固体核磁共振结合密度泛函理论计算研究SSZ-39分子筛的钠离子落位与铝分布
陈翰迪,孔海宇,赵侦超,张维萍*(
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Exploring the Na+ Locations and Al Distributions in SSZ-39 Zeolite by Solid-State NMR Spectroscopy and DFT Calculations
Han-di CHEN,Hai-yu KONG,Zhen-chao ZHAO,Wei-ping ZHANG*()
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图3. 不同硅铝比Na-SSZ-39分子筛的(a~c)一维27Al MAS NMR谱和(d~f)二维27Al MQ MAS NMR谱
Fig.3. (a~c) 1D 27Al MAS NMR and (d~f) 2D 27Al MQ MAS NMR spectra of Na-SSZ-39 zeolites with various Si/Al ratios
