{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["An H"],"funding":["Ministry of Education, Culture, Sports, Science, and Technology","Japan Society for the Promotion of Science","IRENA Project"],"pagination":["eaat9459"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6587631"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["5(5)"],"pubmed_abstract":["Recently, W-based catalysts have provided a promising route to synthesize single-walled carbon nanotubes (SWCNTs) with specific chirality, but the mechanism of the growth selectivity is vaguely understood. We propose a strategy to identify the atomic structure as well as the structure evolution of the Co-W-C ternary SWCNT catalyst. The key is to use a thin SiO<sub>2</sub> film as the catalyst support and observation window. As the catalyst is uniformly prepared on this SiO<sub>2</sub> film and directly used for the SWCNT synthesis, this method has an advantage over conventional methods: it creates an opportunity to obtain original, statistical, and dynamic understanding of the catalyst. As a technique, atomic-scale imaging directly on SiO<sub>2</sub> serves as a powerful and versatile tool"],"journal":["Science advances"],"pubmed_title":["Atomic-scale structural identification and evolution of Co-W-C ternary SWCNT catalytic nanoparticles: High-resolution STEM imaging on SiO<sub>2</sub>."],"pmcid":["PMC6587631"],"funding_grant_id":["JST-EC DG RTD","KAKENHI Grant Numbers JP25107002, JP15H05760, JP15K17984","Project No. 12024046"],"pubmed_authors":["Xiang R","Inoue T","Loiseau A","Li Y","Kumamoto A","Otsuka K","Chiashi S","An H","Bichara C","Ikuhara Y","Maruyama S"],"additional_accession":[]},"is_claimable":false,"name":"Atomic-scale structural identification and evolution of Co-W-C ternary SWCNT catalytic nanoparticles: High-resolution STEM imaging on SiO<sub>2</sub>.","description":"Recently, W-based catalysts have provided a promising route to synthesize single-walled carbon nanotubes (SWCNTs) with specific chirality, but the mechanism of the growth selectivity is vaguely understood. We propose a strategy to identify the atomic structure as well as the structure evolution of the Co-W-C ternary SWCNT catalyst. The key is to use a thin SiO<sub>2</sub> film as the catalyst support and observation window. As the catalyst is uniformly prepared on this SiO<sub>2</sub> film and directly used for the SWCNT synthesis, this method has an advantage over conventional methods: it creates an opportunity to obtain original, statistical, and dynamic understanding of the catalyst. As a technique, atomic-scale imaging directly on SiO<sub>2</sub> serves as a powerful and versatile tool","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 May","modification":"2025-04-22T00:11:42.932Z","creation":"2019-07-24T07:25:26Z"},"accession":"S-EPMC6587631","cross_references":{"pubmed":["31236457"],"doi":["10.1126/sciadv.aat9459"]}}