Structural Investigation of Layered Aluminophosphate UT-4 by Solidstate NMR

Chem. J. Chinese Universities

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Structural Investigation of Layered Aluminophosphate UT-4 by Solidstate NMR

ZHOU Dan¹, CHEN Lei², YU Ji-Hong1*, DENG Feng², XU Ru-Ren¹

1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China;
2. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China

Received:2005-11-07 Revised:1900-01-01 Online:2006-06-10 Published:2006-06-10
Contact: YU Ji-Hong

Abstract

Abstract: Pure UT-4 crystalline phase was synthesized by using pyridine as the solvent instead of TEG in the system of Al₂O₃-H₃PO₄-C₆H₁₁NH₂-Py. ²⁷Al MAS NMR, ³¹P MAS NMR, ¹H→¹P cross-polarization(CP) and ²⁷Al-³¹P heteronuclear correlation(HETCOR) experiments were employed to investigate the framework of UT-4, a two-dimensional layer aluminophosphate, which was first synthesized in the system of TEG, coexisting with UT-5. In the assignment of two fourcoordinated Al atoms, two methods were used. The assignment of ³¹P signals is based on the ²⁷Al-³¹P HETCOR spectrum.

Key words: Solid-state NMR, Aluminophosphate, Microporous material

CLC Number:

O614

TrendMD:

ZHOU Dan¹, CHEN Lei², YU Ji-Hong1*, DENG Feng², XU Ru-Ren¹. Structural Investigation of Layered Aluminophosphate UT-4 by Solidstate NMR[J]. Chem. J. Chinese Universities, doi: .

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Structural Investigation of Layered Aluminophosphate UT-4 by Solidstate NMR

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