Tracking the formation of cobalt substituted ALPO-5 using simultaneous in situ X-ray diffraction and X-ray absorption spectroscopy techniques.

作者: Kerry Simmance , Gopinathan Sankar , Robert G. Bell , Carmelo Prestipino , Wouter van Beek

DOI: 10.1039/B920245E

关键词:

摘要: We followed the formation of metal ion substituted aluminophosphate, a redox molecular sieve, using newly developed in situ simultaneous X-ray diffraction and absorption spectroscopic technique. The study showed that cobalt–phosphorous network forms prior to crystallisation.

参考文章(27)
Manuel Sanchez-Sanchez, Gopinathan Sankar, Alexandra Simperler, Robert G Bell, C Richard A Catlow, John Meurig Thomas, The Extremely High Specificity of N -Methyldicyclohexylamine for the Production of the Large-Pore Microporous AFI Material Catalysis Letters. ,vol. 88, pp. 163- 167 ,(2003) , 10.1023/A:1024053504331
Bjerne S. Clausen, Henrik Topsøe, Ronald Frahm, Application of Combined X-Ray Diffraction and Absorption Techniques for in Situ Catalyst Characterization Advances in Catalysis. ,vol. 42, pp. 315- 344 ,(1998) , 10.1016/S0360-0564(08)60630-6
Ruren Xu, Wenqin Pang, Jihong Yu, Qisheng Huo, Jiesheng Chen, None, Chemistry of Zeolites and Related Porous Materials: Synthesis and Structure ,(2007)
Gopinathan Sankar, John Meurig Thomas, C. Richard A. Catlow, Combining X‐ray absorption with X‐ray diffraction for the structural elucidation of catalysts Topics in Catalysis. ,vol. 10, pp. 255- 264 ,(2000) , 10.1023/A:1019192824334
Richard I. Walton, Ronald I. Smith, Dermot O'Hare, Following the hydrothermal crystallisation of zeolites using time-resolved in situ powder neutron diffraction Microporous and Mesoporous Materials. ,vol. 48, pp. 79- 88 ,(2001) , 10.1016/S1387-1811(01)00333-X
Bjerne S. Clausen, Lars Gr�b�k, Gert Steffensen, Poul L. Hansen, Henrik Tops�e, A combined QEXAFS/XRD method for on-line, in situ studies of catalysts: Examples of dynamic measurements of Cu-based methanol catalysts Catalysis Letters. ,vol. 20, pp. 23- 36 ,(1993) , 10.1007/BF00772594
Fernando Rey, Gopinathan Sankar, John Meurig Thomas, Phillip A. Barrett, Dewi W. Lewis, C. Richard A. Catlow, Simon M. Clark, G. Neville Greaves, Synchrotron-Based Method for the Study of Crystallization: Templated Formation of CoALPO-5 Catalyst Chemistry of Materials. ,vol. 7, pp. 1435- 1436 ,(1995) , 10.1021/CM00056A004
Mei Dong, Guofu Wang, Zhangfeng Qin, Jianguo Wang, Tao Liu, Shuping Yuan, Haijun Jiao, A comparative investigation of Co2+ and Mn2+ incorporation into aluminophosphates by in situ XAS and DFT computation. Journal of Physical Chemistry A. ,vol. 111, pp. 1515- 1522 ,(2007) , 10.1021/JP066408L