适用于TERS系统的金修饰钨丝探针制备和研究

doi:10.3969/j.issn.1000-1158.2020.12.02

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Abstract A gold modified tungsten tip for tip-enhanced Raman spectroscopy(TERS) is proposed and the preparation method is studied. An inner arc-shaped tip was designed through finite element analysis,and then modified with a gold nano-particles layer after a silicon dioxide bonding layer was deposited. The tungsten tips were prepared by adjusting the concentration of solution, motor displacement and immersion depth of the electrochemical corrosion probe device developed by the laboratory independently. Based on the design, an inductively coupled plasma chemical vapor deposition(ICP-CVD) technology was employed to deposit the SiO2 coating, and the electron beam physical vapor deposition(EB-PVD) to prepare the gold nanoparticles layer. Finally, the preparation of the tip is completed, and the radius of the tip after double coating is 30~80nm,which can be used for TERS research.

Key words： metrology tungsten probe tip TERS nanoparticle modification

Received: 22 November 2019 Published: 08 December 2020

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TB92

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	Articles by authors
	DU Bo-lin
	GAO Si-tian
	HUANG Lu
	SHI Yu-shu
	QU Xing-hua

Cite this article:

DU Bo-lin,GAO Si-tian,HUANG Lu, et al. Study and Preparation of Gold Modified Tungsten Tip for Tip-enhanced Raman Spectroscopy[J]. Acta Metrologica Sinica, 2020, 41(12): 1456-1460.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.12.02 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I12/1456

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