The odd–even effect of alkyl chain in organic room temperature phosphorescence luminogens and the corresponding in vivo imaging?
Materials Chemistry Frontiers Pub Date: 2019-04-02 DOI: 10.1039/C9QM00108E
Abstract
The odd–even effect is utilized to rationally design organic luminogens with the room temperature phosphorescence (RTP) effect. By just simply modifying the different alkyl substituents, the phenothiazine 5,5-dioxide derivatives exhibit totally different RTP properties, with the best performance achieved by CS-C3H7 having a phosphorescence lifetime of up to 327 ms. Furthermore, excitation-free phosphorescence imaging in living mice has been successfully realized, opening up a new avenue to promote the RTP effect in purely organic luminogens as well as the corresponding application in bio-imaging.
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Journal Name：Materials Chemistry Frontiers
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CAS no.: 89640-58-4
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