【摘要】：有機薄膜場效應(yīng)晶體管憑借著結(jié)構(gòu)、成本和加工工藝的優(yōu)勢,在有機邏輯電路、OLED平板顯示技術(shù)、有機太陽能電池和新型傳感器件等方面具有極大的發(fā)展?jié)摿?近年來成為了人們研究的熱點。在有機薄膜器件中,有機半導(dǎo)體層的結(jié)晶質(zhì)量和源漏電極的注入效應(yīng)對器件性能有著極大的影響,本論文通過對基于酞菁銅的有機薄膜場效應(yīng)晶體管器件性能進(jìn)行優(yōu)化,研究半導(dǎo)體結(jié)晶質(zhì)量和源漏電極的注入效應(yīng)對有機半導(dǎo)體器件性能的影響,具體內(nèi)容如下:首先,本文簡要介紹了有機薄膜場效應(yīng)晶體管器件的應(yīng)用領(lǐng)域、研究背景以及目前研究發(fā)展所存在的相關(guān)問題。然后詳細(xì)闡述有機薄膜器件的工作原理和器件的基本結(jié)構(gòu),介紹相關(guān)制備有機薄膜晶體管器件所需的材料和儀器。其次,介紹完整的有機薄膜場效應(yīng)晶體管器件的制備過程,并且依據(jù)本實驗所制備出的有機薄膜場效應(yīng)器件,利用Keithley 2400電子檢測表和Labview軟件結(jié)合,設(shè)計出一套完整的針對有機薄膜晶體管的檢測平臺。再次,本文利用真空高溫退火和溶液處理方法來改善有機半導(dǎo)體層的結(jié)晶生長,通過對有機層的表征與有機薄膜場效應(yīng)晶體管器件性能對比分析,探索最佳退火溫度與溶液處理工藝。最后,通過插入電極緩沖層材料來改善電極與有機層之間的注入效應(yīng)和接觸電阻,理論上分析改善電荷注入的原因,實驗中優(yōu)化緩沖層材料與厚度以獲得更好器件性能。
[Abstract]:Organic thin film field effect transistors (OFFETs) have great potential for development in organic logic circuits, OLED flat panel display technology, organic solar cells and new sensor devices due to their advantages in structure, cost and processing technology. The injection effect of the source and drain electrodes has a great influence on the performance of the devices. In this paper, the effects of the crystal quality and the injection effect of the source and drain electrodes on the performance of the organic semiconductor devices are studied by optimizing the performance of the organic thin film field effect transistors based on copper phthalocyanine. Firstly, this paper briefly introduces the following contents: The application field, research background and related problems of organic thin film field effect transistor devices are introduced. Then the working principle and basic structure of organic thin film devices are described in detail. The materials and instruments needed to fabricate organic thin film transistor devices are introduced. Secondly, the complete organic thin film field is introduced. According to the organic thin film field effect devices prepared in this experiment, a complete testing platform for organic thin film transistors is designed by using Keithley 2400 electronic testing table and Labview software. Thirdly, the vacuum high temperature annealing and solution treatment methods are used to improve the organic thin film field effect devices. By comparing the characterization of organic layer with the performance of organic thin film field effect transistor devices, the optimum annealing temperature and solution treatment process are explored. Finally, the injection effect and contact resistance between electrode and organic layer are improved by inserting electrode buffer layer material, and the charge injection is improved theoretically. The reason is that the buffer layer material and thickness are optimized in order to achieve better device performance.
【學(xué)位授予單位】：燕山大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TN386

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