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Direct Correlation of Carbon Nanotube Nucleation and Growth with the Atomic Structure of Rhenium Nanocatalysts Stimulated and Imaged by the Electron Beam.
Cao, Kecheng; Chamberlain, Thomas W; Biskupek, Johannes; Zoberbier, Thilo; Kaiser, Ute; Khlobystov, Andrei N.
Afiliación
  • Cao K; Electron Microscopy of Materials Science, Central Facility for Electron Microscopy , Ulm University , Albert-Einstein-Allee 11 , Ulm 89081 , Germany.
  • Chamberlain TW; School of Chemistry , University of Nottingham , University Park , Nottingham NG7 2RD , United Kingdom.
  • Biskupek J; Institute of Process Research and Development, School of Chemistry , University of Leeds , Leeds LS2 9JT , United Kingdom.
  • Zoberbier T; Electron Microscopy of Materials Science, Central Facility for Electron Microscopy , Ulm University , Albert-Einstein-Allee 11 , Ulm 89081 , Germany.
  • Kaiser U; Electron Microscopy of Materials Science, Central Facility for Electron Microscopy , Ulm University , Albert-Einstein-Allee 11 , Ulm 89081 , Germany.
  • Khlobystov AN; Electron Microscopy of Materials Science, Central Facility for Electron Microscopy , Ulm University , Albert-Einstein-Allee 11 , Ulm 89081 , Germany.
Nano Lett ; 18(10): 6334-6339, 2018 10 10.
Article en En | MEDLINE | ID: mdl-30185052
Subnanometer Re clusters confined in a single-walled carbon nanotube are activated by the 80 keV electron beam to promote the catalytic growth of a new carbon nanotube. Transmission electron microscopy images the entire process step-by-step, with atomic resolution in real time, revealing details of the initial nucleation followed by a two-stage growth. The atomic dynamics of the Re cluster correlate strongly with the nanotube formation process, with the growth accelerating when the catalyst becomes more ordered. In addition to the nanotube growth catalyzed by Re nanoclusters, individual atoms of Re released from the nanocluster play a role in the nanotube formation.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nano Lett Año: 2018 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nano Lett Año: 2018 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos