Ultrathin Air-Stable n-Type Organic Phototransistor Array for Conformal Optoelectronics.
Ultrathin Air-Stable n-Type Organic Phototransistor Array for Conformal Optoelectronics.
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DOI：
10.1038/s41598-018-35062-7
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发表时间：
2018-11-09
影响因子：
4.6
通讯作者：
Liu Y
中科院分区：
文献类型：
--
作者：
Liu M;Wang H;Tang Q;Zhao X;Tong Y;Liu Y
未来有机互补电路在便携式、可穿戴电子和光电子领域的应用，迫切需要发展共形n通道有机光电晶体管阵列。本文制备了基于空气稳定n型PTCDI-C13H27的超薄共形OPT阵列。该阵列具有优异的电学和光电性能，器件均匀性好，与初始值相比，90天后电子迁移率稳定在83%。尽管随着弯曲半径的减小，PTCDI-C13H27薄膜光电晶体管的迁移率、通断电流和光电流略有下降，但当器件自由粘附在二维表面和三维半球面上时，器件仍保持高达104的稳定光敏度，属于苝二亚胺衍生物中光敏度最高的一类。这些结果表明，我们的空气稳定型n型PTCDI-C13H27 OPTs作为弯曲人工复眼的光检测系统在可穿戴、便携式电子和光电子领域具有广阔的应用前景。
Development of conformal n-channel organic phototransistor (OPT) array is urgent for future applications of organic complementary circuits in portable and wearable electronics and optoelectronics. In this work, the ultrathin conformal OPT array based on air-stable n-type PTCDI-C13H27 was fabricated. The OPT array shows excellent electrical and photoelectrical performance, good device uniformity, and remains stable in electron mobility by 83% after 90 days compared to the initial values. Eventhough mobility, on-state current, off-state current, and photocurrent of PTCDI-C13H27 thin film phototransistor show slight decrease with the decreased bending radius, the device still remains the stable photosensitivity as high as 104 when the device is freely adhered on the 2D surfaces and 3D hemispherical sphere, which is in a class with the highest photosensitivity for perylene diimide derivatives. These results present the promising application potential of our conformable air-stable n-type PTCDI-C13H27 OPTs as the photodetection system of curved artificial compound eyes in wearable and portable electronics and optoelectronics.
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