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. 2021 May 4;57(36):4420-4423.
doi: 10.1039/d1cc00868d.

Double intramolecular hydrogen transfer assisted dual emission in a carbazole-embedded porphyrin-like macrocycle

Arumugan Kalaiselvan  1 , Aswini Spergen  1 , Isukapalli Sai Vamsi Krishna  1 , Vennapusa Sivaranjana Reddy  1 , Sabapathi Gokulnath  1
Affiliations

Double intramolecular hydrogen transfer assisted dual emission in a carbazole-embedded porphyrin-like macrocycle

Arumugan Kalaiselvan et al. Chem Commun (Camb). .

Abstract

The introduction of a pyrrole ring at one of the meso positions of carbazole-based porphyrins lowers the structural symmetry and results in dual emission, which strongly depends on the excitation wavelength and temperature. The origin of dual emission induced by NH-tautomerism is confirmed via photophysical and DFT calculations.

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