X-RAY-EXCITED PHOTOCURRENT IN ANTHRACENE-CRYSTALS

被引：8
|
作者：
GODLEWSKI, J
SIGNERSKI, R
KALINOWSKI, J
STIZZA, S
BERRETONI, M
机构：
[1] IST FOTOCHIM & RADIAZ ALTA ENERGIA,I-40126 BOLOGNA,ITALY
[2] UNIV CAMERINO,DIPARTIMENTO MATEMAT & FIS,I-60132 CAMERINO,ITALY
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1994年 / 252卷
关键词：
X-RAY; PHOTOCURRENT; ORGANIC CRYSTAL; ANTHRACENE; CHARGE GENERATION; CHARGE SEPARATION;
D O I：
10.1080/10587259408038220
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The mechanism of charge carrier generation by X-rays in anthracene crystals has been studied. We conclude that charge carrier pairs are generated by electrons due to the scattering of X-rays and the separation mechanism is in disagreement with the Onsager model. Recombination of charge carriers determines the slope of the photocurrent-electric field characteristics. The experimental current-electric field characteristics have been described theoretically and the role of photoinjection of charge carriers by X-rays from metallic electrodes has been established.
引用
收藏
页码：145 / 154
页数：10
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