C60CF2 based organic field-effect transistors with enhanced air-stability

Raj Kishen Radha Krishnan; Brian J. Reeves; Steven H. Strauss; Olga V. Boltalina; Bjoern Luessem

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C60CF2 based organic field-effect transistors with enhanced air-stability

机译：基于C60CF2的有机场效应晶体管，具有增强的空气稳定性

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Fullerenes and their derivatives are among the most commonly used electron transport materials. However, the use of fullerenes is limited by their low stability in ambient air. Here, we test the hypothesis that the air-stability of fullerene-based electron transport materials can be improved by adding fluorinated functional groups, making the materials less susceptible to degradation by interaction with oxygen and moisture. As proof for the concept, C_(60)CF_2 based Organic Field-Effect Transistors (OFETs) are studied. An average mobility of μ = (0.83 ±0.52)cm2V V~(-1) is found, with a maximum mobility of μ = 2.02 cm~2V~(-1)s~(-1). Compared to identical C_(60) OFETs, C_(60)CF_2 based OFETs degrade at a much lower rate and even sustain exposure times of up to 60 h in ambient air.

机译：富勒烯及其衍生物是最常用的电子传输材料之一。然而，富勒烯的使用受到它们在环境空气中的低稳定性的限制。在此，我们测试假设，即通过加入氟化官能团可以提高富勒烯基电子传输材料的空气稳定性，使得通过与氧气和水分的相互作用易于降解的材料易感。作为概念的证据，研究了C_（60）基于CF_2的有机场效应晶体管（OFET）。发现μ=（0.83±0.52）Cm 2V V〜（-1）的平均迁移率，最大迁移率为μ= 2.02cm〜2V〜（-1）S〜（-1）。与相同的C_（60）相比，基于C_（60）CF_2的OFET以低得多的速率降低，甚至在环境空气中保持高达60小时的曝光时间。

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来源
《Organic Electronics》 |2020年第11期|105898.1-105898.7|共7页
作者
Raj Kishen Radha Krishnan; Brian J. Reeves; Steven H. Strauss; Olga V. Boltalina; Bjoern Luessem;
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作者单位

Department of Physics Kent State University Kent OH 44240 USA;

Department of Chemistry Colorado State University Fort Collins CO 80523 USA;

Department of Chemistry Colorado State University Fort Collins CO 80523 USA;

Department of Chemistry Colorado State University Fort Collins CO 80523 USA;

Department of Physics Kent State University Kent OH 44240 USA Advanced Materials and Liquid Crystal Institute Kent State University Kent OH 44242 USA;

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原文格式 PDF
正文语种 eng
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关键词
n-type; Air-stable; Fullerene; Moisture; Traps; Oxygen;

机译：n型;空气稳定;富勒烯;水分;陷阱;氧;

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机译：使用线棒涂布机沉积复合材料以实现有机场效应晶体管（OFET）的可加工性和空气稳定性
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机译：使用线棒涂布机沉积复合材料，以实现有机场效应晶体管（OFET）的可加工性和空气稳定性

C60CF2 based organic field-effect transistors with enhanced air-stability

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