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Water-Induced Tuning of the Emission of Polyaniline LEDs within the NIR to Vis Range
[Image: see text] Tuning of the emission within the near-infrared to visible range is observed in p-toluenesulfonic acid-doped polyaniline light emitting diodes (PANI/PTSA), when water molecules are absorbed by the active material (wet PANI/PTSA). This is a hybrid material that combines a conjugated...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2021
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8697372/ https://www.ncbi.nlm.nih.gov/pubmed/34963949 http://dx.doi.org/10.1021/acsomega.1c05051 |
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author | Langer, Jerzy J. Ratajczak, Katarzyna Frąckowiak, Ewelina Golczak, Sebastian |
author_facet | Langer, Jerzy J. Ratajczak, Katarzyna Frąckowiak, Ewelina Golczak, Sebastian |
author_sort | Langer, Jerzy J. |
collection | PubMed |
description | [Image: see text] Tuning of the emission within the near-infrared to visible range is observed in p-toluenesulfonic acid-doped polyaniline light emitting diodes (PANI/PTSA), when water molecules are absorbed by the active material (wet PANI/PTSA). This is a hybrid material that combines a conjugated π-electron system and a proton system, both strongly interacting in close contact with each other. The proton system successfully competes with the electron system in excitation energy consumption (when electrically powered), thanks to the inductive resonance energy transfer from electrons to protons in wet PANI/PTSA at the energy levels of combination of vibrations and overtones in water, with subsequent light emission. Wet PANI/PTSA, in which electrons and protons can be excited parallelly owing to fast energy transfer, may emit light in different ranges (on a competitive basis). This results in intense light emission with a maximum at 750 nm (and the spectrum very similar to that of an excited protonic system in water), which is blue-shifted compared to the initial one at ∼850 nm that is generated by the PANI/PTSA dry sample, when electrically powered. |
format | Online Article Text |
id | pubmed-8697372 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-86973722021-12-27 Water-Induced Tuning of the Emission of Polyaniline LEDs within the NIR to Vis Range Langer, Jerzy J. Ratajczak, Katarzyna Frąckowiak, Ewelina Golczak, Sebastian ACS Omega [Image: see text] Tuning of the emission within the near-infrared to visible range is observed in p-toluenesulfonic acid-doped polyaniline light emitting diodes (PANI/PTSA), when water molecules are absorbed by the active material (wet PANI/PTSA). This is a hybrid material that combines a conjugated π-electron system and a proton system, both strongly interacting in close contact with each other. The proton system successfully competes with the electron system in excitation energy consumption (when electrically powered), thanks to the inductive resonance energy transfer from electrons to protons in wet PANI/PTSA at the energy levels of combination of vibrations and overtones in water, with subsequent light emission. Wet PANI/PTSA, in which electrons and protons can be excited parallelly owing to fast energy transfer, may emit light in different ranges (on a competitive basis). This results in intense light emission with a maximum at 750 nm (and the spectrum very similar to that of an excited protonic system in water), which is blue-shifted compared to the initial one at ∼850 nm that is generated by the PANI/PTSA dry sample, when electrically powered. American Chemical Society 2021-12-10 /pmc/articles/PMC8697372/ /pubmed/34963949 http://dx.doi.org/10.1021/acsomega.1c05051 Text en © 2021 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Langer, Jerzy J. Ratajczak, Katarzyna Frąckowiak, Ewelina Golczak, Sebastian Water-Induced Tuning of the Emission of Polyaniline LEDs within the NIR to Vis Range |
title | Water-Induced Tuning of the Emission of Polyaniline
LEDs within the NIR to Vis Range |
title_full | Water-Induced Tuning of the Emission of Polyaniline
LEDs within the NIR to Vis Range |
title_fullStr | Water-Induced Tuning of the Emission of Polyaniline
LEDs within the NIR to Vis Range |
title_full_unstemmed | Water-Induced Tuning of the Emission of Polyaniline
LEDs within the NIR to Vis Range |
title_short | Water-Induced Tuning of the Emission of Polyaniline
LEDs within the NIR to Vis Range |
title_sort | water-induced tuning of the emission of polyaniline
leds within the nir to vis range |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8697372/ https://www.ncbi.nlm.nih.gov/pubmed/34963949 http://dx.doi.org/10.1021/acsomega.1c05051 |
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