New Insight into the Origin of the Red/Near-Infrared Intense Fluorescence of a Crystalline 2-Hydroxychalcone Derivative: A Comprehensive Picture from the Excited-State Femtosecond Dynamics
Fluorescence upconversion and transient absorption techniques are used to explain the source of the intense red/near-infrared emission of crystalline 4-dimethylamino-2′-hydroxychalcone. We found that the initially excited enol form undergoes tautomerization in 3 ps to form the keto tautomer. The lat...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
American Chemical Society
2017
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/18861/ http://dx.doi.org/10.1021/acs.jpclett.7b02601 |
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