Turning a porous material's color on and off with acid -- K Trade Fair

Turning a porous material's color on and off with acid

Image of the created hydrogen-bonding organic framework CPHATN-(TCB) (left), and its activated version, CPHATN-1a (right). Photo credit: Hisaki I. et al., Acid Responsive Hydrogen-Bonded Organic Frameworks, Journal of the American Chemical Society, January 7, 2019.)

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