کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8035246 | 1518048 | 2014 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Application of capacitance spectrum and the imaginary part of impedance spectrum to study carrier dynamics of N,Nâ²-diphenyl-N,Nâ²bis(1,1â²-biphenyl)-4,4â²-diamine
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Application of capacitance spectrum and the imaginary part of impedance spectrum to study carrier dynamics of N,Nâ²-diphenyl-N,Nâ²bis(1,1â²-biphenyl)-4,4â²-diamine Application of capacitance spectrum and the imaginary part of impedance spectrum to study carrier dynamics of N,Nâ²-diphenyl-N,Nâ²bis(1,1â²-biphenyl)-4,4â²-diamine](/preview/png/8035246.png)
چکیده انگلیسی
In this report, the hole-only device was fabricated in order to study the carrier mobility of N,Nâ²-diphenyl-N,Nâ²bis(1,1â²-biphenyl)-4,4â²-diamine through the space charge limited current model. Then the capacitance spectrum and the corresponding imaginary part of impedance spectrum were measured. When the frequency-dependent mathematical physics equations were directly used to fit the capacitance spectrum, it was found that there was obviously error in the curve between the range of Ï~Ïtâ1. Considering the distribution of the carrier transit time, two models, the exponential distribution and the Gaussian distribution, were added to fit the experimental curve. Through such distribution functions, the curve could be more satisfactorily to be fitted. And from the logic thinking, we think the Gaussian distribution is more reasonable and more close to the real transit time distribution. Further, we used the imaginary part of the impedance spectra for research and also achieved satisfactory results. Finally, the four kinds of carrier mobility tested by the above four research methods were all found to be in accordance with the Poole-Frenkel model, with only small difference in the values.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 556, 1 April 2014, Pages 447-451
Journal: Thin Solid Films - Volume 556, 1 April 2014, Pages 447-451
نویسندگان
Hui Xu, Chao Tang, Xu-Liang Wang, Wei Liu, Rui-Lan Liu, Zhou Rong, Qu-Li Fan, Wei Huang,