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Chemical state tuning of surface Ce species on pristine CeO2 with 2400% boosting in peroxidase-like activity for
Jieru Zhang1, Zicong Tan, Wanying Leng
1Department of Chemistry, City University of Hong Kong, Hong Kong, China. ykpeng@cityu.edu.hk.
Chemical Communications (Cambridge, England)
|June 12, 2020
Abstract:
We demonstrate that the Ce reactivity of CeO2 towards H2O2 is dictated by its local structure and electron density. More than 2400% increase in peroxidase-like activity has been achieved on the (100) surface for glucose detection due to the promoted H2O2 adsorption and subsequent activation by the electron-rich Ce species.
