Probing the Spatial Proximities among Acid Sites in Dealuminated H-Y Zeolite by Solid-State NMR Spectroscopy

2008 ◽  
Vol 112 (37) ◽  
pp. 14486-14494 ◽  
Author(s):  
Shenhui Li ◽  
Shing-Jong Huang ◽  
Wanling Shen ◽  
Hailu Zhang ◽  
Hanjun Fang ◽  
...  
Keyword(s):  
Solid State ◽  
Nmr Spectroscopy ◽  
Solid State Nmr ◽  
Acid Sites ◽  
Y Zeolite ◽  
Solid State Nmr Spectroscopy

Acid sites in mesoporous Al-SBA-15 material as revealed by solid-state NMR spectroscopy

2006 ◽  
Vol 92 (1-3) ◽  
pp. 22-30 ◽  
Author(s):  
Wei Hu ◽  
Qing Luo ◽  
Yongchao Su ◽  
Lei Chen ◽  
Yong Yue ◽  
...  
Keyword(s):  
Solid State ◽  
Nmr Spectroscopy ◽  
Solid State Nmr ◽  
Acid Sites ◽  
Solid State Nmr Spectroscopy

Using Trimethylphosphine as a Probe Molecule to Study the Acid Sites in Al−MCM-41 Materials by Solid-State NMR Spectroscopy

2003 ◽  
Vol 107 (11) ◽  
pp. 2435-2442 ◽  
Author(s):  
Qing Luo ◽  
Feng Deng ◽  
Zhongyong Yuan ◽  
Jun Yang ◽  
Mingjin Zhang ◽  
...  
Keyword(s):  
Solid State ◽  
Nmr Spectroscopy ◽  
Solid State Nmr ◽  
Acid Sites ◽  
Probe Molecule ◽  
Solid State Nmr Spectroscopy ◽  
Mcm 41

Probing the active sites for methane activation on Ga/ZSM-5 zeolites with solid-state NMR spectroscopy

2020 ◽  
Vol 56 (80) ◽  
pp. 12029-12032
Author(s):  
Xingling Zhao ◽  
Yueying Chu ◽  
Guodong Qi ◽  
Qiang Wang ◽  
Wei Gao ◽  
...  
Keyword(s):  
Solid State ◽  
Nmr Spectroscopy ◽  
Solid State Nmr ◽  
Active Sites ◽  
Acid Sites ◽  
Methane Activation ◽  
Lewis Acidity ◽  
Brønsted Acid Sites ◽  
Solid State Nmr Spectroscopy ◽  
Strong Lewis Acidity

Solid-state NMR reveals that the active Ga species are located on Brønsted acid sites in Ga/ZSM-5 zeolite channels and show strong Lewis acidity for methane activation.

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