Journal
JOURNAL OF FLUORESCENCE
Volume 23, Issue 1, Pages 13-19Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-012-1118-1
Keywords
Rhodamine; Sensors; Fe3+; 1,2,4-triazoles
Funding
- National Science Foundation of China [20972143, 20972130]
- Program for New Century Excellent Talents in University [NCET-11-0950]
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A novel series colorimetric and off-on fluorescent chemosensors (2a, 2b, 2c) were designed and synthesized, which showed reversible and highly selective and sensitive recognition toward Fe3+ over other examined metal ions. Upon addition of Fe3+, sensors (2a, 2b) exhibit remarkably and 2c exhibits moderate enhanced absorbance intensity and color change from colorless to pink in CH3OH-H2O(1:1, v/v). The three compounds (2a, 2b, 2c) may therefore be applicable as rhodamine-based turn-on type fluorescent chemosensors.
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