Zobrazeno 1 - 10
of 116
pro vyhledávání: '"MIN-JAE CHOI"'
Autor:
Hongjoo Shin, Doosun Hong, Hyunjin Cho, Hanhwi Jang, Geon Yeong Kim, Kyeong Min Song, Min-Jae Choi, Donghun Kim, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Although GaP, a III-V compound semiconductor, has been extensively utilized in the optoelectronic industry for decades as a traditional material, the inherent indirect bandgap nature of GaP limits its efficiency. Here, we demonstrate an indi
Externí odkaz:
https://doaj.org/article/17f09cd6a90f45b9a2b052f6e1f69efa
Autor:
Geon Yeong Kim, Shinho Kim, Ki Hyun Park, Hanhwi Jang, Moohyun Kim, Tae Won Nam, Kyeong Min Song, Hongjoo Shin, Yemin Park, Yeongin Cho, Jihyeon Yeom, Min-Jae Choi, Min Seok Jang, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Three-dimensional optical nanostructures have garnered significant interest in photonics due to their extraordinary capabilities to manipulate the amplitude, phase, and polarization states of light. However, achieving complex three-dimension
Externí odkaz:
https://doaj.org/article/73faa5083b9e4ff6acc7f3020871178a
Autor:
Hong-Pyo Kim, Jong-Yeon Lee, Sung-Hwan Cho, Min-Jae Choi, Sung-Woo Kim, Hyung-Ha Jin, Dong-Jin Kim, Seoung-Sik Hwang, Yun-Soo Lim
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 49-52 (2024)
Fractography of stress corrosion cracking (SCC) of 20% cold worked Type 304 H stainless steel containing δ-ferrite was studied using a compact tension (CT) specimen in oxidizing primary water with a scanning electron microscope (SEM) and electron ba
Externí odkaz:
https://doaj.org/article/349344bf520848d9a79fb6e5c74d929a
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 2, Pp 506-519 (2024)
To simulate the verification process using materials from a decommissioned reactor, a mock-up of the bottom-mounted instrument nozzle in the Kori 1 reactor, where the nozzle was attached to a plate by J-groove dissimilar metal welding, was fabricated
Externí odkaz:
https://doaj.org/article/6fffebf608ac4a66ae3a08f0c6e76512
Autor:
Seungjin Lee, Min-Jae Choi, Geetu Sharma, Margherita Biondi, Bin Chen, Se-Woong Baek, Amin Morteza Najarian, Maral Vafaie, Joshua Wicks, Laxmi Kishore Sagar, Sjoerd Hoogland, F. Pelayo García de Arquer, Oleksandr Voznyy, Edward H. Sargent
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
The realisation of film made up of different compositions using colloidal QD inks remains a challenge because of redispersing of underlying films by polar solvents. Here, the authors introduce aromatic ligands to achieve QD inks in weakly-polar solve
Externí odkaz:
https://doaj.org/article/aeb835dea0a142fa97365e19772fa900
Autor:
Tae Won Nam, Moohyun Kim, Yanming Wang, Geon Yeong Kim, Wonseok Choi, Hunhee Lim, Kyeong Min Song, Min-Jae Choi, Duk Young Jeon, Jeffrey C. Grossman, Yeon Sik Jung
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-11 (2020)
Designing quantum dot light emitting diodes with full-colour pixel arrays with sub-micron feature size remains a challenge. Here, the authors demonstrate red-green-blue quantum dots arrays with resolutions up to 368 pixels per degree by leveraging th
Externí odkaz:
https://doaj.org/article/af9d5691d4f44fdb942507b56c9c79fd
Autor:
Min-Jae Choi, F. Pelayo García de Arquer, Andrew H. Proppe, Ali Seifitokaldani, Jongmin Choi, Junghwan Kim, Se-Woong Baek, Mengxia Liu, Bin Sun, Margherita Biondi, Benjamin Scheffel, Grant Walters, Dae-Hyun Nam, Jea Woong Jo, Olivier Ouellette, Oleksandr Voznyy, Sjoerd Hoogland, Shana O. Kelley, Yeon Sik Jung, Edward. H. Sargent
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
It is challenging to realize doping and surface passivation simultaneously in colloidal quantum dot inks. Here Choi et al. employ a cascade surface modification approach to solve the problem and obtain record high efficiency of 13.3% for bulk homojun
Externí odkaz:
https://doaj.org/article/2ed0f59cdfce4eaaa79a88427ebd3424
Autor:
Hong-Pyo Kim, Yun-Min Park, Hyoung-Min Jang, Sang-Yeob Lim, Min-Jae Choi, Sung-Woo Kim, Dong-Jin Kim, Seong-Sik Hwang, Yun-Soo Lim
Publikováno v:
Metals, Vol 12, Iss 11, p 1794 (2022)
The early-stage M23C6 morphology at the phase boundary between austenite and δ ferrite grain in Type 304L austenitic stainless steel was investigated with transmission electron microscopy (TEM). The M23C6 has coherency with austenite grains at phase
Externí odkaz:
https://doaj.org/article/8f84e7d8780c4aa98267c7ad86376484
Publikováno v:
Micromachines, Vol 13, Iss 10, p 1775 (2022)
Indium phosphide (InP) colloidal quantum dots (CQDs) have generated great interest as next-generation light-emitting materials owing to their narrow emission spectra and environment-friendly components. The minimized surface defects is essential to a
Externí odkaz:
https://doaj.org/article/566ac97782ef48a5b30882cb7dff21fb
Publikováno v:
Nanomaterials, Vol 12, Iss 19, p 3320 (2022)
The rapid development of electric vehicles has generated a recent demand for high energy density lithium-ion batteries (LIBs). One simple, effective way to enhance energy density of LIBs is to increase the thickness of electrodes. However, the conven
Externí odkaz:
https://doaj.org/article/5506d5524d18446aa4cf22f8c9e0573d