Zobrazeno 1 - 10
of 247
pro vyhledávání: '"Kee Joo Chang"'
Publikováno v:
ACS Omega, Vol 9, Iss 27, Pp 29820-29828 (2024)
Externí odkaz:
https://doaj.org/article/6ba535a05bb34b34aa686b1c0806fd41
Autor:
Dae Yun Kang, Bo-Hyun Kim, Tae Ho Lee, Jae Won Shim, Sungmin Kim, Ha-Jun Sung, Kee Joo Chang, Tae Geun Kim
Publikováno v:
Nano-Micro Letters, Vol 13, Iss 1, Pp 1-15 (2021)
Abstract Ultrathin film-based transparent conductive oxides (TCOs) with a broad work function (WF) tunability are highly demanded for efficient energy conversion devices. However, reducing the film thickness below 50 nm is limited due to rapidly incr
Externí odkaz:
https://doaj.org/article/7cd12b52dc8e45eaa9ea49d2591b83cc
Publikováno v:
Science and Technology of Advanced Materials, Vol 16, Iss 3 (2015)
Oxygen vacancies have been considered as the origin of threshold voltage instability under negative bias illumination stress in amorphous oxide thin film transistors. Here we report the results of first-principles molecular dynamics simulations for t
Externí odkaz:
https://doaj.org/article/1bdd9e6411564a2e9276f02ca4600482
Autor:
Bo Hyun Kim, Dae Yun Kang, Tae Ho Lee, Sungmin Kim, Jae Won Shim, Ha-Jun Sung, Kee-Joo Chang, Tae Geun Kim
Publikováno v:
Nano-Micro Letters, Vol 13, Iss 1, Pp 1-15 (2021)
Nano-Micro Letters
Nano-Micro Letters
Highlights Dopant-tunable transparent conductive oxide (≤ 50 nm) fabricated via electric-field-driven metal implantation (m-TCOs; m= Ni, Ag, and Cu) is demonstrated.The m-TCOs exhibit ultrahigh transparency, low sheet resistance, and broad work fun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::017db652b56c51ec971bf2b36e2d004d
https://doaj.org/article/7cd12b52dc8e45eaa9ea49d2591b83cc
https://doaj.org/article/7cd12b52dc8e45eaa9ea49d2591b83cc
Publikováno v:
Physical Review Materials. 5
Silicon is a semiconductor and widely used as the key element for modern electronic devices. Various metallic superconducting phases have been reported, but most retain their crystal structure at high pressures. Thus, it remains a challenge to search
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::331e4b60579eec4d9791291b279cae20
https://doi.org/10.1103/physrevmaterials.5.104802
https://doi.org/10.1103/physrevmaterials.5.104802
Publikováno v:
The Journal of Physical Chemistry C. 123:1839-1845
Silicene has a two-dimensional buckled honeycomb lattice and is chemically reactive because of its mixed sp2–sp3 bonding character unlike graphene. Despite recent advances in epitaxial growth, it r...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1cc638e13f852518fd96f7e5169d23e
https://doi.org/10.1021/acs.jpcc.8b10475
https://doi.org/10.1021/acs.jpcc.8b10475
Publikováno v:
Applied Catalysis B: Environmental. 227:340-348
Herein, we report a novel strategy to promote electrochemical oxygen evolution reaction (OER) on cobalt (Co) surface by coupling Co to molybdenum carbide (Mo2C). Chemically coupled Co and Mo2C nanoparticles were synthesized through a simple heat trea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0afec4d323692b10eb9461d09f4f2825
https://doi.org/10.1016/j.apcatb.2018.01.051
https://doi.org/10.1016/j.apcatb.2018.01.051
Publikováno v:
Journal of Materials Chemistry A. 6:22731-22740
Lithium was substituted on the alkali site of an O3-type layered structure as cathode material for sodium-ion batteries (SIBs). Role of Li in Na intercalation and high performance is reported for the first time. The behavior of Na during intercalatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e87a5258bf9d09755f8fd4b4cf8516ce
https://doi.org/10.1039/c8ta06159a
https://doi.org/10.1039/c8ta06159a
Autor:
Kee-Joo Chang, In-Ho Lee
Publikováno v:
Computational Materials Science. 194:110436
Here we report a method of finding multiple crystal structures similar to the known crystal structures of materials on database through machine learning. The radial distribution function is used to represent the general characteristics of the known c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a922458783c4c21d32136a10c6f8845
https://doi.org/10.1016/j.commatsci.2021.110436
https://doi.org/10.1016/j.commatsci.2021.110436
Autor:
Jaeyoon Baik, Kee-Joo Chang, Jongho Park, Heejun Yang, Duk-Hyun Choe, Young Hee Lee, Dohyun Kim, Suyeon Cho, Seung Hyun Song, Ho Sung Yu, Sung Wng Kim, Sera Kim
Publikováno v:
Nano Letters. 17:3363-3368
Doping two-dimensional (2D) semiconductors beyond their degenerate levels provides the opportunity to investigate extreme carrier density-driven superconductivity and phase transition in 2D systems. Chemical functionalization and the ionic gating hav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13fb319d0c61022e9fa592ee766449a2
https://doi.org/10.1021/acs.nanolett.6b05199
https://doi.org/10.1021/acs.nanolett.6b05199