Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Yung Ho Kahng"'
Autor:
Jin Yong An, Yung Ho Kahng
Publikováno v:
AIP Advances, Vol 8, Iss 1, Pp 015107-015107-6 (2018)
Optical observation of graphene on substrates is an important aspect of graphene research. However, while graphene visibility on SiO2/Si substrates has already been thoroughly investigated, that on Si3N4/Si substrates, which excludes background oxyge
Externí odkaz:
https://doaj.org/article/d087797fc1364d32a86cf15329492339
Autor:
MaengJun Kim, Yung Ho Kahng, Yong Jae Kim, T. Prem kumar, KwangMook Park, Kwanghee Lee, Jae-Hyung Jang
Publikováno v:
AIP Advances, Vol 3, Iss 3, Pp 032121-032121 (2013)
The plasma reduction process for the production of reduced graphene oxide (rGO) requires precise process control in order to avoid the degradation of electrical characteristics. We report that the reduction status of the graphene oxides could be dete
Externí odkaz:
https://doaj.org/article/8b4d063db1484ca6b4ea04d4082d913f
Autor:
Maeng Jun Kim, Yonkil Jeong, SangHo Sohn, Sung Yeup Lee, Yong Jae Kim, Kwanghee Lee, Yung Ho Kahng, Jae-Hyung Jang
Publikováno v:
AIP Advances, Vol 3, Iss 1, Pp 012117-012117 (2013)
Reduced graphene oxide (rGO) has been produced using an ammonia (NH3) plasma reduction method. Simultaneous nitrogen doping during the reduction process enabled a rapid and low-temperature restoration of the electrical properties of the rGO. The chem
Externí odkaz:
https://doaj.org/article/95a20808d44d4d2eb8e1954484b4138d
Autor:
Manikandan Palaniappan, David Selvaraj, Sabariswaran Kandasamy, Yung Ho Kahng, Mathiyazhagan Narayanan, Ramesh Rajendran, Rajavel Rangappan
Publikováno v:
Environmental Research. 215:114325
A sequence of Schiff base Cobalt (II) Mobile Composite Matter 41 heterojunction (SBCo(II)-MCM 41) was prepared by post-synthetic protocols. Various characterization techniques were used to characterize the above samples and MCM 41: Morphology, functi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::971d1257baa3487935ab1e58aaecd896
https://doi.org/10.1016/j.envres.2022.114325
https://doi.org/10.1016/j.envres.2022.114325
Autor:
Sokhee P. Jung, Jeong-Hun Park, Yuhoon Hwang, Yong Woon Lee, Dongjune Seo, Seung-Mok Lee, Bonyoung Koo, Seong-Jun Kim, Seon-Yong Chung, Eun Jung Kim, Yung Ho Kahng, Sang-Eun Oh, Jin Young Kim
Publikováno v:
Electrochimica Acta. 297:613-622
Activated carbon (AC) is an inexpensive catalyst for oxygen reduction in an air cathode of microbial fuel cells (MFCs). In the AC-based cathode, carbon black (CB) is used as a conductive supporting material. In this study, it was hypothesized cathodi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5d3d7509b95d6ffa27319ee967e2fa4
https://doi.org/10.1016/j.electacta.2018.12.024
https://doi.org/10.1016/j.electacta.2018.12.024
Publikováno v:
Journal of Applied Physics. 129:094904
Interactions between polymers and graphene can have synergistic effects such as doping, thereby improving the performance of graphene-based devices. In this study, the effects of doping graphene with the n-type dopant polyethylenimine were investigat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c133da9e32ebda12cc544c58a7b73ec
https://doi.org/10.1063/5.0035891
https://doi.org/10.1063/5.0035891
Autor:
Kungwon Rhie, Yung Ho Kahng, Sungjung Joo, Soon-Gul Lee, Woon Song, Jinki Hong, Yun Won Kim, Mun Seog Kim, Jae-Hyuk Choi
Publikováno v:
Journal of the Korean Physical Society. 69:1456-1461
An InAs heterostructure-based micro-Hall sensor was used to study the magnetic properties of a superconducting Nb micro-ring, enabling observation of magnetic phenomena such as diamagnetism onset and magnetic flux trapping in the 20-μm-diameter samp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4307d8a8d95f8ec2a21f296087151945
https://doi.org/10.3938/jkps.69.1456
https://doi.org/10.3938/jkps.69.1456
Publikováno v:
Carbon. 100:7-15
The low energy density of graphene-based supercapacitors has been a critical bottleneck for their commercialization. In particular, the poor capacitance due to the lack of electrically porous channels and insufficient Faradaic reactions in reduced gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca23c6f9ab3385c6b0c873fa2ae2774a
https://doi.org/10.1016/j.carbon.2015.12.079
https://doi.org/10.1016/j.carbon.2015.12.079
Autor:
Kwanghee Lee, Nara Kim, Jong-Hoon Lee, Sung Mook Choi, Yun-Hwa Hwang, Yung Ho Kahng, Won Bae Kim, Sun Min Lee, Yong Jae Kim
Publikováno v:
Current Applied Physics. 15:1435-1444
Solution-processed graphene oxides in their reduced forms are prominent prospective functional materials for organic optoelectronics. For graphene oxide synthesis, several methods have been developed, which induce varying properties in their products
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fdffcff4a335a2af313ade7b58183a9
https://doi.org/10.1016/j.cap.2015.08.008
https://doi.org/10.1016/j.cap.2015.08.008
Autor:
Byoungwook Park, Ju Min Lee, Sooncheol Kwon, Kwanghee Lee, Kilho Yu, Byoung Hun Lee, Hyung Il Park, Jehan Kim, Junghwan Kim, Yung Ho Kahng, Sang Chul Lee, Sang Ouk Kim, Geunjin Kim, Hongkyu Kang
Publikováno v:
Nano Letters. 14:7100-7106
Organic semiconductors are key building blocks for future electronic devices that require unprecedented properties of low-weight, flexibility, and portability. However, the low charge-carrier mobility and undesirable processing conditions limit their
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f79d385c4806dcff8c1a29cba7048060
https://doi.org/10.1021/nl503574h
https://doi.org/10.1021/nl503574h