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Functional Covalent Layer-by-Layer Thin Films by [2 + 2] Cycloaddition–Retroelectrocyclization
journal contributionposted on 2018-06-06, 12:49 authored by Hiroyuki Fujita, Tsuyoshi Michinobu
Covalent layer-by-layer (LbL) thin films with the well-defined charge-transfer (CT) chromophores were fabricated by the highly efficient [2 + 2] cycloaddition–retroelectrocyclization (CA–RE) reaction between the dialkylaniline-substituted alkynes and 7,7,8,8-tetracyanoquinodimethane (TCNQ) moieties. The resulting thin films showed potent redox activities and Ag+ ion sensing ability due to the formed CT chromophores.