丝素
材料科学
生物相容性材料
基质(水族馆)
氧化铟锡
有机发光二极管
纳米技术
柔性电子器件
生物电子学
有机电子学
聚萘二甲酸乙二醇酯
图层(电子)
丝绸
复合材料
生物医学工程
生物传感器
电压
晶体管
地质学
物理
海洋学
医学
量子力学
作者
Yuan Liu,Yue‐Min Xie,Tao Song,Ke‐Qin Zhang,Liang‐Sheng Liao,Baoquan Sun
标识
DOI:10.1088/0268-1242/30/10/104004
摘要
Flexible and biodegradable electronics are currently under extensive investigation for biocompatible and environmentally-friendly applications. Synthetic plastic foils are widely used as substrates for flexible electronics. But typical plastic substrates such as polyethylene naphthalate (PEN) could not be degraded in a natural bio-environment. A great demand still exists for a next-generation biocompatible and biodegradable substrate for future application. For example, electronic devices can be potentially integrated into the human body. In this work, we demonstrate that the biocompatible and biodegradable natural silk fibroin (SF) films embedded with silver nanowires (AgNWs) mesh could be employed as conductive transparent substrates to fabricate flexible organic light emitting diodes (OLEDs). Compared with commercial PEN substrates coated with indium tin oxide, the AgNWs/SF composite substrates exhibit a similar sheet resistance of 12 Ω sq−1, a lower surface roughness, as well as a broader light transmission range. Flexible OLEDs based on AgNWs/SF substrates achieve a current efficiency of 19 cd A−1, demonstrating the potential of the flexible AgNWs/SF films as conductive and transparent substrates for next-generation biodegradable devices.
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