Anthracene‐Fused Oligo‐BODIPYs: A New Class of π‐Extended NIR‐Absorbing Materials

Large π‐conjugated systems are key in the area of molecular materials. Herein, we prepare via AuI‐catalyzed cyclization a series of fully π‐conjugated anthracene‐fused oligo‐BODIPYs. Their structural and optoelectronic properties were studied by several techniques, ranging from X‐ray, UV/Vis, and cy...

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Published in:Angewandte Chemie International Edition 2023-01, Vol.62 (5), p.e202214543-n/a
Main Authors: Labella, Jorge, Durán‐Sampedro, Gonzalo, Krishna, Swathi, Martínez‐Díaz, M. Victoria, Guldi, Dirk M., Torres, Tomás
Format: Article
Language:English
Subjects:
Absorption spectroscopy
Anthracene
BODIPY
Conjugation
Density functional theory
Dyes/Pigments
Fluorescence
NIR
Optoelectronics
π-Systems
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Torres, Tomás
description Large π‐conjugated systems are key in the area of molecular materials. Herein, we prepare via AuI‐catalyzed cyclization a series of fully π‐conjugated anthracene‐fused oligo‐BODIPYs. Their structural and optoelectronic properties were studied by several techniques, ranging from X‐ray, UV/Vis, and cyclic voltammetry to transient absorption spectroscopy. As a complement, their electronic structures were explored by means of Density Functional Theory (DFT) calculations. Depending on the size and shape of the π‐conjugated skeleton, unique features—such as face‐to‐face supramolecular organization, NIR absorption and fluorescence as well as strong electron accepting character—were noted. All in all, the aforementioned features render them valuable for technological applications. AuI‐catalyzed cyclization has been used to prepare a series of fully π‐conjugated anthracene‐fused oligo‐BODIPYs. The size and shape of the π‐conjugated skeleton determines the unique features of the compounds—such as their face‐to‐face supramolecular organization, NIR absorption and fluorescence as well as strong electron accepting character.
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source Wiley-Blackwell Journals
subjects Absorption spectroscopy
Anthracene
BODIPY
Conjugation
Density functional theory
Dyes/Pigments
Fluorescence
NIR
Optoelectronics
π-Systems
title Anthracene‐Fused Oligo‐BODIPYs: A New Class of π‐Extended NIR‐Absorbing Materials
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