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  Ionothermal Synthesis of Triazine-Heptazine Based Co-frameworks with Apparent Quantum Yields of 60 % at 420 nm for Solar Hydrogen Production from "Sea Water"

Zhang, G., Lin, L., Li, G., Zhang, Y., Savateev, A., Wang, X., et al. (2018). Ionothermal Synthesis of Triazine-Heptazine Based Co-frameworks with Apparent Quantum Yields of 60 % at 420 nm for Solar Hydrogen Production from "Sea Water". Angewandte Chemie International Edition, 57(30), 9372-9375. doi:10.1002/anie.201804702.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-6D7C-B Version Permalink: http://hdl.handle.net/21.11116/0000-0004-57CC-5
Genre: Journal Article

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 Creators:
Zhang, Guigang1, Author              
Lin, Lihua, Author
Li, Guosheng, Author
Zhang, Yongfan, Author
Savateev, Aleksandr1, Author              
Wang, Xinchen, Author
Antonietti, Markus2, Author              
Affiliations:
1Aleksandr Savateev, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2421702              
2Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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Free keywords: Ionothermal synthesis * Triazine-heptazine * Co-frameworks * Exciton splitting * H2 production
 Abstract: Polymeric carbon nitride (PCN), either in triazine or heptazine forms, has been regarded as promising metal?free, environmental benign and sustainable photocatalysts for solar hydrogen production. However, PCN in most cases only exhibits moderate activities due to the inherent properties such as rapid charge carrier recombination. Here we present a triazine?heptazine copolymer synthesized from simple post?calcination of PCN in eutectic salts, i.e. NaCl/KCl, to modulate the polymerization process and optimize the structure. The construction of internal triazine?heptazine donor?acceptor (D?A) heterostructures is affirmed to significantly accelerate the charge transfer (CT) and thus corporately boost the photocatalytic activity (AQY= 60 % at 420 nm). This study highlights the construction of intermolecular D?A copolymers in NaCl/KCl molten salts with higher melting points but absence of lithium to modulate the polymerization process and chemical structure of PCN.

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Language(s): eng - English
 Dates: 2018-05-312018
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
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Title: Angewandte Chemie International Edition
  Other : Angew. Chem., Int. Ed.
  Other : Angew. Chem. Int. Ed.
  Other : Angewandte Chemie, International Edition
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 57 (30) Sequence Number: - Start / End Page: 9372 - 9375 Identifier: ISSN: 1433-7851

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Title: Angewandte Chemie
  Abbreviation : Angew. Chem.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 130 (30) Sequence Number: - Start / End Page: 9516 - 9520 Identifier: ISSN: 0044-8249