The effect of X-ray irradiation on poly(p-phenylene vinylene) and derivatives

被引:41
作者
Graham, SC [1 ]
Friend, RH [1 ]
Fung, S [1 ]
Moratti, SC [1 ]
机构
[1] UNIV CAMBRIDGE,MELVILLE LAB POLYMER SYNTH,CAMBRIDGE CB2 3RA,ENGLAND
关键词
photoluminescence; UV-Vis-NIR absorption; conductivity; poly(phenylene vinylene); X-rays;
D O I
10.1016/S0379-6779(96)04204-X
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have studied the effect of X-ray exposure on poly(p-phenylene vinylene), PPV, and an iodo- derivative of PPV, poly(2-iodo-1,4-phenylene vinylene), PIPV. We report the effect of the chemical changes produced on the optical absorption (bleaching), photoluminescence (quenching), electrical conductivity (enhancement), and field-effect mobility (enhancement). We attribute these changes in part to p-type doping of these polymers caused by the radiation exposure. These effects are enhanced for the iodo-PPV which has an increased X-ray absorption cross section and the possibility of iodine doping after C-I bond scission.
引用
收藏
页码:903 / 904
页数:2
相关论文
共 7 条
[1]   A UNIVERSAL RELATION BETWEEN CONDUCTIVITY AND FIELD-EFFECT MOBILITY IN DOPED AMORPHOUS ORGANIC SEMICONDUCTORS [J].
BROWN, AR ;
DELEEUW, DM ;
HAVINGA, EE ;
POMP, A .
SYNTHETIC METALS, 1994, 68 (01) :65-70
[2]   Optical studies of chemical doping achieved by ion implantation in poly(p-phenylene vinylene) [J].
Hamer, PJ ;
Pichler, K ;
Harrison, MG ;
Friend, RH ;
Ratier, B ;
Moliton, A ;
Moratti, SC ;
Holmes, AB .
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES, 1996, 73 (02) :367-382
[3]  
Holmes-Siedle A., 1993, HDB RAD EFFECTS
[4]  
OKI Y, 1991, INT C EV BEAM APPL T, P770
[5]   FIELD-EFFECT TRANSISTORS BASED ON POLY(P-PHENYLENE VINYLENE) DOPED BY ION-IMPLANTATION [J].
PICHLER, K ;
JARRETT, CP ;
FRIEND, RH ;
RATIER, B ;
MOLITON, A .
JOURNAL OF APPLIED PHYSICS, 1995, 77 (07) :3523-3527
[6]  
Van de Voorde M.H., 1972, SELECTION GUIDE ORGA
[7]  
YOSHINO K, 1990, Patent No. 1329476