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A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties

Leonard Heymann, Björn Schiller, Heshmat Noei, Andreas Stierle, Christian Klinke Orcid Logo

ACS Omega, Volume: 3, Issue: 4, Pages: 3892 - 3900

Swansea University Author: Christian Klinke Orcid Logo

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DOI (Published version): 10.1021/acsomega.8b00294

Abstract

Poly (triazine imide) (PTI) is a material belonging to the group of carbon nitrides and has shown to have competitive properties compared to melon or g-C3N4, especially in photocatalysis. As most of the carbon nitrides PTI is usually synthesized by thermal or hydrothermal approaches. We present and...

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Published in: ACS Omega
ISSN: 2470-1343 2470-1343
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa39356
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last_indexed 2018-11-22T14:07:52Z
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spelling 2018-11-22T12:19:52.7070299 v2 39356 2018-04-09 A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties c10c44238eabfb203111f88a965f5372 0000-0001-8558-7389 Christian Klinke Christian Klinke true false 2018-04-09 CHEM Poly (triazine imide) (PTI) is a material belonging to the group of carbon nitrides and has shown to have competitive properties compared to melon or g-C3N4, especially in photocatalysis. As most of the carbon nitrides PTI is usually synthesized by thermal or hydrothermal approaches. We present and discuss an alternative synthesis for PTI which exhibits a pH dependent solubility in aqueous solutions. This synthesis is based on the formation of radicals during electrolysis of an aqueous melamine solution, coupling of resulting melamine radicals and the final formation of PTI. We applied different characterization techniques to identify PTI as the product of this reaction and report the first liquid state NMR experiments on a triazine-based carbon nitride. We show that PTI has a relatively high specific surface area and a pH dependent adsorption of charged molecules. This tunable adsorption has a significant influence on the photocatalytic properties of PTI which we investigated in dye degradation experiments. Journal Article ACS Omega 3 4 3892 3900 2470-1343 2470-1343 carbon nitride, photocatalysis 31 12 2018 2018-12-31 10.1021/acsomega.8b00294 COLLEGE NANME Chemistry COLLEGE CODE CHEM Swansea University 2018-11-22T12:19:52.7070299 2018-04-09T14:13:03.7475292 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Leonard Heymann 1 Björn Schiller 2 Heshmat Noei 3 Andreas Stierle 4 Christian Klinke 0000-0001-8558-7389 5 0039356-16042018151337.pdf 39356.pdf 2018-04-16T15:13:37.7130000 Output 3559254 application/pdf Version of Record true 2018-04-16T00:00:00.0000000 This is an open access article published under a Creative Commons Attribution (CC-BY) License. true eng 0039356-09042018141321.pdf Heymann-Klinke-Manuscript.pdf 2018-04-09T14:13:21.2500000 Output 910449 application/pdf Accepted Manuscript true 2018-04-09T00:00:00.0000000 true eng
title A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
spellingShingle A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
Christian Klinke
title_short A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
title_full A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
title_fullStr A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
title_full_unstemmed A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
title_sort A New Synthesis Approach for Carbon Nitrides: Poly(triazine imide) and Its Photocatalytic Properties
author_id_str_mv c10c44238eabfb203111f88a965f5372
author_id_fullname_str_mv c10c44238eabfb203111f88a965f5372_***_Christian Klinke
author Christian Klinke
author2 Leonard Heymann
Björn Schiller
Heshmat Noei
Andreas Stierle
Christian Klinke
format Journal article
container_title ACS Omega
container_volume 3
container_issue 4
container_start_page 3892
publishDate 2018
institution Swansea University
issn 2470-1343
2470-1343
doi_str_mv 10.1021/acsomega.8b00294
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 1
active_str 0
description Poly (triazine imide) (PTI) is a material belonging to the group of carbon nitrides and has shown to have competitive properties compared to melon or g-C3N4, especially in photocatalysis. As most of the carbon nitrides PTI is usually synthesized by thermal or hydrothermal approaches. We present and discuss an alternative synthesis for PTI which exhibits a pH dependent solubility in aqueous solutions. This synthesis is based on the formation of radicals during electrolysis of an aqueous melamine solution, coupling of resulting melamine radicals and the final formation of PTI. We applied different characterization techniques to identify PTI as the product of this reaction and report the first liquid state NMR experiments on a triazine-based carbon nitride. We show that PTI has a relatively high specific surface area and a pH dependent adsorption of charged molecules. This tunable adsorption has a significant influence on the photocatalytic properties of PTI which we investigated in dye degradation experiments.
published_date 2018-12-31T03:49:58Z
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score 11.014537

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