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首页> 外文期刊>Advanced Functional Materials >Covalent Organic Framework Hosting Metalloporphyrin- Based Carbon Dots for Visible-Light-Driven Selective CO_2 Reduction
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Covalent Organic Framework Hosting Metalloporphyrin- Based Carbon Dots for Visible-Light-Driven Selective CO_2 Reduction

机译：共价有机框架托管基于金属卟啉的碳点，用于可见光选择性的选择性CO_2

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摘要

The visible-light-driven photocatalytic CO(2)reduction is one appealing approach to simultaneously mitigate the energy crisis and environmental issues. It is highly desirable but challenging to selectively and efficiently convert CO(2)into desirable products. Herein, a covalent organic framework hosting metalloporphyrin-based carbon dots (M-PCD@TD-COF, M = Ni, Co, and Fe) is first presented, which serves as heterogeneous catalysts for CO(2)photoreduction. M-PCD@TD-COF not only enriches available COF-based catalytic materials, but also provides suitable environment for CO(2)adsorption and activation on metalloporphyrin-based carbon dots. The advantages of the host environment in COFs are highlighted by the satisfactory catalytic activity and remarkable selectivity of CO2-to-CO conversion over H(2)generation up to 98%. The photocatalytic system is effective for both pure CO(2)and the simulated flue gas. This work provides new protocols for the rational design of COF-based heterogeneous catalysts for selective CO(2)photoreduction.
机译：可见光触发的光催化CO（2）减少是一种吸引力的方法，可以同时减轻能源危机和环境问题。非常理想但挑战，选择性和有效地将CO（2）转化为理想的产品。在此，首先呈现托管金属卟啉基碳点（M-PCD @ TD-COF，M = Ni，CO和Fe）的共价有机框架，其用作CO（2）光电的非均相催化剂。 M-PCD @ TD-COF不仅丰富可用的基于COF的催化材料，还提供合适的CO（2）对金属卟啉基碳点的吸附和活化环境。 COF中宿主环境的优点是通过令人满意的催化活性，并且CO 2-TO-CO转化率的显着选择性突出至H（2）产生高达98％。光催化系统对纯CO（2）和模拟烟道气有效。该作品为选择性CO（2）光电的基于COF基异质催化剂的合理设计提供了新的协议。

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  • 来源
    《Advanced Functional Materials》 |2020年第35期|2002654.1-2002654.8|共8页
  • 作者

    Zhong Hong; Sa Rongjian; Lv Haowei; Yang Shuailong; Yuan Daqiang; Wang Xinchen; Wang Ruihu;

  • 作者单位

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Minjiang Univ Ocean Coll Inst Oceanog Fuzhou 350108 Fujian Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Fuzhou Univ Coll Chem State Key Lab Photocatalysis Energy & Environm Fuzhou 350108 Fujian Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    carbon dots; CO(2)reduction; covalent organic frameworks; photocatalysis; porous materials;

    机译：碳点;CO（2）减少;共价有机框架;光催化;多孔材料;

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