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Visible-light-induced photocatalytic CO_(2)reduction over zirconium metal organic frameworks modified with different functional groups

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Journal of Environmental Sciences 2023年第10期132卷 22-30页

作者： Yuexian Du Guang’an Jie Huilin Jia Jiahui Liu Jieyu Wu Yanghe Fu Fumin Zhang Weidong Zhu Maohong Fan Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Institute of Physical ChemistryZhejiang Normal UniversityJinhua 321004China Zhejiang Engineering Laboratory for Green Syntheses and Applications of Fluorine-Containing Specialty Chemicals Institute of Advanced Fluorine-Containing MaterialsZhejiang Normal UniversityJinhua 321004China Department of Chemical and Petroleum Engineering University of WyomingLaramieWY 82071USA

The reduction of CO_(2)into high value-added chemicals and fuels by a photocatalytic technology can relieve energy shortages and the environmental problems caused by greenhouse *** the current work,an amino-functionalized zirconium metal organic framework(Zr-MOF)was covalently modified with different functional groups via the condensation of Zr-MOF with 2-pyridinecarboxaldehyde(PA),salicylaldehyde(SA),benzaldehyde(BA),and trifluoroacetic acid(TA),named Zr-MOF-X(X=PA,SA,BA,and TA),respectively,through the post-synthesis *** with Zr-MOF and Zr-MOF-TA,the introduction of PA,SA,or BA into the framework of Zr-MOF can not only enhance the visible-light harvesting and CO_(2)capture,but also accelerate the photogenerated charge separation and transfer,thereby improving the photocatalytic ability of Zr-MOF for CO_(2)*** results indicate that the modification of Zr-MOF with electron-donating groups can promote the photocatalytic CO_(2)***,the current work provides an instructive approach to improve the photocatalytic efficiency of CO_(2)reduction through the covalent modification of MOFs.

关键词： Photocatalysis CO_(2)reduction Metal organic frameworks post-synthesis modification Electric effect

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Crystalline framework nanosheets as platforms for functional materials

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矿物冶金与材料学报:英文版 2023年第10期30卷 1986-2005页

作者： Yun Fan Cheng Chen Siyao Zhang Suoying Zhang Fengwei Huo Weina Zhang Key Laboratory of Flexible Electronics(KLOFE)&Institute of Advanced Materials(IAM) Nanjing Tech UniversityNanjing 211816China

The integration of organic and inorganic materials has been widely used in various applications to generate novel functional nanomaterials characterized by unique *** crystalline framework nanosheets and their synergistic effects have been studied recently for possessing the advantages of functional species as well as crystalline framework ***,we have focused on the preparation methods and applications of functional crystalline framework nanosheets in this *** introduced crystalline framework nanosheets and discussed the importance of integrating functional species with nanosheets to form functional crystalline framework ***,two aspects of the preparation methods of functional crystalline framework nanosheets were reviewed:in situ synthesis and post-synthesis ***,we discussed the properties of the crystalline framework nanosheets combined with various functional species and summarized their applications in catalysis,sensing,separation,and energy ***,we have shared our insights on the challenges of functional crystalline framework nanosheets,hoping to contribute to the knowledge base for optimizing the preparation methods,expanding categories,improving stability,and exploring potential applications.

关键词： functional materials crystalline framework nanosheets in situ synthesis post-synthesis modification unique properties

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