Zobrazeno 1 - 10
of 175
pro vyhledávání: '"Lee-Ku Kwac"'
Publikováno v:
Crystals, Vol 14, Iss 11, p 914 (2024)
When compared to natural graphite, artificial graphite has advantages such a longer cycle life, faster charging rates, and better performance. However, the process of producing it, which frequently uses coal, raises questions about the impact on the
Externí odkaz:
https://doaj.org/article/ef154281f9af4952919ef2c81058e63d
Publikováno v:
Micromachines, Vol 15, Iss 2, p 241 (2024)
In the original publication [...]
Externí odkaz:
https://doaj.org/article/c0512463b85c437abe61d104f0dafbc6
Publikováno v:
Nanomaterials, Vol 14, Iss 4, p 349 (2024)
This study developed an advanced 850 nm centered distributed Bragg reflector (DBR) (broadband DBR) composed of nanomaterial-based multiple structures to improve the optical efficiency of an 850 nm near-infrared light-emitting diode (NIR-LED). A combi
Externí odkaz:
https://doaj.org/article/7c6cf222b16e42a7b3c205618d630313
Publikováno v:
Micromachines, Vol 14, Iss 8, p 1586 (2023)
This study investigated a reflective transparent structure to improve the optical efficiency of 850 nm infrared light-emitting diodes (IR-LEDs), by effectively enhancing the number of extracted photons emitted from the active region. The reflective t
Externí odkaz:
https://doaj.org/article/a3c33f11326745458885c240e5d4c97d
Publikováno v:
Micromachines, Vol 14, Iss 5, p 1053 (2023)
The Al/Au alloy was investigated to improve the ohmic characteristic and light efficiency of reflective infrared light-emitting diodes (IR-LEDs). The Al/Au alloy, which was fabricated by combining 10% aluminum and 90% gold, led to considerably improv
Externí odkaz:
https://doaj.org/article/e837482b697345878d9013d64e72b52c
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2561 (2023)
This study carried out a simplified baffle filter shape study on the over the range (OTR) filter used in a general kitchen. In order to improve the filter’s efficiency, the simulation was performed using ANSYS FLUENT and COMSOL Multiphysics, and a
Externí odkaz:
https://doaj.org/article/11cfabc404de44779e15a44ebaa4938e
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract A series of thermotropic liquid crystal copolyesters (Co-TLCPs) was prepared by melt polymerization using 2,5-diethoxyterephthalic acid (DTA), 2,7-dihydroxynaphthalene (DHN), and p-hydroxybenzoic acid (HBA) monomers, where the HBA content wa
Externí odkaz:
https://doaj.org/article/4254b19334874ed688f260afdd8138e7
Autor:
Ae Ran Lim, Lee Ku Kwac
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract To support the development of eco-friendly hybrid perovskite solar cells, structural, thermal, and physical properties of the lead-free hybrid perovskite [NH3(CH2)3NH3]CuBr4 were investigated using X-ray diffraction (XRD), differential scann
Externí odkaz:
https://doaj.org/article/4d20ba8e2c8f4d9aaed06e8287d58fd4
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 2140-2149 (2021)
In this study, the wet method was used to manufacture the short-carbon fibers (CFs) and polyethylene-based non-woven fabric for joule heating applications. The heating performance of the fabric was investigated according to the combination ratio of s
Externí odkaz:
https://doaj.org/article/7630268d35e04b43b047a105ad5263f4
Publikováno v:
ACS Omega, Vol 6, Iss 29, Pp 19006-19016 (2021)
Externí odkaz:
https://doaj.org/article/089daa20424443e195d464d65e1b0606