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

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Chemical state tuning of surface Ce species on pristine CeO2 with 2400% boosting in peroxidase-like activity for glucose detection.
Chemical Communications ( IF 4.3 ) Pub Date : 2020-06-03 , DOI: 10.1039/d0cc02351e
Jieru Zhang ₁ , Zicong Tan , Wanying Leng , Yu-Cheng Chen , Shiqing Zhang , Benedict T W Lo , Ken Kin Lam Yung , Yung-Kang Peng

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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.

中文翻译：

对原始CeO2上的表面Ce物种进行化学状态调节，可提高2400％的过氧化物酶样活性来检测葡萄糖。

我们证明了CeO ₂对H ₂ O ₂的Ce反应性由其局部结构和电子密度决定。由于促进的H ₂ O ₂吸附和随后的富电子Ce物种的活化，在（100）表面用于葡萄糖检测的过氧化物酶样活性增加了2400％以上。

更新日期：2020-07-17

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