4.8 Article

Reversible Alteration of CO2 Adsorption upon Photochemical or Thermal Treatment in a Metal-Organic Framework

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 1, Pages 99-102

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja209197f

Keywords

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Funding

  1. U.S. Department of Energy (DOE) [DE-SC0001015, DE-AR0000073]
  2. National Science Foundation (NSF) [CBET-0930079]
  3. Welch Foundation [A-1725]
  4. Div Of Chem, Bioeng, Env, & Transp Sys
  5. Directorate For Engineering [0930079] Funding Source: National Science Foundation

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A metal-organic framework (MOF) for reversible alteration of guest molecule adsorption, here carbon dioxide, upon photochemical or thermal treatment has been discovered. An azobenzene functional group, which can switch its conformation upon light irradiation or heat treatment, has been introduced to the organic linker of a MOF. The resulting MOF adsorbs different amount of CO2 after UV or heat treatment. This remarkable stimuli-responsive adsorption effect has been demonstrated through experiments.

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