Synthesis and electronic properties of carbazole-based core-modified diporphyrins showing near infrared absorption

Directly linked carbazole-based core-modified diporphyrin D2 and fused diporphyrin F2 were synthesized. These diporphyrins showed significant electronic interactions and conjugation allowing for redshifted near infrared (NIR) absorption and small HOMO-LUMO gaps as confirmed by NIR absorption spectro...

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Published in:Chemical communications (Cambridge, England) England), 2020-12, Vol.56 (95), p.1548-1551
Main Authors: Maeda, Chihiro, Shirakawa, Takuma, Ema, Tadashi
Format: Article
Language:English
Subjects:
Carbazoles
Conjugation
Infrared absorption
Molecular orbitals
Near infrared radiation
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description Directly linked carbazole-based core-modified diporphyrin D2 and fused diporphyrin F2 were synthesized. These diporphyrins showed significant electronic interactions and conjugation allowing for redshifted near infrared (NIR) absorption and small HOMO-LUMO gaps as confirmed by NIR absorption spectroscopy, cyclic voltammetry (CV) measurements, and DFT calculations. A highly conjugated carbazole-based fused diporphyrin shows NIR absorption.
doi_str_mv 10.1039/d0cc06289h
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subjects Carbazoles
Conjugation
Infrared absorption
Molecular orbitals
Near infrared radiation
title Synthesis and electronic properties of carbazole-based core-modified diporphyrins showing near infrared absorption
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