Zobrazeno 1 - 10
of 149
pro vyhledávání: '"Won Youl Choi"'
Autor:
Enkhtuvshin Enkhbayar, Ashish Gaur, Jin Uk Jang, Arpan Kumar Nayak, Kyeong‐Han Na, Won‐Youl Choi, HyukSu Han
Publikováno v:
ChemElectroChem, Vol 11, Iss 12, Pp n/a-n/a (2024)
Abstract Over the past decades, tremendous effort has been made to enhance the water‐splitting via fabricating eco‐friendly electrocatalyst with increased conductivity, and large number of accessible active sites in lab scale. However, the develo
Externí odkaz:
https://doaj.org/article/b279aba148964bdcaf02495317eaec7d
Publikováno v:
Polymers, Vol 16, Iss 5, p 694 (2024)
Titanium dioxide (TiO₂) is a widely studied material with many attractive properties such as its photocatalytic features. However, its commercial use is limited due to issues such as deactivation in the visible spectrum caused by its wide bandgap a
Externí odkaz:
https://doaj.org/article/a76d94bb586c4784861a4fde64c9b1d0
Autor:
Nguyen Thi Thu Thao, Kwangsoo Kim, Jeong Ho Ryu, Byeong‐Seon An, Arpan Kumar Nayak, Jin Uk Jang, Kyeong‐Han Na, Won‐Youl Choi, Ghulam Ali, Keun Hwa Chae, Muhammad Akbar, Kyung Yoon Chung, Hyun‐Seok Cho, Jong Hyeok Park, Byung‐Hyun Kim, HyukSu Han
Publikováno v:
Advanced Science, Vol 10, Iss 16, Pp n/a-n/a (2023)
Abstract Oxygen evolution reaction (OER) under acidic conditions becomes of significant importance for the practical use of a proton exchange membrane (PEM) water electrolyzer. In particular, maximizing the mass activity of iridium (Ir) is one of the
Externí odkaz:
https://doaj.org/article/aecad61f10334546aa95e9cda1a7ebde
Publikováno v:
Polymers, Vol 15, Iss 1, p 134 (2022)
The superior chemical and electrical properties of TiO2 are considered to be suitable material for various applications, such as photoelectrodes, photocatalysts, and semiconductor gas sensors; however, it is difficult to commercialize the application
Externí odkaz:
https://doaj.org/article/5834ebc078a74de49d78f22aab093fc1
Autor:
So Jung Kim, Heechae Choi, Jeong Ho Ryu, Kang Min Kim, Sungwook Mhin, Arpan Kumar Nayak, Junghwan Bang, Minyeong Je, Ghulam Ali, Kyung Yoon Chung, Kyeong-Han Na, Won-Youl Choi, Sunghwan Yeo, Jin Uk Jang, HyukSu Han
Publikováno v:
Journal of Energy Chemistry. 81:82-92
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40820f72885f4cbd8cab87e860ae6c30
https://doi.org/10.1016/j.jechem.2023.02.033
https://doi.org/10.1016/j.jechem.2023.02.033
Publikováno v:
Polymers, Vol 13, Iss 23, p 4247 (2021)
Ni0.5Zn0.5Fe2O4 nanofibers with an average diameter of 133.56 ± 12.73 nm were fabricated by electrospinning and calcination. According to our thermogravimetric—differential thermal analysis and X-ray diffraction results, the calcination temperatur
Externí odkaz:
https://doaj.org/article/b1f5914d3cc6455390a6f7d2c3258dda
Autor:
Min-Zy Kim, Syed Fakhar Alam, Devipriyanka Arepalli, Aafaq ur Rehman, Won-Youl Choi, Churl-Hee Cho
Publikováno v:
Nanomaterials, Vol 11, Iss 8, p 2113 (2021)
Chabazite (CHA) zeolite membranes with an intermediate layer of various thicknesses were prepared using planetary-milled seeds with an average particle diameter of 300, 250, 200, 140, and 120 nm. The 120 nm seed sample also contained several smaller
Externí odkaz:
https://doaj.org/article/1caae1171f1d4d62be9da11150ebe3e7
Autor:
Kyeong-Han Na, Bo-Sung Kim, Han-Sol Yoon, Tae-Hyeob Song, Sung-Wook Kim, Churl-Hee Cho, Won-Youl Choi
Publikováno v:
Polymers, Vol 13, Iss 16, p 2634 (2021)
For the removal of pollutants, a modified TiO2 photocatalyst is attracting attention. Fe-doped TiO2 nanofibers were prepared through a combination of electrospinning and calcination. Morphological characterization of the sample was conducted using fi
Externí odkaz:
https://doaj.org/article/90e5c82fd1a54ecaa93907bf65ac6b5e
Publikováno v:
Nanomaterials, Vol 11, Iss 6, p 1616 (2021)
Titanium dioxide has excellent chemical, electrical, and optical properties, as well as good chemical stability. For that reason, it is widely used in many fields of study and industry, such as photocatalysts, organic solar cells, sensors, dental imp
Externí odkaz:
https://doaj.org/article/5034dde9e74c43ab9ea635284fd04b19
Autor:
Enkhbayar Enkhtuvshin, Sunghwan Yeo, Hyojeong Choi, Kang Min Kim, Byeong‐Seon An, Swarup Biswas, Yongju Lee, Arpan Kumar Nayak, Jin Uk Jang, Kyeong‐Han Na, Won‐Youl Choi, Ghulam Ali, Keun Hwa Chae, Muhammad Akbar, Kyung Yoon Chung, Kyoungmin Yoo, Yong‐Chae Chung, Tae Ho Shin, Hyeok Kim, Chan‐Yeup Chung, HyukSu Han
Publikováno v:
Advanced Functional Materials. 33
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90a9c7345b5afc00b1490ea5da129e41
https://doi.org/10.1002/adfm.202370134
https://doi.org/10.1002/adfm.202370134