Raghuvanshi, Ashutosh ; Jha, Ajay Kumar ; Sharma, Ashutosh ; Umar, Shahida ; Mishra, Shachi ; Kant, Ruchir ; Goel, Atul (2017) A Nonarchetypal 5,6-Dihydro-2H -pyrano[3,2-g ]indolizine-Based Solution-Solid Dual Emissive AIEgen with Multicolor Tunability Chemistry - A European Journal, 23 (19). pp. 4527-4531. ISSN 0947-6539
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Official URL: http://doi.org/10.1002/chem.201605844
Related URL: http://dx.doi.org/10.1002/chem.201605844
Abstract
Screening of a chemical library of pyranones and their ring transformed fluorophores led to the discovery of a novel 5,6-dihydro-2H-pyrano[3,2-g]indolizine (DPI) class of the luminogen DPI 7, which exhibited unique solution-solid dual emission (SSDE) behavior with an emission color shift from bright-green in solution to a strong red emission in the solid state. The AIE mechanism of these luminogens revealed a well-defined set of noncovalent interactions (CH⋅⋅⋅O and CH⋅⋅⋅N) that block the motion of C2 -flexure leading to restriction of intramolecular vibrations (RIV) in the solid state. DPI-7 is the first example of solution-solid dual emissive RIV-based AIEgen, which has great potential both in biomedical imaging and optoelectronic fields.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley & Sons, Inc. |
| Keywords: | Aggregation-induced Emission; Chromophores; Fluorescence; Noncovalent Interactions; Restriction Of Intramolecular Vibration. |
| ID Code: | 117867 |
| Deposited On: | 05 May 2021 12:56 |
| Last Modified: | 05 May 2021 12:56 |
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