title: Tetrazine functionalized zirconium MOF as an optical sensor for oxidizing gases.
abstract: Dihydro-1,2,4,5-tetrazine-3,6-dicarboxylate was introduced into the chemically stable UiO-66 structure by a postsynthetic linker exchange reaction to create an optical sensor material for the detection of oxidative agents such as nitrous gases. The incorporated tetrazine unit can be reversibly oxidized and reduced, which is accompanied by a drastic colour change from yellow to pink and vice versa. The high stability of the framework during redox reaction was proven by powder X-ray diffraction and nitrogen physisorption measurements.
authors.affiliation: Department of Inorganic Chemistry, Technische Universität Dresden, Bergstraße 66, D-01069 Dresden, Germany. stefan.kaskel@chemie.tu-dresden.de.
authors.forename: Georg
authors.initials: G
authors.lastname: Nickerl
authors.forename: Irena
authors.initials: I
authors.lastname: Senkovska
authors.forename: Stefan
authors.initials: S
authors.lastname: Kaskel