Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Jung Hun Kwak"'
Autor:
Nam Il Cho, Jong Woo Hong, Hee Jin Yoo, Hyeong Joon Eoh, Chan Ho Kim, Jun Won Jeong, Kyung Lim Kim, Jung Hun Kwak, Yong Jun Cho, Dong Woo Kim, Geun Young Yeom
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract Oxide/Nitride/Oxide/Nitride (ONON; SiO2/SiNx/SiO2/SiNx) stacked structure is widely used in the 3D vertical structure of semiconductor cells. Previously, to form a 3D cells, photoresist (PR) was patterned and repeatedly trimmed on the top of
Externí odkaz:
https://doaj.org/article/9a37871ee21b45948cf2106c555386e4
Autor:
Woo-Jae Kim, In-Young Bang, Ji-Hwan Kim, Yeon-Soo Park, Hee-Tae Kwon, Gi-Won Shin, Min-Ho Kang, Youngjun Cho, Byung-Hyang Kwon, Jung-Hun Kwak, Gi-Chung Kwon
Publikováno v:
Materials, Vol 14, Iss 11, p 3026 (2021)
The use of NF3 is significantly increasing every year. However, NF3 is a greenhouse gas with a very high global warming potential. Therefore, the development of a material to replace NF3 is required. F3NO is considered a potential replacement to NF3.
Externí odkaz:
https://doaj.org/article/2af626a19e554cee878df1d505c52ecd
Publikováno v:
International Journal of Hydrogen Energy. 41:6220-6229
Redox cycles of methane reforming (MR) and water splitting (WS) of cerium-tungsten composite oxides were investigated at 1223 K for the cyclic production of syngas and hydrogen. Among various composite oxides tested having different Ce/W ratios, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb7d12be769a146acbbdd7077ee41de5
https://doi.org/10.1016/j.ijhydene.2016.03.062
https://doi.org/10.1016/j.ijhydene.2016.03.062
Publikováno v:
International Journal of Hydrogen Energy. 40:2518-2528
Characteristics of TiO2 reduction by methane and re-oxidation by water were investigated at 1223 and 1273 K. The aim of this study was to evaluate the potential of TiO2 as a stable support material for other oxides, such as CeO2 and WO3, which could
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3c33e98b033c695a1502bfc9f97206e
https://doi.org/10.1016/j.ijhydene.2014.12.074
https://doi.org/10.1016/j.ijhydene.2014.12.074
Publikováno v:
Korean Journal of Chemical Engineering. 31:961-971
For cyclic production of syngas and H2 by redox (methane reforming-water splitting) operations, samples of tungsten oxides supported on nano-size zirconia (WO3/n-ZrO2) were investigated at 1,223 and 1,273 K and compared with those on micron-size zirc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::765f9e6ee1037bdfff29f11378a37cf3
https://doi.org/10.1007/s11814-014-0008-4
https://doi.org/10.1007/s11814-014-0008-4
Autor:
Jung-Gon Kim, Kwang-Hwa Jeong, Heekwon Ahn, Jung-Hun Kwak, Modabber Ahmed Khan, Dong-Hyun Lee, Eunjong Kim
Publikováno v:
Journal of Animal Environmental Science. 19:39-46
This study was carried out to compare the filtration effect of anaerobic digestion waste water by compost filtration bed. Three types of filtration systems were set for filtration test following to composition of bedding materials. Two filtration sys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::623957f729126cbe77edcb9617aecbad
https://doi.org/10.11109/jaes.2013.19.1.039
https://doi.org/10.11109/jaes.2013.19.1.039
Publikováno v:
International Journal of Hydrogen Energy. 38:8293-8305
ZrO2-supported tungsten oxides were used for cyclic production of syngas and hydrogen by methane reforming (reduction) and water splitting (re-oxidation). The reduction characteristics of WO3 to WO2 and WO2 to W were examined at various temperatures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19223ca3f34bdc04aebe7c0ceed1e257
https://doi.org/10.1016/j.ijhydene.2013.04.082
https://doi.org/10.1016/j.ijhydene.2013.04.082
Publikováno v:
International Journal of Hydrogen Energy. 36:15221-15230
Stepwise production of syngas and hydrogen from ZrO2-supported CeO2 through methane reforming and water splitting was investigated in order to find proper operating conditions under which carbon deposition could be minimized. Recommendable operating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9981e5f2706a31f6534ec8ccba5dc0ca
https://doi.org/10.1016/j.ijhydene.2011.08.079
https://doi.org/10.1016/j.ijhydene.2011.08.079
Publikováno v:
Korean Journal of Chemical Engineering. 28:1833-1838
Mixtures of methane and small amounts of ethane were decomposed in the presence of carbon black (CB) catalysts at 1,073–1,223 K for hydrogen production. Although most of the added ethane was first decomposed to ethylene and hydrogen predominantly b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97bbcc31ed4a242e36b7ac82e75af0cd
https://doi.org/10.1007/s11814-011-0064-y
https://doi.org/10.1007/s11814-011-0064-y
Autor:
Mi So Kim, Jung Hun Kwak, Tae Jin Lee, Gui Young Han, Sang Yup Lee, Jong Hyeok Park, Ki June Yoon
Publikováno v:
Carbon. 48:2030-2036
The catalytic activities of rubber, color and conductive carbon black catalysts for decomposition of ethane were investigated in the temperature range from 973 to 1173 K. Significantly higher ethane conversion and lower ethylene selectivity were obta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c90a5f0931d9980502d04fc0f3c8408
https://doi.org/10.1016/j.carbon.2010.02.011
https://doi.org/10.1016/j.carbon.2010.02.011