Dyes and Pigments p. 341 - 347 (2018)
Update date:2022-08-24
Topics:
Yang, Shun
Liu, Jing
Cao, Zhanqi
Li, Mingming
Luo, Qianfu
Qu, Dahui
A novel photochromic fluorescent DASA (donor-acceptor Stenhouse adduct) switch controlled by visible light was successfully designed and synthesized. Using 1,8-naphthalimide fluorophore in combination with indoline-based “donor” and barbituric acid “acceptor”, the DASA molecule exhibits two independent absorption bands at 440 nm and 616 nm. The physical and thermodynamic properties of fluorescent donor-acceptor Stenhouse adduct (DASA-NDI) have been investigated in different solvents. In accordance with the unique fluorescent properties under visible light/heat and H+/Cu2+, using fluorescence intensity at 604 nm (I604) as an output and visible light, H+ and Cu2+ as inputs, a combinatorial logic gate consisting of NOR and AND logics can be described and operated.
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