Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units

Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units

Two isomer polymers, P3 and P6, with fully conjugated ladder structures are presented by simple synthetic routes. The well-defined structures of fully conjugated ladder polymers P3 and P6 were ensured by the high yields of every reaction step. The fully rigid ladder structures were confirmed by nucl...

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Main Authors: Shuang Chen, Feng Liu, Chao Wang, Jinghui Shen, Yonggang Wu
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Polymers
Subjects:
carbazole
ladder
bo embedded
isomer
Online Access:https://www.mdpi.com/2073-4360/11/10/1619
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spelling doaj-cadd1da1261846839bb93e7cb2a630382020-11-25T01:44:10ZengMDPI AGPolymers2073-43602019-10-011110161910.3390/polym11101619polym11101619Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole UnitsShuang Chen0Feng Liu1Chao Wang2Jinghui Shen3Yonggang Wu4College of Chemistry and Environmental Science, Hebei University, Baoding 071002, ChinaCollege of Chemistry and Environmental Science, Hebei University, Baoding 071002, ChinaCollege of Chemistry and Environmental Science, Hebei University, Baoding 071002, ChinaCollege of Chemistry and Environmental Science, Hebei University, Baoding 071002, ChinaCollege of Chemistry and Environmental Science, Hebei University, Baoding 071002, ChinaTwo isomer polymers, P3 and P6, with fully conjugated ladder structures are presented by simple synthetic routes. The well-defined structures of fully conjugated ladder polymers P3 and P6 were ensured by the high yields of every reaction step. The fully rigid ladder structures were confirmed by nuclear magnetic resonance (NMR), fourier transform infrared spectroscopy (FTIR), and photophysical test. Polymers P3 and P6 with bulky alkyl side chains exhibit good solution processability and desirable thermostable properties. After the intramolecular cyclization reaction, the band gaps of polymers P3 and P6 become lower (2.86 eV and 2.66 eV, respectively) compared with polymers P1 and P4. This initial study provides insight for the rational design of fully ladder-conjugated isomeric polymers with well-defined structures.https://www.mdpi.com/2073-4360/11/10/1619carbazoleladderbo embeddedisomer
collection DOAJ
language English
format Article
sources DOAJ
author Shuang Chen
Feng Liu
Chao Wang
Jinghui Shen
Yonggang Wu
spellingShingle Shuang Chen
Feng Liu
Chao Wang
Jinghui Shen
Yonggang Wu
Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units
Polymers
carbazole
ladder
bo embedded
isomer
author_facet Shuang Chen
Feng Liu
Chao Wang
Jinghui Shen
Yonggang Wu
author_sort Shuang Chen
title Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units
title_short Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units
title_full Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units
title_fullStr Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units
title_full_unstemmed Simple Route to Synthesize Fully Conjugated Ladder Isomer Copolymers with Carbazole Units
title_sort simple route to synthesize fully conjugated ladder isomer copolymers with carbazole units
publisher MDPI AG
series Polymers
issn 2073-4360
publishDate 2019-10-01
description Two isomer polymers, P3 and P6, with fully conjugated ladder structures are presented by simple synthetic routes. The well-defined structures of fully conjugated ladder polymers P3 and P6 were ensured by the high yields of every reaction step. The fully rigid ladder structures were confirmed by nuclear magnetic resonance (NMR), fourier transform infrared spectroscopy (FTIR), and photophysical test. Polymers P3 and P6 with bulky alkyl side chains exhibit good solution processability and desirable thermostable properties. After the intramolecular cyclization reaction, the band gaps of polymers P3 and P6 become lower (2.86 eV and 2.66 eV, respectively) compared with polymers P1 and P4. This initial study provides insight for the rational design of fully ladder-conjugated isomeric polymers with well-defined structures.
topic carbazole
ladder
bo embedded
isomer
url https://www.mdpi.com/2073-4360/11/10/1619
work_keys_str_mv AT shuangchen simpleroutetosynthesizefullyconjugatedladderisomercopolymerswithcarbazoleunits
AT fengliu simpleroutetosynthesizefullyconjugatedladderisomercopolymerswithcarbazoleunits
AT chaowang simpleroutetosynthesizefullyconjugatedladderisomercopolymerswithcarbazoleunits
AT jinghuishen simpleroutetosynthesizefullyconjugatedladderisomercopolymerswithcarbazoleunits
AT yonggangwu simpleroutetosynthesizefullyconjugatedladderisomercopolymerswithcarbazoleunits
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