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Silver nanoparticles modified with photoresponsive azobenzene thiol ligands are prepared and the interaction between them has been investigated through photoisomerization behaviour by UV–vis spectroscopy. Upon irradiation with UV light at 365 nm, an increase of the absorbance centered at 445 nm corresponding to the n–π* transition band of cis azobenzene isomers is observed for azobenzene solution...
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