Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Hyeonseok Yoo"'
Publikováno v:
Catalysts, Vol 8, Iss 11, p 555 (2018)
Nanotubes of the transition metal oxide, TiO2, prepared by electrochemical anodization have been investigated and utilized in many fields because of their specific physical and chemical properties. However, the usage of bare anodic TiO2 nanotubes in
Externí odkaz:
https://doaj.org/article/16ab693684c24654ae4071ff3791423b
Autor:
Hyeonseok Yoo, Jaewon Lee, Bumgi Heo, Moonsu Kim, Heechae Choi, Jinsub Choi, Minyeong Je, Kiyoung Lee
Publikováno v:
Journal of Materials Chemistry A. 9:2239-2247
In this study, vertically aligned p–n junction TiO2 nanotubes can be formed by anodization of the Ti substrate following the addition of a high electric field in a Pd precursor-containing electrolyte. The bottom region of the TiO2 nanotubes with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::063507635ae70f81f0741b7c8ce41e0e
https://doi.org/10.1039/d0ta10062e
https://doi.org/10.1039/d0ta10062e
Autor:
Sejung Park, Yeeun Song, Boeun Ryu, Young‐Woong Song, Haney Lee, Yejin Kim, Jinsub Lim, Doojin Lee, Hyeonseok Yoon, Changkee Lee, Changhun Yun
Publikováno v:
Advanced Science, Vol 11, Iss 40, Pp n/a-n/a (2024)
Abstract Carbon nanotubes (CNTs), owing to their superior electrical and mechanical properties, are a promising alternative to nonmetallic electrically conducting materials. In practice, cellulose as a low‐cost sustainable matrix has been used to p
Externí odkaz:
https://doaj.org/article/f519116533cf490c86f76fe74a7ca41e
Publikováno v:
Cellulose. 27:2723-2735
Co@Co3O4 nanoparticles highly dispersed on N-doped porous carbon (Co,N–C/TOCNF) were prepared by pyrolysis of the Zn/Co bimetallic ZIF-8/67 in situ grown on the carboxylated cellulose nanofibers (TOCNF) at 900 °C. The physicochemical properties of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6451053ccc942c3c94569ebdcb95a7a
https://doi.org/10.1007/s10570-019-02937-5
https://doi.org/10.1007/s10570-019-02937-5
Publikováno v:
Journal of Electrochemical Science and Technology. 10:271-275
Anodic TiO2 nanotubes were simultaneously grown and doped with RuO2 by single-step anodization in a negatively-charged RuO4− precursor. Subsequently, a high positive voltage was imposed on the nanotubes in an F−-based electrolyte (a process refer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbea83bd03e55d238a808f07480e88ec
https://doi.org/10.33961/jecst.2019.03111
https://doi.org/10.33961/jecst.2019.03111
Publikováno v:
Journal of Power Sources. 431:25-30
Ant-nest nanostructured α-Fe2O3 films with a thickness of 10 μm are anodically grown on stainless steel without any binder, and the resulting material functioned as a current collector in the negative electrode of Li-ion batteries. Phase of Fe2O3 i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a52bfce3915c49e14e9ee12259e4af22
https://doi.org/10.1016/j.jpowsour.2019.05.054
https://doi.org/10.1016/j.jpowsour.2019.05.054
Autor:
Wojciech J. Stępniowski, Paulina Chilimoniuk, Hyeonseok Yoo, Tomasz Czujko, Krzysztof Karczewski, Jinsub Choi
Publikováno v:
Surfaces and Interfaces. 14:15-18
A high-purity copper foil was passivated in aqueous solution of 1.0 M NaOH at −200 mV at room temperature. Top-view micrographs were taken after 30, 90, 150 and 600 s of passivation. Nanowires with a diameter of up to 56 nm, consisting of Cu2O and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4c1b873fad2ea2d19f7ee565d95dee9
https://doi.org/10.1016/j.surfin.2018.10.008
https://doi.org/10.1016/j.surfin.2018.10.008
Autor:
Hyeonseok Yoo, Paweł Jóźwik, Małgorzata Norek, Wojciech Z. Misiolek, Wojciech J. Stępniowski, Jinsub Choi
Publikováno v:
Thin Solid Films. 671:111-119
Electropolished copper foil was passivated in aqueous solution of 1.0 M NaOH at negative potential range vs. silver chloride electrode at room temperature. The passivations were performed at −50, −100, −150, and −200 mV for 1, 5 or 15 h. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::256ff53e25d1b138bbb37ad0fe3d3a5e
https://doi.org/10.1016/j.tsf.2018.12.023
https://doi.org/10.1016/j.tsf.2018.12.023
Publikováno v:
RSC Advances. 9:6589-6595
A SnO2–TiO2 electrode was prepared via anodization and subsequent anodic potential shock for a binder-free anode for lithium-ion battery applications. Perpendicularly oriented TiO2 microcones are formed by anodization; SnO2, originating in a Na2SnO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcdbb5b18fb4840737fd905757059dbe
https://doi.org/10.1039/c8ra10358e
https://doi.org/10.1039/c8ra10358e
Autor:
Ji Hye Lee, Yun Song, Sun Kwang Song, Ara Jeon, Sook Kyung Chang, Jihyun Park, Hyeonseok Yoo, Ji Yea Choi, Jeong Kook Kim
Publikováno v:
Regular and young investigator award abstracts.
Background Immunotherapy with immune checkpoint inhibitors such as PD-(L)1 and CTLA-4 blocker has become an important part of cancer treatment. For the cancers resistant to these drugs, however, many other therapeutic targets are being tested to modu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80b70c8414955e9f5a7f4732bfd7e044
https://doi.org/10.1136/jitc-2020-sitc2020.0218
https://doi.org/10.1136/jitc-2020-sitc2020.0218