Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Jung, Hyuk"'
Publikováno v:
Electronic Materials Letters. 17:451-458
Indium zinc oxide thin-film transistors with a bottom gate structure were made by a channel layer multi-stack process on silicon substrate. Femtosecond laser post-annealing treatment was carried out to study the impact on the electrical properties an
Autor:
Jung-Hyuk Koh, Sung-Jin Kim, Kwan-Jun Heo, Hao-Zhou Sun, Seong Gon Choi, Fei Shan, Han-Sang Kim, Jae-Yun Lee
Publikováno v:
Electronic Materials Letters. 17:222-228
We report on a method for fabricating solution-processed triple-multi-stacked indium zinc oxide (IZO) thin-film transistors (TFTs) at a low annealing temperature using an oxygen plasma treatment technique at different RF power levels of 120 W, 150 W,
Autor:
Dong-Jin Shin, Jung-Hyuk Koh, Young Ho Ko, Kyung-Ho Cho, Jinhwan Kim, Sanghyun Yoon, Jae-Hoon Ji
Publikováno v:
Applied Surface Science. 494:1000-1006
Piezoelectric materials have excellent piezoelectric and dielectric properties for versatile device applications. However, they have brittle properties, particularly under mechanical impulse force. As a result, there have been many attempts to improv
Publikováno v:
Sustainability, Vol 13, Iss 8954, p 8954 (2021)
Sustainability
Volume 13
Issue 16
Sustainability
Volume 13
Issue 16
The spatiotemporal variations in the atmospheric ventilation index (AVI) with the particulate matter (PM) concentrations in South Korea were investigated using a regional grid model derived from the National Center for AgroMeteorology and PM10 concen
Autor:
Jihye Kang, Jae-Hoon Ji, Minyoung Park, GaeHun Jo, Sang-Mo Koo, JunHee Hong, Jinhwan Kim, Masao Kamiko, Jung-Hyuk Koh, Jae-Geun Ha
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:608-610
Light Emitting Diodes (LED) are highly energy efficient and offer long-life times for display applications. Long life and minimal energy consumption are often the most attractive advantages for electronic devices. Because LEDs are based on compound s
Publikováno v:
Electronic Materials Letters. 15:437-443
In this research, the possibility of passive damping system based on the piezoelectric energy harvesting has been proposed and tested. To apply passive damper system, piezoelectric ceramics were stacked, and impedance was matched. Piezoelectric energ
Autor:
Byeong Kwon Ju, Sung-Ryong Kim, Frank Nüesch, Jung Hyuk Kim, Won Kook Choi, Yun Jae Lee, Philip Caspari, Dorina M. Opris, Sora Ham
Publikováno v:
Journal of Materials Chemistry C. 7:3535-3542
Dielectric elastomer generators (DEGs) are flexible capacitors that convert mechanical into electrical energy. They rely on an external voltage source to charge the capacitor during each operation cycle. An alternative to this is an autonomous DEG wh
Publikováno v:
Ceramics International. 44:S211-S215
In this research, comparative optical annealing effects on Al-doped ZnO multilayer thin films were analyzed. Both a CO2 laser and the rapid thermal annealing (RTA) process were carried out and compared to test their annealing effects. The uniformly d
Publikováno v:
Journal of Nanoscience and Nanotechnology. 18:6029-6032
In this research, the recycled electrical energy from wasted thermal energy in high power Light Emitting Diode (LED) system will be investigated. The luminous efficiency of lights has been improved in recent years by employing the high power LED syst
Publikováno v:
Journal of Nanoscience and Nanotechnology. 18:6312-6315
Laser direct patterning (LDP) technology has attracted great attention due to its process simplification and environmental friendliness. It is replacing the existing photo-lithography technology. Infrared (IR) laser equipment also has advantages such