کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1486716 | 1510565 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Determination of conduction parameters of vacuum deposited magnesium phthalocyanine thin films from their electrical, optical studies and application of VRH model
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
Sandwich and planar structures are fabricated using magnesium phthalocyanine (MgPc) as active layer and gold (Au) as electrodes by thermal evaporation method. The permittivity ε is determined from the dependence of capacitance on film thickness. J-V characteristics of Au/MgPc/Au structure at room temperature are performed. Thermally generated hole concentration p0, hole mobility μp, total trap concentration Nt and depth of the trap level are estimated. The activation energies are determined from the Arrhenius plots of lnÂ Ï versus 1000/T. Employing the variable range hopping model, hopping conduction parameters of the material are calculated. The absorption spectrum of MgPc thin film deposited at room temperature is recorded in the spectral range 300-900 nm. The optical band gap of MgPc thin film is determined from the α2 versus hν graph.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Non-Crystalline Solids - Volume 351, Issues 30â32, 1 September 2005, Pages 2414-2420
Journal: Journal of Non-Crystalline Solids - Volume 351, Issues 30â32, 1 September 2005, Pages 2414-2420
نویسندگان
K.R. Rajesh, C.S. Menon,