Title :
Charge carrier photogeneration in poly(n-vinylcarbazole)
Author :
Cimrova, V. ; Nespurek, Stanislav
Author_Institution :
Inst. of Macromolecular Chem., Czechoslovak Acad. of Sci., Prague, Czechoslovakia
Abstract :
The charge carrier photogeneration in poly(N-vinylcarbazole) was investigated as a function of the electric field and the temperature for 254 and 355 nm irradiation by the method of photoinduced discharge current. A novel photogeneration model has been proposed which includes energy trapping in excimer-forming sites. The most probable separation distances of electron-hole bound pairs were determined as 0.6 and 0.8 nm for the 355 and 254 nm irradiation, respectively
Keywords :
carrier lifetime; carrier mobility; electrets; electron-hole recombination; photoconductivity; polymers; 254 nm; 355 nm; charge carrier photogeneration; electret; electric field; electron-hole bound pairs; energy trapping; excimer-forming sites; photoinduced discharge current; poly(n-vinylcarbazole); temperature; Amorphous materials; Charge carriers; Charge measurement; Current measurement; Electron traps; Fault location; Methanol; Polymers; Surface discharges; Temperature dependence;
Conference_Titel :
Electrets, 1991. (ISE 7) Proceedings., 7th International Symposium on (Cat. No.91CH3029-6)
Conference_Location :
Berlin
Print_ISBN :
0-7803-0112-9
DOI :
10.1109/ISE.1991.167332
