Impedance study of adsorption phenomena on three-dimensional nano-nickel electrode deposited on silicon microchannel plate

Shaohui Xu; Mai Li; Yiping Zhu; Lianwei Wang; Pingxiong Yang; Paul K. Chu

doi:10.1016/j.electacta.2014.03.163

Impedance study of adsorption phenomena on three-dimensional nano-nickel electrode deposited on silicon microchannel plate

Shaohui Xu, Mai Li, Yiping Zhu, Lianwei Wang, Pingxiong Yang, Paul K. Chu

School of Physics and Electronic Science

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Three-dimensional nano-nickel electrodes fabricated on silicon microchannel plates by electroless deposition are characterized by electrochemical impedance spectroscopy. Compared to the nickel sheet, adsorption of cations and anions is detected due to the larger surface area of the porous nickel structure and three-dimensional architecture of the silicon microchannel plates. Adsorption is sensitive to the frequency and increasing step of the external voltage and different desorption rates of 0.003 and 0.027 A/cm²are observed from cations and anions, respectively. The experimental results indicate that adsorption is responsible for the anomalous increase of the impedance in the low frequency region.

Original language	English
Pages (from-to)	165-171
Number of pages	7
Journal	Electrochimica Acta
Volume	132
DOIs	https://doi.org/10.1016/j.electacta.2014.03.163
State	Published - 20 Jun 2014

Keywords

Adsorption phenomena
Impedance spectroscopy
Silicon microchannel plates
Three-dimensional nano-nickel electrode

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10.1016/j.electacta.2014.03.163

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@article{7591a937e67d4748b78b99d29219500d,

title = "Impedance study of adsorption phenomena on three-dimensional nano-nickel electrode deposited on silicon microchannel plate",

abstract = "Three-dimensional nano-nickel electrodes fabricated on silicon microchannel plates by electroless deposition are characterized by electrochemical impedance spectroscopy. Compared to the nickel sheet, adsorption of cations and anions is detected due to the larger surface area of the porous nickel structure and three-dimensional architecture of the silicon microchannel plates. Adsorption is sensitive to the frequency and increasing step of the external voltage and different desorption rates of 0.003 and 0.027 A/cm2are observed from cations and anions, respectively. The experimental results indicate that adsorption is responsible for the anomalous increase of the impedance in the low frequency region.",

keywords = "Adsorption phenomena, Impedance spectroscopy, Silicon microchannel plates, Three-dimensional nano-nickel electrode",

author = "Shaohui Xu and Mai Li and Yiping Zhu and Lianwei Wang and Pingxiong Yang and Chu, \{Paul K.\}",

year = "2014",

month = jun,

day = "20",

doi = "10.1016/j.electacta.2014.03.163",

language = "英语",

volume = "132",

pages = "165--171",

journal = "Electrochimica Acta",

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TY - JOUR

T1 - Impedance study of adsorption phenomena on three-dimensional nano-nickel electrode deposited on silicon microchannel plate

AU - Xu, Shaohui

AU - Li, Mai

AU - Zhu, Yiping

AU - Wang, Lianwei

AU - Yang, Pingxiong

AU - Chu, Paul K.

PY - 2014/6/20

Y1 - 2014/6/20

N2 - Three-dimensional nano-nickel electrodes fabricated on silicon microchannel plates by electroless deposition are characterized by electrochemical impedance spectroscopy. Compared to the nickel sheet, adsorption of cations and anions is detected due to the larger surface area of the porous nickel structure and three-dimensional architecture of the silicon microchannel plates. Adsorption is sensitive to the frequency and increasing step of the external voltage and different desorption rates of 0.003 and 0.027 A/cm2are observed from cations and anions, respectively. The experimental results indicate that adsorption is responsible for the anomalous increase of the impedance in the low frequency region.

AB - Three-dimensional nano-nickel electrodes fabricated on silicon microchannel plates by electroless deposition are characterized by electrochemical impedance spectroscopy. Compared to the nickel sheet, adsorption of cations and anions is detected due to the larger surface area of the porous nickel structure and three-dimensional architecture of the silicon microchannel plates. Adsorption is sensitive to the frequency and increasing step of the external voltage and different desorption rates of 0.003 and 0.027 A/cm2are observed from cations and anions, respectively. The experimental results indicate that adsorption is responsible for the anomalous increase of the impedance in the low frequency region.

KW - Adsorption phenomena

KW - Impedance spectroscopy

KW - Silicon microchannel plates

KW - Three-dimensional nano-nickel electrode

UR - https://www.scopus.com/pages/publications/84988226798

U2 - 10.1016/j.electacta.2014.03.163

DO - 10.1016/j.electacta.2014.03.163

M3 - 文章

AN - SCOPUS:84988226798

SN - 0013-4686

VL - 132

SP - 165

EP - 171

JO - Electrochimica Acta

JF - Electrochimica Acta

ER -

Impedance study of adsorption phenomena on three-dimensional nano-nickel electrode deposited on silicon microchannel plate

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Keywords

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