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Submillimeter-Long WS2 Nanotubes: The Pathway to Inorganic Buckypaper.
Kundrát, Vojtech; Rosentsveig, Rita; Bukvisová, Kristýna; Citterberg, Daniel; Kolíbal, Miroslav; Keren, Shachar; Pinkas, Iddo; Yaffe, Omer; Zak, Alla; Tenne, Reshef.
Afiliación
  • Kundrát V; Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 7610001, Israel.
  • Rosentsveig R; Thermo Fisher Scientific, Vlastimila Pecha 12, CZ-62700 Brno, Czech Republic.
  • Bukvisová K; Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 7610001, Israel.
  • Citterberg D; Thermo Fisher Scientific, Vlastimila Pecha 12, CZ-62700 Brno, Czech Republic.
  • Kolíbal M; Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-61200 Brno, Czech Republic.
  • Keren S; Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-61200 Brno, Czech Republic.
  • Pinkas I; Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-61200 Brno, Czech Republic.
  • Yaffe O; Institute of Physical Engineering, Brno University of Technology, Technická 2, 616 69 Brno, Czech Republic.
  • Zak A; Department of Chemical and Biological Physics, Weizmann Institute of Science, Rehovot 7600001, Israel.
  • Tenne R; Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 7600001, Israel.
Nano Lett ; 23(22): 10259-10266, 2023 Nov 22.
Article en En | MEDLINE | ID: mdl-37805929
WS2 nanotubes present many new technologies under development, including reinforced biocompatible polymers, membranes, photovoltaic-based memories, ferroelectric devices, etc. These technologies depend on the aspect ratio (length/diameter) of the nanotubes, which was limited to 100 or so. A new synthetic technique is presented, resulting in WS2 nanotubes a few hundred micrometers long and diameters below 50 nm (aspect ratios of 2000-5000) in high yields. Preliminary investigation into the mechanistic aspects of the two-step synthesis reveals that W5O14 nanowhisker intermediates are formed in the first step of the reaction instead of the ubiquitous W18O49 nanowhiskers used in the previous syntheses. The electrical and photoluminescence properties of the long nanotubes were studied. WS2 nanotube-based paper-like material was prepared via a wet-laying process, which could not be realized with the 10 µm long WS2 nanotubes. Ultrafiltration of gold nanoparticles using the nanotube-paper membrane was demonstrated.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nano Lett Año: 2023 Tipo del documento: Article País de afiliación: Israel Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nano Lett Año: 2023 Tipo del documento: Article País de afiliación: Israel Pais de publicación: Estados Unidos