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Photochromic Terbium Phosphonates with Photomodulated Luminescence and Metal Ion Sensitive Detection
Author(s) -
Yang Weiting,
Tian HongRui,
Li JianPing,
Hui YuanFeng,
He Xiang,
Li Jiyang,
Dang Song,
Xie Zhigang,
Sun ZhongMing
Publication year - 2016
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.201602779
Subject(s) - photochromism , terbium , luminescence , phosphonate , photoluminescence , photochemistry , lanthanide , materials science , fluorescence , electron transfer , metal ions in aqueous solution , linker , metal organic framework , metal , photoinduced electron transfer , ion , chemistry , nanotechnology , optoelectronics , organic chemistry , optics , physics , adsorption , metallurgy , computer science , operating system
Rational selection and modification of rare earth metal centers and photoactive organic linkers enables designable multiphotofunctionality to come to fruition in new hybrid coordination polymer materials. By using a viologen‐functionalized diphosphonate linker, two terbium phosphonate compounds ( Tb‐1 and Tb‐2 ) have been constructed, which display reversible photochromic reactions in response to UV light and soft X‐ray irradiation. In addition, the photo‐induced electron‐transfer reaction can modulate the luminescent emission to thus realize photoluminescence switching behavior. Furthermore, both terbium phosphonates can serve as highly sensitive sensors to probe Cu 2+ in solution through their luminescence. Thus, they represent the first photochromic examples of lanthanide phosphonate‐based materials with photomodulated luminescence and sensitive detection of metal ions.