Zobrazeno 1 - 10
of 260
pro vyhledávání: '"Cheul Ro Lee"'
Autor:
Bagavath Chandran, Jeong-Kyun Oh, Sang-Wook Lee, Dae-Young Um, Sung-Un Kim, Vignesh Veeramuthu, Jin-Seo Park, Shuo Han, Cheul-Ro Lee, Yong-Ho Ra
Publikováno v:
Nano-Micro Letters, Vol 16, Iss 1, Pp 1-34 (2024)
Highlights In-depth review assesses III–V materials for efficient hydrogen generation and CO2 reduction in renewable energy technologies. Exploration of strategies for broad light absorption and increased efficiency in water splitting processes and
Externí odkaz:
https://doaj.org/article/adedcaa339454fc6ac3957664810bc62
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-5 (2023)
The extended reality (XR) display, including augmented reality (AR) and virtual reality (VR), requires ultrahigh-resolution and high-luminance pixel technology. GaN-based micro-LEDs are the most promising for high-density pixel applications. However,
Externí odkaz:
https://doaj.org/article/cc7a85bbd6cf4e9e8e39c8a1af5d69b5
Autor:
Dan Na, Hyeonwoo Jeong, Baeksang Yoon, Roopa Kishore Kampara, Suresh Mamidi, Cheul-Ro Lee, Dong Ick Son, Inseok Seo
Publikováno v:
Materials Today Advances, Vol 19, Iss , Pp 100389- (2023)
Commercial Li-ion batteries are vital to our daily lives, powering everything from portable devices to high-powered electric vehicles. The current usage of flammable liquid electrolytes in conventional Li-ion batteries creates risks, necessitating th
Externí odkaz:
https://doaj.org/article/8202f79cf0324a4bb276e843475f88ec
Autor:
Hyeonwoo Jeong, Dan Na, Jiyeon Baek, Sanggil Kim, Suresh Mamidi, Cheul-Ro Lee, Hyung-Kee Seo, Inseok Seo
Publikováno v:
Nanomaterials, Vol 12, Iss 7, p 1158 (2022)
Commercial lithium-ion batteries using liquid electrolytes are still a safety hazard due to their poor chemical stability and other severe problems, such as electrolyte leakage and low thermal stability. To mitigate these critical issues, solid elect
Externí odkaz:
https://doaj.org/article/09be942f388e4b8798044b280d8566a3
Publikováno v:
Materials & Design, Vol 195, Iss , Pp 108995- (2020)
Owing to the extremely low stiffness of elastomeric materials commonly used as substrates of stretchable devices, fabrication of stretchable devices is usually performed with an elastic film attached to a rigid temporary substrate. The problem is tha
Externí odkaz:
https://doaj.org/article/815d649873f0414ebdf1b416b6c0835f
Publikováno v:
Energies, Vol 14, Iss 19, p 6010 (2021)
This study reports an integrated device of a lithium-ion battery (LIB) connected with Si solar cells. A Li(Ni0.65Co0.15Mn0.20)O2 (NCM) cathode and a graphite (G) anode were used to fabricate the lithium-ion battery (LIB). The surface and shape morpho
Externí odkaz:
https://doaj.org/article/74edc180f35b410f8a41fc9e0f8874d8
Autor:
Kwanjae Lee, Ilgyu Choi, Cheul-Ro Lee, Tae-Hoon Chung, Yoon Seok Kim, Kwang-Un Jeong, Dong Chul Chung, Jin Soo Kim
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract We report a phosphor-free white light-emitting diodes (LED) realized by the monolithic integration of In0.18Ga0.82N/GaN (438 nm, blue), In0.26Ga0.74N/GaN (513 nm, green), and In0.45Ga0.55N/In0.13Ga0.87N (602 nm, red) quantum wells (QWs) as a
Externí odkaz:
https://doaj.org/article/4e6f366dd38f43b189baa44397c0d2c4
Publikováno v:
ACS Photonics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1e33dcfa774ba93761eeb1d7e760a25
https://doi.org/10.1021/acsphotonics.3c00132
https://doi.org/10.1021/acsphotonics.3c00132
External Catalyst-Free InGaN Photoelectrode for Highly Efficient Energy Conversion and H2 Generation
Autor:
Dae-Young Um, Bagavath Chandran, Jeong-Kyun Oh, Sung-Un Kim, Yu Yeon Tae, Ji-Hyeon Park, Cheul-Ro Lee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d40f4f2c23e69c174ea03d0f02320966
https://doi.org/10.2139/ssrn.4435338
https://doi.org/10.2139/ssrn.4435338
Publikováno v:
Journal of Materials Chemistry C. 9:12802-12810
We report an approach for improving the photoelectrochemical water splitting (PEC–WS) performance using GaN-nanowire (NW) bundles (GNW-BDLs) as the photoanode material. The bundles were formed by dipping GaN NWs with an average length of 648.3 nm a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f3f6a2629c16d496ac7ef6c99e0f3ec
https://doi.org/10.1039/d1tc02741g
https://doi.org/10.1039/d1tc02741g