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Li, Peng; Sui, Qi; Guo, Meng-Yue; Yang, Shuai-Liang; Bu, Ran; Gao, En-Qing
Chemical communications (Cambridge, England), 06/2020, Letnik: 56, Številka: 44Journal Article
The Zn( ii ) MOF with a tripyridinium-based hexacarboxylate shows direct color change on exposure to small primary amines and UV-assisted color response on exposure to small alcohols. The reversible, group-specific and size-selective chemochromic/chemophotochromic behaviours are ascribed to spontaneous/photoinduced guest-to-host electron transfer within the unique confined space furnished with electron-deficient sites. The MOF provides unique confined space furnished with electron acceptor sites, and exposure to amines/alcohols causes specific and size-selective direct/UV-assisted color change owing to spontaneous/photoinduced electron transfer.
