Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Taek-Yong Hwang"'
Publikováno v:
Nanomaterials, Vol 11, Iss 8, p 2010 (2021)
We investigated the colorimetric behaviors of metal surfaces with unidirectional low-spatial-frequency laser-induced periodic surface structures (UD-LSFLs) and omnidirectional LSFLs (OD-LSFLs) fabricated using femtosecond laser pulse irradiation. Wit
Externí odkaz:
https://doaj.org/article/651ca203bf16479095ac853d1ef41a3c
Autor:
Taek Yong Hwang, Jongweon Cho, Yong-dae Kim, Tae Hoon Park, Jung Eon Son, Jeongjin Kang, Byounghwak Lee
Publikováno v:
Optics Express. 31:1776
Structurally colored materials present potential technological applications including anticounterfeiting tags for authentication due to the ability to controllably manipulate colors through nanostructuring. Yet, no applications of deep learning algor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cea0e11e1acced17fa18b8569fb42b89
https://doi.org/10.1364/oe.478670
https://doi.org/10.1364/oe.478670
Publikováno v:
Micromachines, Vol 9, Iss 11, p 551 (2018)
Triboelectric nanogenerators (TENG), which utilize contact electrification of two different material surfaces accompanied by electrical induction has been proposed and is considered as a promising energy harvester. Researchers have attempted to form
Externí odkaz:
https://doaj.org/article/e8c6b6edad1744db9825ce840096bada
Publikováno v:
Applied Surface Science. 493:231-238
With femtosecond (fs) laser pulse irradiation, a simple but efficient technique to fabricate bi- and quad-directional low spatial frequency laser-induced periodic surface structures (BD- and QD-LSFLs) is suggested on metals. By inserting a quartz wed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39fbf6b416cd60719141bdefc949957e
https://doi.org/10.1016/j.apsusc.2019.07.025
https://doi.org/10.1016/j.apsusc.2019.07.025
Publikováno v:
Journal of the Korean Physical Society. 75:448-453
Spatial and temporal exploration of charge carriers with secondary electrons emitted from surfaces and interfaces of materials offers novel and complementary opportunities for deepening our knowledge about charge transport in real space and time for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b563f6c17b0503a809dc7177613e86d6
https://doi.org/10.3938/jkps.75.448
https://doi.org/10.3938/jkps.75.448
Publikováno v:
Optics letters. 45(13)
Following femtosecond (fs) laser pulse irradiation, the formation of a new type of low-spatial-frequency laser-induced periodic surface structure (LSFL) patterns, namely, omnidirectional LSFLs (OD-LSFLs) with the periodic ordering of their orientatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ec33af8d332973f0145f1b68183babb
https://pubmed.ncbi.nlm.nih.gov/32630865
https://pubmed.ncbi.nlm.nih.gov/32630865
Publikováno v:
Applied Surface Science. 454:327-333
Under femtosecond laser pulse irradiation, the selective control of structural periods of low spatial frequency laser-induced periodic surface structures (LSFLs) is investigated on metals at large incident beam angles. As increasing the number of irr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f608c7509abe2d5cca32023b95ecc6f
https://doi.org/10.1016/j.apsusc.2018.05.158
https://doi.org/10.1016/j.apsusc.2018.05.158
Autor:
Sung Jea Park, Taek Yong Hwang, Jeong Young Choi, Jeongjin Kang, Moonwoo La, Dongwhi Choi, Seokkwan Hong
Publikováno v:
Applied Surface Science. 527:146823
Micro- or nano-engineered (MNE) metal surfaces have high industrial utility because they have high mechanical strength, and also possess the electromagnetic properties of the metal and structure-mediated surface characteristics. Therefore, there is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08fb7064e2cc9e47a27a9dd1f28b4620
https://doi.org/10.1016/j.apsusc.2020.146823
https://doi.org/10.1016/j.apsusc.2020.146823
A better understanding of charge carrier dynamics in graphene is key to improvement of its electronic performance. Here, we present direct space-time visualization of carrier relaxation and diffusion in monolayer graphene using time-resolved scanning
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53e85f25b02b1a500e4aa41c166f58ba
https://resolver.caltech.edu/CaltechAUTHORS:20180508-091125158
https://resolver.caltech.edu/CaltechAUTHORS:20180508-091125158
Publikováno v:
Nanoscale. 7:7138-7142
We present a roll-to-roll, continuous patterning and transfer of graphene sheets capable of residue-free and fast patterning. The graphene sheet is supported with dispersive adhesion. Graphene is continuously patterned by the difference in adhesion f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf0cb097dc21e98bf6a76ee5795e150d
https://doi.org/10.1039/c4nr06991a
https://doi.org/10.1039/c4nr06991a