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Redox‐Guest‐Induced Multimode Photoluminescence Switch for Sequential Logic Gates in a Photoactive Coordination Cage
Author(s) -
Wu Kai,
Hou YaJun,
Lu YuLin,
Fan YanZhong,
Fan YaNan,
Yu HuiJuan,
Li Kang,
Pan Mei,
Su ChengYong
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201901612
Subject(s) - photoluminescence , materials science , supramolecular chemistry , molecular switch , nanodevice , förster resonance energy transfer , optoelectronics , nanotechnology , chemistry , fluorescence , molecule , physics , organic chemistry , quantum mechanics
Molecular or supramolecular level photoluminescence (PL) modulation combining chemical and photonic input/output signals together in an integrated system can provide potential high‐density data memorizing and process functions intended for miniaturized devices and machines. Herein, a PL‐responsive supramolecular coordination cage has been demonstrated for complex interactions with redox‐active guests. PL signals of the cage can be switched and modulated by adding or retracting Fc derivatives or converting TTF into different oxidation states through chemical or photochemical pathways. As a result, reversible or stepwise PL responses are displayed by these host–guest systems because of the occurrence of photoinduced electron‐transfer (PET) or fluorescence resonance energy transfer (FREnT) processes, providing unique nanodevice models bearing off/on logic gates or memristor‐like sequential memory and Boolean operation functions.