Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core

A three-dimensional bay-annulated-indigo (BAI) tetramer has been prepared by appending BAI units onto a low-cost spiro[fluorene-9,9′-xanthene] (SFX) core. The target compound 4BAI-SFX exhibits strong and broad absorption in the visible region covering the range of 450~700 nm. The electroch...

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Main Authors: Bao-Yi Ren, Yan-Mei Tan, Chang-Liang Sun, Yong-Gang Sheng
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/24/19/3623
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author Bao-Yi Ren
Yan-Mei Tan
Chang-Liang Sun
Yong-Gang Sheng
author_facet Bao-Yi Ren
Yan-Mei Tan
Chang-Liang Sun
Yong-Gang Sheng
author_sort Bao-Yi Ren
collection DOAJ
description A three-dimensional bay-annulated-indigo (BAI) tetramer has been prepared by appending BAI units onto a low-cost spiro[fluorene-9,9′-xanthene] (SFX) core. The target compound 4BAI-SFX exhibits strong and broad absorption in the visible region covering the range of 450~700 nm. The electrochemical measurement illuminates the characteristics of a deep lowest unoccupied molecular orbital (LUMO) level and multiple redox states of 4BAI-SFX. These results suggest that 4BAI-SFX should be a selectable electron-transporting material for eco-friendly organic semiconductors.
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spelling doaj.art-353746fe7c5b4ee2991ee092b6d0b1a42022-12-22T01:12:32ZengMDPI AGMolecules1420-30492019-10-012419362310.3390/molecules24193623molecules24193623Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] CoreBao-Yi Ren0Yan-Mei Tan1Chang-Liang Sun2Yong-Gang Sheng3College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, ChinaCollege of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, ChinaCollege of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, ChinaCollege of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, ChinaA three-dimensional bay-annulated-indigo (BAI) tetramer has been prepared by appending BAI units onto a low-cost spiro[fluorene-9,9′-xanthene] (SFX) core. The target compound 4BAI-SFX exhibits strong and broad absorption in the visible region covering the range of 450~700 nm. The electrochemical measurement illuminates the characteristics of a deep lowest unoccupied molecular orbital (LUMO) level and multiple redox states of 4BAI-SFX. These results suggest that 4BAI-SFX should be a selectable electron-transporting material for eco-friendly organic semiconductors.https://www.mdpi.com/1420-3049/24/19/3623bay-annulated indigospiro[fluorene-9,9′-xanthene]synthesisproperties
spellingShingle Bao-Yi Ren
Yan-Mei Tan
Chang-Liang Sun
Yong-Gang Sheng
Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core
Molecules
bay-annulated indigo
spiro[fluorene-9,9′-xanthene]
synthesis
properties
title Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core
title_full Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core
title_fullStr Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core
title_full_unstemmed Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core
title_short Synthesis and Properties of a Bay-Annulated-Indigo Tetramer Based on Low-Cost Spiro[Fluorene-9,9′-Xanthene] Core
title_sort synthesis and properties of a bay annulated indigo tetramer based on low cost spiro fluorene 9 9 xanthene core
topic bay-annulated indigo
spiro[fluorene-9,9′-xanthene]
synthesis
properties
url https://www.mdpi.com/1420-3049/24/19/3623
work_keys_str_mv AT baoyiren synthesisandpropertiesofabayannulatedindigotetramerbasedonlowcostspirofluorene99xanthenecore
AT yanmeitan synthesisandpropertiesofabayannulatedindigotetramerbasedonlowcostspirofluorene99xanthenecore
AT changliangsun synthesisandpropertiesofabayannulatedindigotetramerbasedonlowcostspirofluorene99xanthenecore
AT yonggangsheng synthesisandpropertiesofabayannulatedindigotetramerbasedonlowcostspirofluorene99xanthenecore