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與環境耦合的有機半導體的傳輸性質 = Transport propert...

國立高雄大學應用物理學系碩士班

與環境耦合的有機半導體的傳輸性質 = Transport properties of environment-coupled organic semiconductors

Record Type:	Language materials, printed : monographic
Paralel Title:	Transport properties of environment-coupled organic semiconductors
Author:	蔡維哲,
Secondary Intellectual Responsibility:	國立高雄大學
Place of Publication:	[高雄市]
Published:	撰者;
Year of Publication:	民100
Description:	36葉圖 : 30公分;
Subject:	電子-聲子交互作用
Subject:	environments energy levels
Online resource:	http://handle.ncl.edu.tw/11296/ndltd/91024701121082950236
Notes:	參考書目：葉29
Summary:	有機半導體所具有的傳輸特性以及特殊的力學特性，是當今相當熱門的研究課題。在本文中我們將討論環境耦合的有機半導體的傳輸性質。由微觀理論的基礎，並藉由單一軌道混成近似計算模型，來計算有機半導體與外在環境耦合時的電流變化的關係。並討論在不同環境能級、軌道耦合係數、電聲子耦合係數與彈性係數時電荷轉移與電流的變化。實驗發現電荷轉移發生在有機半導體與環境耦合的軌道之間，而電荷轉移的流向由外在環境的軌道能級所決定。而電荷轉移會隨著耦合軌道混成以及有機半導體的彈性係數增加而增加，但是會隨著電子-聲子交互作用增加而減少。而在授體有機半導體裡的傳導率比受體有機半導體裡的傳導率大，是因為受體有機半導裡有更多的屏蔽極化載子增加了電子-聲子交互作用。 Transmission characteristics and special mechanical properties of organic semicondu-ctors,is very popular topic today. In this article, we will discuss the “Transport properties of environment-coupled organic semiconductors”.A microscopic theory based on the orbital hybridyzation model via single orbital approximation is developed to calculate the current variation in organic semiconductors that are coupled to the environment.We discuss the charge transfer and current in different environments energy levels , orbital coupling constant , electron-phonon coupling constant and spring constant.In the experiment, we found the charge transfer is between organic semiconductors and the environment orbit coupling. Its direction determined by the environment orbital energy level. Charge transfer increases with increasing orbital coupling constant and spring constant,and decrease with increasing electron-phonon coupling constant.The conduction in donor-organic semiconductor is larger than that of accepto-organic semiconductor, which is dueto the increase of the electron-phonon interaction from more polarized screening carriers.

與環境耦合的有機半導體的傳輸性質 = Transport properties of environment-coupled organic semiconductors
蔡, 維哲

與環境耦合的有機半導體的傳輸性質 = Transport properties of environment-coupled organic semiconductors / 蔡維哲撰 - [高雄市] : 撰者, 民100. - 36葉 ; 圖 ; 30公分.
參考書目：葉29.
電子-聲子交互作用environments energy levels

與環境耦合的有機半導體的傳輸性質 = Transport properties of environment-coupled organic semiconductors
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