New in situ description of electrodepositing multiple nucleation processes under galvanostatic stimuli,RSC Advances

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New in situ description of electrodepositing multiple nucleation processes under galvanostatic stimuli
RSC Advances ( IF 3.9 ) Pub Date : 2021-09-24 , DOI: 10.1039/d1ra04988g
Yuan Yuan ₁ , Gong Luo _{1,

2} , Ning Li ₁

Affiliation

Chronoamperometry was used to investigate phase transformations at the early stage of electrodeposition under potentiostatic stimuli. Whilst electrodeposition mostly occurs under galvanostatic stimuli, this work provides a new in situ description using chronopotentiometry to analyse phase transformations during electrodeposition. With theoretical Ohm's law electro-relationship formula derivation, a non-dimensional plot between (ΔE_min/ΔE_T)² and t/t_m was established similar to (I_t/I_max)² vs. t/t_m in the SH model. The non-dimensional plots were verified by the chronopotentiometry curve during gold electrodeposition. This work provides a new method of investigating phase transformation using chronopotentiometry during electrodeposition.

中文翻译：

恒电流刺激下电沉积多重成核过程的新原位描述

计时安培法用于研究恒电位刺激下电沉积早期阶段的相变。虽然电沉积主要发生在恒电流刺激下，但这项工作提供了一种新的原位描述，使用计时电位法来分析电沉积过程中的相变。通过理论欧姆定律电关系公式推导，建立了 (Δ E _min / Δ E _T ) ²和t / t _m之间的无量纲图，类似于 ( It / I _max ) ²与 t / t _{m 的}_关系SH 模型。无量纲图通过金电沉积过程中的计时电位曲线进行验证。这项工作提供了一种在电沉积过程中使用计时电位法研究相变的新方法。

更新日期：2021-09-24

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