Photoluminescence properties of microspherical alumina-chromium catalyst

被引：9

作者：

Rastorguev A.A. ^{[1
]}

Baronskiy M.G. ^{[1
]}

Zaitseva N.A. ^{[1
]}

Isupova L.A. ^{[1
]}

Kostyukov A.I. ^{[1
]}

Larina T.V. ^{[1
]}

Pakhomov N.A. ^{[1
]}

Snytnikov V.N. ^{[1
]}

机构：

[1] Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk

来源：

Inorg. Mater.: Appl. Res. | / 5卷 / 476-481期

基金：

俄罗斯基础研究基金会;

关键词：

centrifugal thermal activation product of gibbsite; Cr3+ photoluminescence; dehydrogenation of light alkanes; industrial alumina-chromium catalyst IM-2201; model alumina-chromium catalysts; α and γ phases of Al2O3;

D O I：

10.1134/S2075113314050153

中图分类号：

学科分类号：

摘要：

The electronic structure of the model alumina-chromium catalyst CrOx/Al2O3 for isobutane isomerization was investigated using the method of steady-state photoluminescence (PL). The chromium content varied in the investigated samples from 0.1 to 11.0 wt % in terms of Cr2O3. The luminescence and luminescence excitation spectra of Cr3+ were recorded under conditions of strong reabsorption. The feasibility of the Cr3+: Al2O3 (α-, γ-Al2O3) polymorphic phase detection and separation of the surface and bulk luminescence was shown. The Cr3+ luminescence and luminescence excitation spectra of the industrial catalyst IM-2201 were recorded. © 2014, Pleiades Publishing, Ltd.

引用

页码：476 / 481

页数：5

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