| 多层栅介质层有机薄膜晶体管的存储与光响应特性 |
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| 引用本文： | 王伟,马东阁,高强,石家纬,曹军胜.多层栅介质层有机薄膜晶体管的存储与光响应特性[J].发光学报,2011,32(7):729-735. |
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| 作者姓名： | 王伟 马东阁 高强 石家纬 曹军胜 |
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| 作者单位： | 1. 集成光电子学国家重点联合实验室吉林大学实验区 吉林大学电子科学与工程学院, 吉林 长春 130012;
2. 中国科学院长春应用化学研究所 高分子物理与化学国家重点实验室, 吉林 长春 130022;
3. 中国科学院 激发态物理重点实验室 长春光学精密机械与物理研究所, 吉林 长春 130033 |
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| 基金项目： | 国家自然科学基金(60707015):吉林省科技发展计划 |
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| 摘 要： | 在真空室内一次性制备了具有多层栅介质层结构的有机薄膜晶体管(OTFTs).结果表明,制备的OTFTs具有电控开关、存储和光敏多重功能特性.分析认为,存储特性归功于器件的结构,采用了分离的CaF2纳米粒子岛作为电荷俘获中心.在光照环境下,观察到了两种不同类型的光响应特性.快速的光响应来自于有源层吸收了能量大于带隙的光子所...
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| 关 键 词： | 有机薄膜晶体管 存储效应 光响应 |
| 收稿时间： | 2011-01-15 |
Memory and Photo-responses Characteristics of Organic Thin Film Transistors Based on Multi-layer Gate Dielectric |
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| WANG Wei,MA Dong-ge,GAO Qiang,SHI Jia-wei,CAO Jun-sheng.Memory and Photo-responses Characteristics of Organic Thin Film Transistors Based on Multi-layer Gate Dielectric[J].Chinese Journal of Luminescence,2011,32(7):729-735. |
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| Authors: | WANG Wei MA Dong-ge GAO Qiang SHI Jia-wei CAO Jun-sheng |
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| Affiliation: | 1. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China;
2. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
3. Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechunics and Physics, Chinese Academy of Sciences, Changchun 130033, China |
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| Abstract: | The organic thin film transistors (OTFTs) based on multi-layer gate dielectric were presented without vacuum breaks. As a result, the OTFTs show multi-functional properties, such as electric-switching, memory, and photosensitive. The memory effect was attributed to the structure of OTFTs, i.e. the utilization of the separated CaF2 nanoparticle islands acting as the charge trapping centers. The photo-responses included two different types of fast response and slow response, and are, respectively, originated from the generation of mobile carriers by the absorption of photo energy higher than the band gap energy of semiconductor and the tapped and released of photo-induced electrons by the traps in the dielectric at the electrical field modulation. |
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| Keywords: | organic thin film transistor memory effect photo-responses |
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