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Spectroscopic investigation and catalytic activity of copper(II) phthalocyanine encapsulated in zeolite Y

✍ Scribed by Sindhu Seelan; A.K Sinha; D Srinivas; S Sivasanker

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 199 KB
Volume: 157
Category: Article
ISSN: 1381-1169
DOI: 10.1016/s1381-1169(99)00432-x

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✦ Synopsis

Ž

. Copper phthalocyanine CuPc encapsulated in zeolite Y was prepared by in situ ligand synthesis method by reacting Ž .

Cu II exchanged NaY with 1,2-dicyanobenzene followed by Soxhlet extraction with several solvents. The encapsulated Ž . copper phthalocyanine, CuPcY e was characterized by chemical and thermal analyses, FT-IR, diffuse reflectance UV-Vis, and EPR spectroscopic techniques. The spectral studies unequivocally prove the encapsulation of CuPc in the a-cages of zeolite Y and suggest a distortion in the CuPc moiety. The encapsulated materials were more active than neat phthalocyanine in the epoxidation of styrene with tertiary butylhydroperoxide.

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