COOPERATIVE 2-PHOTON LUMINESCENCE

被引：4

作者：

MISHRA, KC

BERKOWITZ, JK

DALE, EA

DAS, TP

JOHNSON, KH

机构：

[1] SUNY ALBANY,DEPT PHYS,ALBANY,NY 12222

[2] MIT,DEPT MAT SCI,CAMBRIDGE,MA 02139

来源：

JOURNAL OF LUMINESCENCE | 1990年 / 46卷 / 04期

关键词：

D O I：

10.1016/0022-2313(90)90016-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using perturbation theory, Dexter proposed a theoretical model for obtaining a quantum efficiency greater than one for a luminescent material. The model is based on the simultaneous transfer of excitation energy from a sensitizer to two activators. It will be shown in this paper that the nonzero transition probability obtained by Dexter is an artifact of the nonorthogonal basis set used for the perturbative expansion. The cooperative transfer of energy from the sensitizer to the activators can at best be a second or higher order process. © 1990.

引用

页码：209 / 215

页数：7

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