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A Facile Strategy for the Construction of Purely Organic Optical Sensors Capable of Distinguishing D 2 O from H 2 O
Author(s) -
Luo Yanju,
Li Chuan,
Zhu Wencheng,
Zheng Xujun,
Huang Yan,
Lu Zhiyun
Publication year - 2019
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201900806
Subject(s) - fluorescence , naked eye , chromophore , chemistry , analytical chemistry (journal) , materials science , photochemistry , physics , optics , organic chemistry
Abstract Owing to the quite similar chemical properties of H 2 O and D 2 O, rational molecular design of D 2 O optical sensors has not been realized so far. Now purely organic chromophores bearing OH groups with appropriate p K a values are shown to display distinctly different optical responding properties toward D 2 O and H 2 O owing to the slight difference in acidity between D 2 O and H 2 O. This discovery is a new and facile strategy for the construction of D 2 O optical sensors. Through this strategy, ratiometric colorimetric D 2 O sensor of NIM‐2F and colorimetric/fluorescent dual‐channel D 2 O sensor of AF were acquired successfully. Both NIM‐2F and AF can not only qualitatively distinguish D 2 O from H 2 O by the naked eye, but also quantitatively detect the H 2 O content in D 2 O.