Wafer-Scale Coplanar Electrodes for 3D Conformal Organic Single-Crystal Circuits
Wafer-Scale Coplanar Electrodes for 3D Conformal Organic Single-Crystal Circuits
复制标题
用于 3D 共形有机单晶电路的晶圆级共面电极
DOI：
10.1002/aelm.201500239
复制
发表时间：
2015-12-01
影响因子：
6.2
通讯作者：
Liu, Yichun
中科院分区：
文献类型：
--
作者：
Zhao, Xiaoli;Tong, Yanhong;Liu, Yichun
三维曲面上的共形有机单晶电路可以提供用于监测、生物反馈和生理功能跟踪的传感和扫描功能，是高性能可穿戴和植入电子器件最有前途的技术之一。然而，由于缺乏用于机械弹性和柔性电极以符合3D弯曲表面的制造技术，目前的有机单晶电路仍然局限于刚性平面基板。在这里，提出了一种新的电极设计，用于形成晶片级共面电极，连同只有一个单独的柔性红荧烯纳米带，以实现3D共形单晶晶体管和电路的第一次。器件成品率高达93.2%，场效应迁移率高达23.9 cm（2）V-1 s（-1），阈值电压接近于零，反相器增益超过23，电路稳定性为零。这些结果揭示了有机单晶用于保形电路的能力，并揭示了新型电极用于未来大规模可穿戴和可植入电子器件的强大潜力。
Conformal organic single-crystal circuit on 3D curved surfaces, which can provide sensory and scanning features for monitoring, biofeedback, and tracking of physiological function, presents one of the most promising technologies for high-performance wearable and implantable electronics. However, the present organic single-crystal circuits remain limited on rigid planar substrates, by the lack of fabrication techniques for mechanically elastic and flexible electrodes to conform to 3D curved surfaces. Here, a novel electrode design for the formation of a wafer-scale coplanar electrode, together with only one individual flexible rubrene nanobelt, to achieve the 3D conformal single-crystal transistors and circuits for the first time is proposed. Excellent electrical properties with device yield as high as 93.2%, field-effect mobility up to 23.9 cm(2) V-1 s(-1), near-zero threshold voltage, inverter gain over 23, and the extreme circuit stability with zero hysteresis are shown. The results open up the capability of organic single crystals for conformal circuits and reveal the strong potential of the new-type electrode for future large-scale wearable and implantable electronics.