کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9776426 | 1509485 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Temperature, charge carrier density, and electric field dependence of mobilities in disordered conjugated polymers: simulation results
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
بیومتریال
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
We present the results of simulation studies of the dependence on temperature, charge carrier density, and electric field of the mobility μ in disordered conjugated polymers. The disorder is modeled by a Gaussian density of states (DOS) with width Ï. We base our analysis on an exact numerical solution of the Pauli Master equation. The recently experimentally determined carrier density dependence, ranging from densities typically found in light-emitting diodes (LEDs) up to those found in field-effect transistors (FETs), is fully reproduced. At low temperatures T, we find deviations from the generally accepted μâ¼exp[âconst.(Ï/kT)2] behavior. Our calculations show that the electric field dependence does not play a prominent role at the driving voltages of polymer devices.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Synthetic Metals - Volume 152, Issues 1â3, 20 September 2005, Pages 157-160
Journal: Synthetic Metals - Volume 152, Issues 1â3, 20 September 2005, Pages 157-160
نویسندگان
W.F. Pasveer, J. Cottaar, P.A. Bobbert, M.A.J. Michels,