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Electrochem, Volume 2, Issue 1

March 2021 - 12 articles

Cover Story: The nanocrystalline Ni-Co alloys are electrodeposited with a sulfamate bath. The addition of NiBr2 and a surface brightener (NSF-E) into the bath leads to an increase in the Co content (up to 65 at.%) in the alloy as well as the grain refinement effect (roughly 14 nm). The Ni-Co alloys show higher microhardness than pure Ni and Co deposits prepared under the same condition, which reveals the solid solution strengthening effect. With a decrease in the grain size, the microhardness of the alloy further increases, and this trend follows the Hall–Petch relationship well, which indicates the grain boundary strengthening effect. Moreover, the dependency of microhardness is confirmed to be higher on the grain size than on the Co content. View this paper.

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Review

44 Citations

5,882 Views

19 Pages

Nanostructure-Based Electrochemical Immunosensors as Diagnostic Tools

Rosaceleste Zumpano,
Francesca Polli,
Cristine D’Agostino,
Riccarda Antiochia,
Gabriele Favero and
Franco Mazzei

Electrochem2021, 2(1), 10-28;https://doi.org/10.3390/electrochem2010002

14 January 2021

Electrochemical immunosensors are affinity-based biosensors characterized by several useful features such as specificity, miniaturizability, low cost and simplicity, making them very interesting for many applications in several scientific fields. One...

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Article

11 Citations

5,980 Views

9 Pages

Electrodeposition of Ni-Co Alloys and Their Mechanical Properties by Micro-Vickers Hardness Test

Yiming Jiang,
Chun-Yi Chen,
Tso-Fu Mark Chang,
Xun Luo,
Daisuke Yamane and
Masato Sone

Electrochem2021, 2(1), 1-9;https://doi.org/10.3390/electrochem2010001

24 December 2020

Nanocrystalline Ni-Co alloy deposits with grain sizes less than 30 nm were produced by electrodeposition with a direct current in a sulfamate bath. Surfaces of the Ni-Co alloy deposits showed granular morphology. The size of the granular particles an...

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Electrochem - ISSN 2673-3293

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