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Photocatalytic oxidation of ethylene by ammonium exchanged ETS-10 and AM-6

Paper ID Volume ID Publish Year Pages File Format Full-Text
48142 46494 2009 8 PDF Available
Title
Photocatalytic oxidation of ethylene by ammonium exchanged ETS-10 and AM-6
Abstract

ETS-10 and AM-6 in the as-prepared and ammonium form have been characterized using Raman, X-ray powder diffraction, N2 adsorption, energy dispersive X-ray (EDX) analysis, UV/vis spectroscopy, and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). Upon NH4+ ion exchange, AM-6 shows the loss of the characteristic V–O–V stretch in the Raman spectrum similar to the effects observed for NH4+ ion exchanged ETS-10. The UV/vis spectrum of NH4+ ion exchanged AM-6 also shows similar changes to NH4+ ion exchanged ETS-10, though the band gap in AM-6 is not red shifted as it is in ETS-10. Heating the NH4+ exchanged AM-6 to form H-AM-6 changes the coordination environment of the vanadium from an octahedral coordination to a tetrahedral coordination, but does not cause the partial collapse of the AM-6 structure. The oxidation of ethylene under oxygen on as-synthesized AM-6 only produces partial oxidation products while the NH4+ ion exchanged AM-6 was able to completely oxidize ethylene to CO2.

Keywords
ETS-10; Transition metal doping; AM-6; Photocatalysis; Band gap energy; Environmental catalysis
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Photocatalytic oxidation of ethylene by ammonium exchanged ETS-10 and AM-6
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 88, Issues 1–2, 29 April 2009, Pages 232–239
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us