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Solvent inducing aggregates of perylene tetracarboxylic diimide in polymer backbone

We have investigated the optical properties of a synthesized polymer containing perylene tetracarboxylic diimide (PDI) in different solvents. The structured absorption and photoluminescence (PL) spectra of the PDI in the polymer are sensitive to the solvents. The excited states with the PL peaks at... Full description

Journal Title: Journal of Applied Polymer Science 15 December 2013, Vol.130(6), pp.4113-4118
Main Author: Kong, Fan
Other Authors: Tang, Buwei , Zhang, Xueqin , Lin, Baoping , Qiu, Teng
Format: Electronic Article Electronic Article
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ID: ISSN: 0021-8995 ; E-ISSN: 1097-4628 ; DOI: 10.1002/app.39687
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recordid: wj10.1002/app.39687
title: Solvent inducing aggregates of perylene tetracarboxylic diimide in polymer backbone
format: Article
creator:
  • Kong, Fan
  • Tang, Buwei
  • Zhang, Xueqin
  • Lin, Baoping
  • Qiu, Teng
subjects:
  • Conducting Polymers
  • Optical Properties
  • Polyimides
ispartof: Journal of Applied Polymer Science, 15 December 2013, Vol.130(6), pp.4113-4118
description: We have investigated the optical properties of a synthesized polymer containing perylene tetracarboxylic diimide (PDI) in different solvents. The structured absorption and photoluminescence (PL) spectra of the PDI in the polymer are sensitive to the solvents. The excited states with the PL peaks at 530 and 570 nm have the same PL excitation bands and life times, but the PL excitation band of the 625 nm excited states with long life time is different from the others. The PL bands with the peaks at 530 and 570 nm originate from the separated PDIs, whereas the 625 nm emission band is connected with the π–π stacked aggregates of the PDI in the polymer. The polymer chains become coiled to be favor of forming the π–π stacked aggregates of the PDI in weak polar solvent. The experimental results indicate that more π–π stacked aggregates are formed in tetrahydrofuran/ethanol blend solvents due to the collapsed polymer chains, but the PL intensity of the aggregates is precipitately decreased with the increase in the content of ethanol due to concentration quenching. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4113–4118, 2013
language:
source:
identifier: ISSN: 0021-8995 ; E-ISSN: 1097-4628 ; DOI: 10.1002/app.39687
fulltext: fulltext
issn:
  • 0021-8995
  • 00218995
  • 1097-4628
  • 10974628
url: Link


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titleSolvent inducing aggregates of perylene tetracarboxylic diimide in polymer backbone
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descriptionWe have investigated the optical properties of a synthesized polymer containing perylene tetracarboxylic diimide (PDI) in different solvents. The structured absorption and photoluminescence (PL) spectra of the PDI in the polymer are sensitive to the solvents. The excited states with the PL peaks at 530 and 570 nm have the same PL excitation bands and life times, but the PL excitation band of the 625 nm excited states with long life time is different from the others. The PL bands with the peaks at 530 and 570 nm originate from the separated PDIs, whereas the 625 nm emission band is connected with the π–π stacked aggregates of the PDI in the polymer. The polymer chains become coiled to be favor of forming the π–π stacked aggregates of the PDI in weak polar solvent. The experimental results indicate that more π–π stacked aggregates are formed in tetrahydrofuran/ethanol blend solvents due to the collapsed polymer chains, but the PL intensity of the aggregates is precipitately decreased with the increase in the content of ethanol due to concentration quenching. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4113–4118, 2013
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titleSolvent inducing aggregates of perylene tetracarboxylic diimide in polymer backbone
descriptionWe have investigated the optical properties of a synthesized polymer containing perylene tetracarboxylic diimide (PDI) in different solvents. The structured absorption and photoluminescence (PL) spectra of the PDI in the polymer are sensitive to the solvents. The excited states with the PL peaks at 530 and 570 nm have the same PL excitation bands and life times, but the PL excitation band of the 625 nm excited states with long life time is different from the others. The PL bands with the peaks at 530 and 570 nm originate from the separated PDIs, whereas the 625 nm emission band is connected with the π–π stacked aggregates of the PDI in the polymer. The polymer chains become coiled to be favor of forming the π–π stacked aggregates of the PDI in weak polar solvent. The experimental results indicate that more π–π stacked aggregates are formed in tetrahydrofuran/ethanol blend solvents due to the collapsed polymer chains, but the PL intensity of the aggregates is precipitately decreased with the increase in the content of ethanol due to concentration quenching. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4113–4118, 2013
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abstractWe have investigated the optical properties of a synthesized polymer containing perylene tetracarboxylic diimide (PDI) in different solvents. The structured absorption and photoluminescence (PL) spectra of the PDI in the polymer are sensitive to the solvents. The excited states with the PL peaks at 530 and 570 nm have the same PL excitation bands and life times, but the PL excitation band of the 625 nm excited states with long life time is different from the others. The PL bands with the peaks at 530 and 570 nm originate from the separated PDIs, whereas the 625 nm emission band is connected with the π–π stacked aggregates of the PDI in the polymer. The polymer chains become coiled to be favor of forming the π–π stacked aggregates of the PDI in weak polar solvent. The experimental results indicate that more π–π stacked aggregates are formed in tetrahydrofuran/ethanol blend solvents due to the collapsed polymer chains, but the PL intensity of the aggregates is precipitately decreased with the increase in the content of ethanol due to concentration quenching. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4113–4118, 2013
doi10.1002/app.39687
pages4113-4118
date2013-12-15