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The Studies of Charge Carrier Transport Properties of Organic Small Molecular Semiconductors

Author: KongXiangHui
Tutor: CuiHaiNing；MaDongGe
School: Jilin University
Course: Optics
Keywords: The organic light emitting diode Steady-state current - voltage Dye-doped Carrier mobility Trap density
CLC: O473
Type: Master's thesis
Year: 2009
Downloads: 153
Quote: 1
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Abstract


Organic electroluminescent devices has a wide viewing angle , fast response , self-luminous, high luminance and efficiency , and can achieve full-color display and flexible display , so much of the attention of the scientific community and industry . In this thesis, the steady-state current . Voltage method to study the organic material and its light-emitting diode device electrical transport properties of small molecules . First introduced the process of transmission of the carrier to determine the experimental measurement of carrier mobility space -charge-limited current (SCLC) method ; then based on the carrier mobility of organic materials for a variety of measurement methods research ; Finally, we use this single - doped and co-doped system , the system of carrier mobility and trap concentration with the doping concentration changes in the law and the characteristic energy of the system , while simple codoped system carrier the capture of the sub- transmission mechanism. Luminescence process and carrier transport process has an important internal relations , research carrier passed between the energy levels of different host-guest materials , and then find the two processes intrinsic physical mechanism , the major significance of the physical mechanisms profound understanding of light , and this work at home and abroad are few reports of great research value and space .

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CLC: > Mathematical sciences and chemical > Physics > Semiconductor physics > Non-equilibrium carrier
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