Electrochemical approach for fabricating nanogap electrodes with well controllable separation

Fang Chen, Quan Qing, Liang Ren, Zhongyun Wu, Zhongfan Liu

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

An electrochemical technique for fabricating nanogaps is proposed, which utilizes an in situ gap-impedance-tuning mechanism to realize precise control of gap separation. Nanogap electrodes with gap separation from tens of nanometer to sub 10 nm have been fabricated by combining conventional photolithography and this controlled electrodeposition technique. The gap separation can be tuned by changing monitoring parameters based on a homemade electrochemical setup, which provides high sensitivity and reproducibility. In addition, a possible mechanism for controlling gap separation at tens of nanometer level at present conditions was discussed.

Original languageEnglish (US)
Article number123105
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number12
DOIs
StatePublished - Mar 21 2005
Externally publishedYes

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electrodes
photolithography
electrodeposition
tuning
impedance
sensitivity

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Electrochemical approach for fabricating nanogap electrodes with well controllable separation. / Chen, Fang; Qing, Quan; Ren, Liang; Wu, Zhongyun; Liu, Zhongfan.

In: Applied Physics Letters, Vol. 86, No. 12, 123105, 21.03.2005, p. 1-3.

Research output: Contribution to journalArticle

Chen, Fang ; Qing, Quan ; Ren, Liang ; Wu, Zhongyun ; Liu, Zhongfan. / Electrochemical approach for fabricating nanogap electrodes with well controllable separation. In: Applied Physics Letters. 2005 ; Vol. 86, No. 12. pp. 1-3.
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