کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
27659 44035 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Direct measurements of the electric-field-induced change in fluorescence decay profile of a methylene-linked compound of pyrene
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی بیو مهندسی (مهندسی زیستی)
پیش نمایش صفحه اول مقاله
Direct measurements of the electric-field-induced change in fluorescence decay profile of a methylene-linked compound of pyrene
چکیده انگلیسی

Electric-field effects on fluorescence decay profile have been measured for each fluorescence component of the methylene-linked compound of pyrene, i.e., 1,3-bis-(1-pyrenyl)propane, in a polymer film at a high concentration. It is shown that the field-induced change in fluorescence intensity of the linked compound mainly arises from the field-induced change in initial population of the emitting states. The field-induced decrease in initial population both of the S1 state of pyrene chromophore and of the emitting state of the sandwich type of excimer is attributed to the field-induced charge separation. The efficient charge transport following the field-induced charge separation of the sandwich type excimer is related to the efficient generation of electroluminescence in the methylene-linked compound of pyrene.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 196, Issues 2–3, 20 May 2008, Pages 227–232
نویسندگان
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