analyte inside a nanoparticle which is initially doped with this analyte and, upon impact at the electrode, may deform, adsorb, and react. Two different theoretical models are contrasted and we reveal that key physical quantities such as the contact area of the particle and electrode can be extracted from experimental data in favourable cases. In addition, a dimensional analysis of the theoretical model is presented which simplifies the analysis of experimental data by reducing the number of required fitting parameters. (c) 2018 Elsevier Ltd. All rights reserved. |
关键词 | Single nanoparticle Diffusion-controlled transport Nano-impact Modelling Chronoamperometry |
DOI | 10.1016/j.electacta.2018.12.144 |
关键词[WOS] | RESOLVED IMPACT ELECTROCHEMISTRY ; POLYMER-FILMS ; NAFION FILMS ; SILVER NANOPARTICLES ; ELECTRODES ; IONS |
收录类别 | SCI |
语种 | 英语 |
资助项目 | European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC[320403] |
项目资助者 | European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP/20072013)/ERC |
WOS研究方向 | Electrochemistry |
WOS类目 | Electrochemistry |
WOS记录号 | WOS:000456432200082 |
出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/41537 |
专题 | 中科院合肥智能机械研究所 |
通讯作者 | Compton, Richard G. |
作者单位 | 1.Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, South Parks Rd, Oxford OX1 3QZ, England 2.Chinese Acad Sci, Inst Intelligent Machines, Key Lab Environm Opt & Technol, Hefei 230031, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Le, Haonan,Lin, Chuhong,Katelhon, Enno,et al. Single-entity electrochemistry: Diffusion-controlled transport of an analyte inside a particle[J]. ELECTROCHIMICA ACTA,2019,298(无):778-787. |
APA | Le, Haonan,Lin, Chuhong,Katelhon, Enno,&Compton, Richard G..(2019).Single-entity electrochemistry: Diffusion-controlled transport of an analyte inside a particle.ELECTROCHIMICA ACTA,298(无),778-787. |
MLA | Le, Haonan,et al."Single-entity electrochemistry: Diffusion-controlled transport of an analyte inside a particle".ELECTROCHIMICA ACTA 298.无(2019):778-787. |
条目包含的文件 | 下载所有文件 | |||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Single-entity electr(2122KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论