Title

Probing environmentally significant surface radicals: Crystallographic and temperature dependent adsorption of phenol on ZnO

Document Type

Article

Publication Date

8-26-2015

Abstract

Environmentally persistent free radicals (EPFRs) are toxic organic/metal oxide composite particles that have been discovered to form from substituted benzenes chemisorbed to metal oxides. Here, we perform photoelectron spectroscopy, electron energy loss spectroscopy, and low energy electron diffraction of phenol chemisorbed to ZnO(1010) and (0001)-Zn to observe electronic structure changes and charge transfer as a function adsorption temperature. We show direct evidence of charge transfer from the ZnO surfaces to the phenol. This evidence can help gain a better understanding of EPFRs and be used to develop possible future remediation strategies.

Publication Source (Journal or Book title)

Chemical Physics Letters

First Page

56

Last Page

60

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