Chen, C.-P.C.-P.ChenChiang, C.-Y.C.-Y.ChiangYu, Y.-Y.Y.-Y.YuHsiao, Y.-S.Y.-S.HsiaoWEN-CHANG CHEN2019-05-092019-05-092017https://scholars.lib.ntu.edu.tw/handle/123456789/407110Electronic skins and smart textiles are emerging applications integrating wearable displays, smart sensing systems, health-care monitors, and stretchable power systems. Although various deformable optoelectronic devices have been demonstrated, high-performance stretchable photovoltaic (PV) devices remain a significant challenge in device engineering and materials optimization. In this paper, we demonstrate how a ubiquitous material—3 M™ tape—can be used as a transparent substrate for highly efficient stretchable organic PV devices. Indeed, we constructed a stretchable OPV device displaying a power conversion efficiency (PCE) of 5.2% (under AM 1.5G 1000 W m−2)—the highest reported to date; in addition, this device retained 80% of its original PCE after 50 cycles of stretching at 20% strain. This study paves the way toward fully deformable OPVs for integration in wearable electronics. © 2017 Elsevier B.V.Organic photovoltaic; Power conversion efficiency; Stretchable[SDGs]SDG7Conversion efficiency; Deformation; Efficiency; Optoelectronic devices; Substrates; Wearable technology; Device engineering; Electronic skin; Emerging applications; Organic photovoltaics; Power conversion efficiencies; Stretchable; Transparent substrate; Wearable displays; Display devicesjournal article10.1016/j.solmat.2017.02.0352-s2.0-85014891958