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X-WR-CALNAME:Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
X-ORIGINAL-URL:https://ece.hku.hk
X-WR-CALDESC:Events for Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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TZID:Asia/Hong_Kong
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DTSTART:20220101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20231212
DTEND;VALUE=DATE:20231213
DTSTAMP:20260513T073708
CREATED:20231204T090338Z
LAST-MODIFIED:20250114T075949Z
UID:17868-1702339200-1702425599@ece.hku.hk
SUMMARY:Visualization of interfacial electrochemistry using a glass pipette
DESCRIPTION:Electrocatalysis has never been more important than today\, with electrochemistry finding renewed interest in the future of renewable energy. Conventional evaluation of nanoparticular catalysts are based on macroscopic measurement of the composite electrodes\, where conductive agents and binders are integrated. Structural and compositional heterogeneity further obscures the definitive understanding of structure-activity relation. Therefore\, investigation of electrochemical process with correlative imaging and at nanoscale become urgent. In this talk\, we are going to introduce our study of single particle electrochemistry using the scanning electrochemical cell microscopy\, where a small pipette is utilized to confine reaction medium. Particles from individual nanocrystals to superlattices and gas bubbles associated with gas evolution reaction at electrode surface will be covered. \nBiography of the speaker: \nDr. Chen obtained his bachelor degree in Sichuan University (2008) and PhD in the Chinese University of Hong Kong (2013). Then\, he had his postdoctoral with Professor Henry White in University of Utah\, and with Professor Allen Bard in the University of Texas at Austin. He joined Donghua University in 2017\, starting his independent work in the area of nanoelectrochemistry and electrochemical mapping. He has published over 40 articles in international journals including PNAS\, JACS\, Angew. Chem. Int. Ed\, Anal. Chem. He has received Second Prize of Natural Science Award in Chinese Society of Particuology (2022)\, National Ten Thousand Talent Program for Young Top-Notch Talent (2023).
URL:https://ece.hku.hk/events/visualization-of-interfacial-electrochemistry-using-a-glass-pipette/
CATEGORIES:Seminar
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