Rudakemwa Hubert, Kim Ki Jun, Park Tae Eun, Son Hyeryeon, Na Jaedo, Kwon Seong Jung
Department of Chemistry, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea.
Nanomaterials (Basel). 2022 Sep 7;12(18):3095. doi: 10.3390/nano12183095.
Collision (or impact) of single palladium nanoparticles (Pd NPs) on gold (Au), copper (Cu), nickel (Ni), and platinum (Pt) ultramicroelectrodes (UMEs) were investigated via electrocatalytic amplification method. Unlike the blip responses of previous Pd NP collision studies, the staircase current response was obtained with the Au UME. The current response, including collision frequency and peak magnitude, was analyzed depending on the material of the UME and the applied potential. Adsorption factors implying the interaction between the Pd NP and the UMEs are suggested based on the experimental results.
通过电催化放大方法研究了单个钯纳米颗粒（Pd NPs）与金（Au）、铜（Cu）、镍（Ni）和铂（Pt）超微电极（UMEs）的碰撞（或撞击）。与先前Pd NP碰撞研究中的尖峰响应不同，在金超微电极上获得了阶梯状电流响应。根据超微电极的材料和施加的电位，分析了包括碰撞频率和峰值幅度在内的电流响应。基于实验结果，提出了暗示Pd NP与超微电极之间相互作用的吸附因子。
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