Tin sulfide clusters in zeolite Y, Sn4S6-Y
作者： Carol L. Bowes , Geoffrey A. Ozin
DOI: 10.1039/A708093J
关键词: Infrared spectroscopy 、 Hydrogen sulfide 、 Spectroscopy 、 Cluster (physics) 、 Mössbauer spectroscopy 、 Analytical chemistry 、 Chemistry 、 Rietveld refinement 、 Powder diffraction 、 Tetramethyltin
摘要: The synthesis of a tin sulfide cluster array, denoted Sn4S6-Y, using the quantitative sequential surface anchoring and reaction tetramethyltin with hydrogen (metal organic chemical vapor deposition, MOCVD, reagents) within supercages acid zeolite-Y is detailed. tethered methyltin species their transformation to encapsulated clusters are elucidated through gravimetry, coupled mid-IR 119Sn Mossbauer spectroscopy. Transmission electron microscopy (TEM) Rietveld refinement synchrotron powder X-ray diffraction (PXRD) data show that internally confined homogeneously dispersed in host zeolite, while optical spectroscopy size dependent blue-shift absorption edge respect bulk phase. A geometry proposed for encapusulated Sn4S6-Y cluster.
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