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A facile fabrication procedure for platinum nanoprobes with high-aspect-ratio and low tip radii via electrochemical etching
Review of Scientific Instruments ( IF 1.3 ) Pub Date : 2020-03-01 , DOI: 10.1063/1.5128653
J. Zhang 1 , Y. Gonzalez 1 , R. Sany 2 , A. Ruediger 1
Affiliation  

Herein, we propose a facile fabrication procedure for platinum (Pt) nanoprobes. Our approach consists in performing a one-step electrochemical etching using a mixture of DI water, acetone, and CaCl2. Our technique is self-terminated and thus does not necessitate a cut-off circuit nor other sophisticated equipment or set-up commonly used in the fabrication process of Pt nanoprobes. The Pt nanoprobes thereby manufactured demonstrate small tip radii, a high aspect-ratio, no detectable surface contamination, and good reproducibility.

中文翻译:

通过电化学蚀刻制备具有高纵横比和低尖端半径的铂纳米探针的简便方法

在此,我们提出了一种用于铂 (Pt) 纳米探针的简便制造程序。我们的方法包括使用去离子水、丙酮和 CaCl2 的混合物进行一步电化学蚀刻。我们的技术是自终止的,因此不需要截止电路,也不需要其他复杂的设备或 Pt 纳米探针制造过程中常用的设置。由此制造的 Pt​​ 纳米探针显示出小尖端半径、高纵横比、没有可检测的表面污染和良好的再现性。
更新日期:2020-03-01
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