360° omnidirectional, printable and transparent photodetectors for flexible optoelectronics

Der-Hsien Lien, Hsin Ping Wang, Shih Bin Chen, Yu Chieh Chi, Chung Lun Wu, Gong Ru Lin, Ying Chih Liao, Jr Hau He*


研究成果: Article同行評審

38 引文 斯高帕斯(Scopus)


Flexible optoelectronics that can be bent, wrapped, and stretched have attracted interest for wearable and mobile applications. In this work, we demonstrate a transparent 360° omnidirectional photodetector (PD) that can be stretched and wrapped around flexible or curved substrates. By embedding interlaced ZnO and Ag nanowires (NWs) in thermoplastic polyurethane via inkjet printing, the device featured > 75% transmittance in the visible region, showing high photoresponsivity and response time (10–30 A/W and 0.8 s, respectively). Moreover, the flexible PD performs well under deformation (only 9% decay in the photocurrent under 60% strain and 8% loss when the device is bent at a radius of 5 mm), which allows it to be readily applied on curved surfaces, such as skin or optical fibers. This study opens the door for the development of flexible optoelectronics that could be implemented in fiber optics, wearable electronics, self-powered systems, bio-signal monitors, and epidermal electronics.

期刊npj Flexible Electronics
出版狀態Published - 1 12月 2018


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