A recognition-gated azobenzene photoswitch†,New Journal of Chemistry

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A recognition-gated azobenzene photoswitch†
New Journal of Chemistry ( IF 2.7 ) Pub Date : 2018-03-15 00:00:00 , DOI: 10.1039/c8nj00025e
Yu Ouyang _{1,

2,

3,

4} , Ziyong Yuan _{1,

2,

3,

4} , Jiaobing Wang _{1,

2,

3,

4}

Affiliation

We describe a push–pull azobenzene derivative whose photoswitching can be regulated by molecular recognition. Complexation of the tetra-amide receptor with a Hg²⁺ ion blocks an intramolecular charge transfer (ICT) excited state, thereby gating the population of a π–π* excited state, which is responsible for the photoswitching.

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