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Chemical state tuning of surface Ce species on pristine CeO2 with 2400% boosting in peroxidase-like activity for glucose detection

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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.

Graphical abstract: Chemical state tuning of surface Ce species on pristine CeO2 with 2400% boosting in peroxidase-like activity for glucose detection

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Article information


Submitted
01 Apr 2020
Accepted
03 Jun 2020
First published
03 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Chemical state tuning of surface Ce species on pristine CeO2 with 2400% boosting in peroxidase-like activity for glucose detection

J. Zhang, Z. Tan, W. Leng, Y. Chen, S. Zhang, B. T. W. Lo, K. K. L. Yung and Y. Peng, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC02351E

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