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  Merging Single-Atom-Dispersed Silver and Carbon Nitride to a Joint Electronic System via Copolymerization with Silver Tricyanomethanide

Chen, Z., Pronkin, S., Fellinger, T.-P., Kailasam, K., Vilé, G., Albani, D., et al. (2016). Merging Single-Atom-Dispersed Silver and Carbon Nitride to a Joint Electronic System via Copolymerization with Silver Tricyanomethanide. ACS Nano, 10(3), 3166-3175. doi:10.1021/acsnano.5b04210.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-B9D3-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-4C84-8
Genre: Journal Article

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 Creators:
Chen, Zupeng1, Author              
Pronkin, Sergey, Author
Fellinger, Tim-Patrick2, Author              
Kailasam, Kamalakannan, Author
Vilé, Gianvito, Author
Albani, Davide, Author
Krumeich, Frank, Author
Leary, Rowan, Author
Barnard, Jon, Author
Thomas, John Meurig, Author
Pérez-Ramírez, Javier, Author
Antonietti, Markus3, Author              
Dontsova, Dariya1, Author              
Affiliations:
1Dariya Dontsova, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1933288              
2Tim Fellinger, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863322              
3Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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 Abstract: Herein, we present an approach to create a hybrid between single-atom-dispersed silver and a carbon nitride polymer. Silver tricyanomethanide (AgTCM) is used as a reactive comonomer during templated carbon nitride synthesis to introduce both negative charges and silver atoms/ions to the system. The successful introduction of the extra electron density under the formation of a delocalized joint electronic system is proven by photoluminescence measurements, X-ray photoelectron spectroscopy investigations, and measurements of surface ?-potential. At the same time, the principal structure of the carbon nitride network is not disturbed, as shown by solid-state nuclear magnetic resonance spectroscopy and electrochemical impedance spectroscopy analysis. The synthesis also results in an improvement of the visible light absorption and the development of higher surface area in the final products. The atom-dispersed AgTCM-doped carbon nitride shows an enhanced performance in the selective hydrogenation of alkynes in comparison with the performance of other conventional Ag-based materials prepared by spray deposition and impregnation?reduction methods, here exemplified with 1-hexyne.

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 Dates: 2016-02-102016-03-22
 Publication Status: Published in print
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 Identifiers: DOI: 10.1021/acsnano.5b04210
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Title: ACS Nano
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 10 (3) Sequence Number: - Start / End Page: 3166 - 3175 Identifier: ISSN: 1936-0851