کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
176333 458941 2013 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis and fluorescence of dicyanoisophorone derivatives
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Synthesis and fluorescence of dicyanoisophorone derivatives
چکیده انگلیسی


• A class of dicyanoisophorone derivatives with electron-donating groups is prepared.
• They show fluorescence in both solution and solid state with large Stoke's shifts.
• The origin of the fluorescence depends on the nature of the substituent groups.

A class of dicyanoisophorone derivatives 1–5 with electron-donating groups has been prepared by a two-step condensation reaction. Fluorescence both in solution and in pure solid state are measured. It is found that dicyanoisophorone derivatives 1–5 exhibit fluorescence in both solution and pure solid state. An enhancement of fluorescence in solid state probably results from the aggregation-induced emission. It is also found that dicyanoisophorone derivatives 1–5 show large Stoke's shifts in solution as well as in pure solid state. The origin of fluorescence of dicyanoisophorone derivatives depends on the nature of substituents, with a strong push–pull chromophores dicyanoisophorone system, red or orange solid-state fluorescence is obtained.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Dyes and Pigments - Volume 99, Issue 3, December 2013, Pages 531–536
نویسندگان
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