CHEMISORPTION INDUCED LUMINESCENCE FROM COLOR-CENTERS

被引：7

作者：

COON, VT

机构：

[1] Department of Chemical/Petroleum Engineering, University of Pittsburgh, Pittsburgh

来源：

SURFACE SCIENCE | 1979年 / 88卷 / 2-3期

关键词：

D O I：

10.1016/0039-6028(79)90095-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorboluminescence spectra associated with the adsorption of oxygen on CaO and MgO have been measured using an optical multichannel analyzer. Broad emission bands are observed which are only slightly shifted from bulk F center photoluminescence bands. The shift is larger (about 0.2 eV) for MgO. The widths of these adsorboluminescence bands are comparable to F center photoluminescence bands. A shift might be accounted for by postulating emission from near-surface or surface analogs (Fs centers) of bulk F centers. Possible luminescence mechanisms are discussed. © 1979.

引用

页码：L42 / L50

页数：9

共 32 条

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