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Surface-adsorbed ions on TiO2 nanosheets for selective photocatalytic CO2 reduction

机译:TiO2纳米片上的表面吸附离子用于选择性光催化还原CO2

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摘要

A method based on the adsorption of ions on the surface of two-dimensional (2D) nanosheets has been developed for photocatalytic CO2 reduction.Isolated Bi ions,confined on the surface of TiO2 nanosheets using a simple ionic adsorption method facilitate the formation of a built-in electric field that effectively promotes charge carrier separation.This leads to an improved performance of the photocatalytic CO2 reduction process with the preferred conversion to CH4.The proposed surface ion-adsorption method is expected to provide an effective approach for the design of highly efficient photocatalytic systems.These findings could be very valuable in photocatalytic CO2 reduction applications.
机译:已经开发了一种基于离子在二维(2D)纳米片表面上吸附的方法来进行光催化CO2还原。使用简单的离子吸附方法将孤立的Bi离子限制在TiO2纳米片的表面上有助于形成一个电场有效地促进了载流子的分离,从而提高了光催化CO2还原过程的性能,并优选转化为CH4。拟议中的表面离子吸附法有望为高效设计提供有效途径这些发现在光催化二氧化碳还原应用中可能非常有价值。

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  • 来源
    《纳米研究(英文版)》 |2018年第6期|3362-3370|共9页
  • 作者单位

    Hefei National Laboratory for Physical Sciences at the Microscale, iChEM(Collaborative Innovation Center of Chemistry for Energy Materials), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China,Hefei 230026, China;

    Hefei National Laboratory for Physical Sciences at the Microscale, iChEM(Collaborative Innovation Center of Chemistry for Energy Materials), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China,Hefei 230026, China;

    International Center for Quantum Design of Functional Materials(ICQD), Hefei National Laboratory for Physical Sciences at the Microscale(HFNL), Synergetic Innovation Center of Quantum Information and Quantum Physics, Department of Physics, and Key Laboratory of Strongly-Coupled Quantum Matter Physics, Chinese Academy of Sciences, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China;

    International Center for Quantum Design of Functional Materials(ICQD), Hefei National Laboratory for Physical Sciences at the Microscale(HFNL), Synergetic Innovation Center of Quantum Information and Quantum Physics, Department of Physics, and Key Laboratory of Strongly-Coupled Quantum Matter Physics, Chinese Academy of Sciences, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China;

    National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China;

    Hefei National Laboratory for Physical Sciences at the Microscale, iChEM(Collaborative Innovation Center of Chemistry for Energy Materials), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China,Hefei 230026, China;

    Hefei National Laboratory for Physical Sciences at the Microscale, iChEM(Collaborative Innovation Center of Chemistry for Energy Materials), and CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China,Hefei 230026, China;

  • 收录信息 中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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  • 入库时间 2022-08-19 03:47:26
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