Listyawan, Michael Abraham Song, Hyunseok Jung, Ji Yun Shin, Joonchul Hwang, Geon-Tae Song, Hyun-Cheol Ryu, Jungho 2024-01-19T09:31:55Z 2024-01-19T09:31:55Z 2023-05-04 2023-06 2198-3844 https://pubs.kist.re.kr/handle/201004/113703 The energy crisis and global shift toward sustainability drive the need for sustainable technologies that utilize often-wasted forms of energy. A multipurpose lighting device with a simplistic design that does not need electricity sources or conversions can be one such futuristic device. This study investigates the novel concept of a powerless lighting device driven by stray magnetic fields induced by power infrastructure for obstruction warning light systems. The device consists of mechanoluminescence (ML) composites of a Kirigami-shaped polydimethylsiloxane (PDMS) elastomer, ZnS:Cu particles, and a magneto-mechano-vibration (MMV) cantilever beam. Finite element analysis and luminescence characterization of the Kirigami structured ML composites are discussed, including the stress-strain distribution map and comparisons between different Kirigami structures based on stretchability and ML characteristic trade-offs. By coupling a Kirigami-structured ML material and an MMV cantilever structure, a device that can generate visible light as luminescence from a magnetic field can be created. Significant factors that contribute to luminescence generation and intensity are identified and optimized. Furthermore, the feasibility of the device is demonstrated by placing it in a practical environment. This further proves the functionality of the device in harvesting weak magnetic fields into luminescence or light, without complicated electrical energy conversion steps. English Wiley-VCH Verlag Magnetically Driven Powerless Lighting Device with Kirigami Structured Magneto-Mechanoluminescence Composite Article 10.1002/advs.202207722 1 Advanced Science, v.10, no.17 Advanced Science 10 17 Y scie scopus 000972396400001 2-s2.0-85152899770 Chemistry, Multidisciplinary Nanoscience & Nanotechnology Materials Science, Multidisciplinary Chemistry Science & Technology - Other Topics Materials Science Article GENERATOR FILM kirigami lighting devices magnetically-driven devices mechanoluminescence composites ZnS Cu