Sökning: id:"swepub:oai:DiVA.org:su-170866" >
Insights into the E...
Insights into the Exfoliation Process of V2O5 center dot nH(2)O Nanosheet Formation Using Real-Time V-51 NMR
-
- Etman, Ahmed S. (författare)
- Linköpings universitet,Stockholms universitet,Institutionen för material- och miljökemi (MMK),Alexandria University, Egypt,Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden;Alexandria Univ, Fac Sci, Dept Chem, Alexandria 21321, Egypt;Linkoping Univ, Dept Phys Chem & Biol IFM, S-58183 Linkoping, Sweden,Tunnfilmsfysik,Tekniska fakulteten
-
- Pell, Andrew J. (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden
-
- Svedlindh, Peter (författare)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala Univ, Sweden
-
visa fler...
-
- Hedin, Niklas (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden
-
- Zou, Xiaodong (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden
-
- Sun, Junliang (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Peking University, China,Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden;Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
-
- Bernin, Diana (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Chalmers University of Technology, Sweden,Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden;Chalmers Univ Technol, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden
-
visa färre...
-
(creator_code:org_t)
- 2019-06-24
- 2019
- Engelska.
-
Ingår i: ACS Omega. - : American Chemical Society (ACS). - 2470-1343. ; 4:6, s. 10899-10905
- Relaterad länk:
-
https://doi.org/10.1...
-
visa fler...
-
https://pubs.acs.org...
-
https://liu.diva-por... (primary) (Raw object)
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
https://urn.kb.se/re...
-
https://urn.kb.se/re...
-
visa färre...
Abstract
Ämnesord
Stäng
- Nanostructured hydrated vanadium oxides (V2O5 center dot nH(2)O) are actively being researched for applications in energy storage, catalysis, and gas sensors. Recently, a one-step exfoliation technique for fabricating V2O5 center dot nH(2)O nano-sheets in aqueous media was reported; however, the underlying mechanism of exfoliation has been challenging to study. Herein, we followed the synthesis of V2O5 center dot nH(2)O nanosheets from the V2O5 and VO2 precursors in real using solution- and solid-state V-51 NMR. Solution-state V-51 NMR showed that the aqueous solution contained mostly the decavanadate anion [H2V10O28](4-) and the hydrated dioxova-nadate cation [VO2 center dot 4H(2)O](+), and during the exfoliation process, decavanadate was formed, while the amount of [VO2 center dot 4H(2)O](+) remained constant. The conversion of the solid precursor V2O5, which was monitored with solid-state V-51 NMR, was initiated when VO2 was in its monoclinic forms. The dried V2O5 center dot nH(2)O nanosheets were weakly paramagnetic because of a minor content of isolated V4+. Its solid-state V-51 signal was less than 20% of V2O5 and arose from diamagnetic V4+ or V5+.This study demonstrates the use of real-time NMR techniques as a powerful analysis tool for the exfoliation of bulk materials into nanosheets. A deeper understanding of this process will pave the way to tailor these important materials.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas