States and Dynamic Behavior of Protons and Water Molecules in H3PW12O40Pseudoliquid Phase Analyzed by Solid-State MAS NMR

2000 ◽  
Vol 104 (34) ◽  
pp. 8108-8115 ◽  
Author(s):  
Sayaka Uchida ◽  
Kei Inumaru ◽  
Makoto Misono
Keyword(s):  
Solid State ◽  
Dynamic Behavior ◽  
Mas Nmr ◽  
Water Molecules

51V and 133Cs MAS NMR Investigation of Crystalline Trivanadate and Hexavanadate Phases.

2006 ◽  
Vol 984 ◽  
Author(s):  
Olivier Durupthy ◽  
Jocelyne Maquet ◽  
Nathalie Steunou ◽  
Christian Bonhomme ◽  
Jacques Livage
Keyword(s):  
Solid State ◽  
Solid State Nmr ◽  
Local Environment ◽  
Vanadium Oxides ◽  
Mas Nmr ◽  
Water Molecules ◽  
Cesium Ions ◽  
Nmr Characterization ◽  
Interlamellar Space

AbstractA complete solid state NMR characterization of the vanadium oxides Cs[V3O8] and Cs2[V6O16].0.7H2O is proposed. We used 51V and 133Cs MAS NMR to investigate the local environment of cesium and vanadium nuclei and 2D 1H- 133Cs CP MAS HETCOR experiments to explore the connectivities between cesium ions and water molecules in the interlamellar space.

Deuterium Solid-State NMR Study of the Dynamic Behavior of Deuterons and Water Molecules in Solid D3PW12O40

2003 ◽  
Vol 107 (45) ◽  
pp. 12438-12443 ◽  
Author(s):  
Alexander G. Stepanov ◽  
Timur O. Shegai ◽  
Mikhail V. Luzgin ◽  
Nadine Essayem ◽  
Hervé Jobic
Keyword(s):  
Solid State ◽  
Dynamic Behavior ◽  
Solid State Nmr ◽  
Water Molecules ◽  
Nmr Study

The Nature of Chemisorbed CO2 in Zeolite A

2019 ◽  
Author(s):  
Przemyslaw Rzepka ◽  
Zoltán Bacsik ◽  
Andrew J. Pell ◽  
Niklas Hedin ◽  
Aleksander Jaworski
Keyword(s):  
Solid State ◽  
Ir Spectroscopy ◽  
Quantum Chemical Calculations ◽  
Quantum Chemical ◽  
Surface Coverage ◽  
Gas Mixtures ◽  
Mas Nmr ◽  
Significant Fraction ◽  
Zeolite A

Formation of CO<sub>3</sub><sup>2-</sup> and HCO<sub>3</sub><sup>-</sup> species without participation of the framework oxygen atoms upon chemisorption of CO<sub>2</sub> in zeolite |Na<sub>12</sub>|-A is revealed. The transfer of O and H atoms is very likely to have proceeded via the involvement of residual H<sub>2</sub>O or acid groups. A combined study by solid-state <sup>13</sup>C MAS NMR, quantum chemical calculations, and <i>in situ</i> IR spectroscopy showed that the chemisorption mainly occurred by the formation of HCO<sub>3</sub><sup>-</sup>. However, at a low surface coverage of physisorbed and acidic CO<sub>2</sub>, a significant fraction of the HCO<sub>3</sub><sup>-</sup> was deprotonated and transformed into CO<sub>3</sub><sup>2-</sup>. We expect that similar chemisorption of CO<sub>2</sub> would occur for low-silica zeolites and other basic silicates of interest for the capture of CO<sub>2</sub> from gas mixtures.

scholarly journals Combination of solid state NMR and DFT calculation to elucidate the state of sodium in hard carbon electrodes

2016 ◽  
Vol 4 (34) ◽  
pp. 13183-13193 ◽  
Author(s):  
Ryohei Morita ◽  
Kazuma Gotoh ◽  
Mika Fukunishi ◽  
Kei Kubota ◽  
Shinichi Komaba ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Nmr ◽  
Dft Calculation ◽  
Magic Angle Spinning ◽  
The State ◽  
Mas Nmr ◽  
Magic Angle ◽  
Multiple Quantum ◽  
Hard Carbon ◽  
Angle Spinning

We examined the state of sodium electrochemically inserted in HC prepared at 700–2000 °C using solid state Na magic angle spinning (MAS) NMR and multiple quantum (MQ) MAS NMR.

Investigating Sorption on Iron−Oxyhydroxide Soil Minerals by Solid-State NMR Spectroscopy:  A6Li MAS NMR Study of Adsorption and Absorption on Goethite

2005 ◽  
Vol 109 (39) ◽  
pp. 18310-18315 ◽  
Author(s):  
Ulla Gro Nielsen ◽  
Younkee Paik ◽  
Keinia Julmis ◽  
Martin A. A. Schoonen ◽  
Richard J. Reeder ◽  
...  
Keyword(s):  
Solid State ◽  
Nmr Spectroscopy ◽  
Solid State Nmr ◽  
Mas Nmr ◽  
Iron Oxyhydroxide ◽  
Soil Minerals ◽  
Solid State Nmr Spectroscopy ◽  
Nmr Study

Solid-State MAS NMR Studies of Sulfonic Acid-Functionalized SBA-15

2007 ◽  
Vol 32 (4) ◽  
pp. 513-526 ◽  
Author(s):  
R. Kanthasamy ◽  
I. K. Mbaraka ◽  
B. H. Shanks ◽  
S. C. Larsen
Keyword(s):  
Solid State ◽  
Sulfonic Acid ◽  
Mas Nmr ◽  
Nmr Studies

scholarly journals Interactions of Fullerenes and Calixarenes in the Solid State Studied with 13C CP-MAS NMR

1994 ◽  
Vol 116 (15) ◽  
pp. 6965-6966 ◽  
Author(s):  
Rene M. Williams ◽  
Jurriaan M. Zwier ◽  
Jan W. Verhoeven ◽  
Gerda H. Nachtegaal ◽  
Arno P. M. Kentgens
Keyword(s):  
Solid State ◽  
Mas Nmr ◽  
Cp Mas Nmr ◽  
13C Cp Mas Nmr

scholarly journals Water in cellulose: evidence and identification of immobile and mobile adsorbed phases by 2H MAS NMR

2017 ◽  
Vol 19 (6) ◽  
pp. 4360-4369 ◽  
Author(s):  
E. L. Lindh ◽  
C. Terenzi ◽  
L. Salmén ◽  
I. Furó
Keyword(s):  
Physical Chemistry ◽  
Mas Nmr ◽  
Water Molecules ◽  
Natural Polymers

The organization of water molecules adsorbed onto cellulose and the supramolecular hydrated structure of microfibril aggregates represents, still today, one of the open and complex questions in the physical chemistry of natural polymers.

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