Heterogeneous Catalysis “On Demand”: Mechanically Controlled Catalytic Activity of a Metal Surface

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Title
Heterogeneous Catalysis “On Demand”: Mechanically Controlled Catalytic Activity of a Metal Surface
Author(s)
Tomasz Mazur; Slawomir Lach; Bartosz A. Grzybowski
Publication Date
2017-11
Journal
ACS APPLIED MATERIALS & INTERFACES, v.9, no.51, pp.44264 - 44269
Publisher
AMER CHEMICAL SOC
Abstract
A metal surface passivated with a tightly packed self-assembled monolayer (SAM) can be made catalytically active upon the metal’s mechanical deformation. This deformation renders the SAM sparser and exposes additional catalytic sites on the metal’s surface. If the deformation is elastic, return of the metal to the original shape “heals” the SAM and nearly extinguishes the catalytic activity. Kelvin probe force microscopy and theoretical considerations both indicate that the catalytic domains “opening up” in the deformed SAM are of nanoscopic dimensions. © 2017 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/4225
ISSN
1944-8244
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
Files in This Item:
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