期刊
DYES AND PIGMENTS
卷 175, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2019.108111
关键词
Aggregation induced emission; Intramolecular charge transfer; Hydrazine (N2H4); Density functional theory; Fluorescent probe
资金
- Long Yuan Youth Innovative and Entrepreneurial Talents Project the Key Talent Projects of Gansu Province [2019-39, 21562036]
- Research Project of Higher Education in Gansu Province [2018A-004]
A multifunctional luminescent material (BC-B) was synthesized, which exhibits aggregation-induced emission (AIE) enhancement property in high water fraction. The ME shows a significant impact on the intramolecular charge transfer (ICT) process by controlling intramolecular motion. The above result is demonstrated by density functional theory (DFT) calculations and single-crystal X-ray diffraction. To decrease the influence of AIE on ICT, the probe BC-B is exploited as turn-on fluorescent probe for hydrazine (N2H4) in DMSO/PBS buffer (6/4, v/v) and displays high sensitivity and selectivity. Besides, the fluorescence emission shows a good linear response (R-2 = 0.9960) in the range of 0-35 mu M with the low detection limit of 1.29 ppb, which is significantly below the acceptable limit for hydrazine (10 ppb) set by the USEPA.
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