A research article by Mechanical Engineering Department Professor Yang and postdoctoral researcher Park, along with several co-workers – “Structural Color Generation on Transparent and Flexible Substrates by Nanosecond Laser Induced Periodic Surface Structures” – was selected as the cover picture of the journal Advanced Materials Technologies, published on May 24, 2023. Being selected as the cover picture of a journal article has the significance of being regarded as a representative feature of the journal and promotes advertisement through various media to attract the public. Professors Yang and Park’s research is about:
“Laser-induced periodic surface structures (LIPSS) fabricated by a nanosecond pulse laser patterning on metal-organic thin films. The photothermal effects, such as thermocapillary flow inducing the material reorganization, are mainly responsible for the controlled LIPSS formation. The LIPSS patterns exhibit iridescent structural coloration while illuminated with white light, distinguishing the color spectrum from red to blue. After that, the LIPSS patterned substrates serve as a mold, and the nanostructures are successfully transferrable to the poly dimethyl siloxane (PDMS), showing the mirror symmetry iridescent structural coloration. These results reveal that the solution-based LIPSS pattern formation from metal-organic thin film-coated substrates can effectively be extended for various optical applications and micro/nanostructure transferring tools for flexible/stretchable electronics.”
Arthanari, S., Park, J.-E., Bose, S., Kang, H.W., Kim, S., Yang, M., Lee, H. and Hwang, J.S. (2023), Structural Color Generation on Transparent and Flexible Substrates by Nanosecond Laser Induced Periodic Surface Structures (Adv. Mater. Technol. 10/2023). Adv. Mater. Technol., 8: 2370044. https://doi.org/10.1002/admt.202370044
Professor Min Yang Yang is a leading professor in SUNY Korea. Yang received his BS and MS from Seoul National University and his PhD from the Massachusetts Institute of Technology (MIT). His research areas are nanobiotechnology, sensor fabrication, and precision engineering.
Professor Jong Eun Park received his BS and PhD degrees in Mechanical Engineering from KAIST. Park has served as the postdoctoral researcher in Mechanical Engineering at SUNY Korea since March 2021, and also the adjunct professor since September 2022. His research interests are laser material processing and spectral sensing.
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