A metal–organic cage with light-switchable motifs for controllable CO2 adsorption
Literature Information
Yao Jiang, Tao Yang, Xiao-Qin Liu, Peng Cui, Lin-Bing Sun
Light-switchable composites have great potential to enable processes that can be controlled on demand, which is difficult to achieve with conventional materials that have stationary structures and properties. Here, we present a light-switchable metal–organic cage, NUT-102, structurally incorporated with pendant azobenzene groups for controllable CO2 capture. Upon visible light irradiation, the trans isomerization of the azobenzene groups exposes the pores of NUT-102 and favors CO2 adsorption. Conversely, upon ultraviolet light irradiation, the azobenzene groups undergo a conformation transformation from trans to cis isomerization, resulting in the sheltering of the pores and subsequently reducing CO2 adsorption. Significantly, the light-switchable modulated CO2 adsorption change amount can reach up to 65.2%. Moreover, density functional theory calculations further confirmed the controllable CO2 adsorption behavior in NUT-102. The present study provides new insights into the development of novel light-switchable adsorbents tailored for controllable CO2 adsorption.
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DOI: 10.1039/A705097F
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Journal of Materials Chemistry A

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment











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