Nonlinear optical materials studied by positron annihilation spectroscopy

被引：3
|
作者：
Huang, CM [1 ]
Sandreczki, TC [1 ]
Jean, YC [1 ]
机构：
[1] Univ Missouri, Dept Chem, Kansas City, MO 64110 USA
来源：
POSITRON ANNIHILATION: ICPA-11 - PROCEEDINGS OF THE 11TH INTERNATIONAL CONFERENCE ON POSITRON ANNIHILATION, KANSAS CITY, MISSOURI, USA, MAY 1997 | 1997年 / 255-2卷
关键词：
positron annihilation lifetime; nonlinear optical (NLO); polymers; FREE-VOLUME; POLYMER;
D O I：
10.4028/www.scientific.net/MSF.255-257.302
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nonlinear optical polymers made: of doping a commercially available dye, Disperse Red I (DR1), into poly(methyl methacrylate) in different weight percentages are studied by positron annihilation lifetime spectroscopy. The lifetimes acid intensities of ortho-positronium are significantly reduced with increasing dopant concentration. The glass transition temperature is also found to decrease with increasing dopant concentration.
引用
收藏
页码：302 / 304
页数：3
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