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首页> 外文会议>Symposium on Organic and Polymeric Materials and Devices―Optical, Electrical and Optoelectronic Properties Apr 1-5, 2002 San Francisco, California, U.S.A. >STUDY OF THE ELECTRONIC TRANSPORT OF PENTACENE FILMS BY PHOTOCONDUCTIVITY AND PHOTOTHERMAL DEFLECTION SPECTROSCOPY
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STUDY OF THE ELECTRONIC TRANSPORT OF PENTACENE FILMS BY PHOTOCONDUCTIVITY AND PHOTOTHERMAL DEFLECTION SPECTROSCOPY

机译：光电导和光热偏转光谱研究并五苯薄膜的电子传输

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摘要

The performance of thermally evaporated pentacene TFTs is strongly affected by defects. The influence of the preparation conditions on the level of defects were studied by Photoconductivity (CPM) and Photothermal Deflection Spectroscopy (PDS). CPM and PDS are powerful tools to provide insights in the band structure, the sub band gap absorption, distribution of defects and the ordering of the material. The influence of the preparation conditions on the morphology and the structural properties will be discussed and correlated with experimental data of CPM and PDS. In particularly, the influence of the deposition temperature on the absorption spectra of the polycrystalline films will be addressed. Furthermore, the material analyse will be correlated with the device performance of pentacene TFTs.
机译：热蒸发并五苯TFT的性能受缺陷的影响很大。通过光电导率（CPM）和光热偏转光谱（PDS）研究了制备条件对缺陷水平的影响。 CPM和PDS是强大的工具，可提供有关带结构，子带隙吸收，缺陷分布和材料排序的见解。讨论了制备条件对形貌和结构性能的影响，并将其与CPM和PDS的实验数据相关联。特别地，将解决沉积温度对多晶膜的吸收光谱的影响。此外，材料分析将与并五苯TFT的器件性能相关。

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