Kim T.-Y. – TechConnect Briefs

Performance of a heat-recirculating combustor for thermophotovoltaic power devices with photonic crystal structure

Kim H.K., Kim T.-Y., Kim H.K., Kim T.-Y., Kwon O.C., Sungkyunkwan University, KR

The demand for high-performance portable power sources is recently enhanced due to the increasing use of electronic devices. Portable power systems using the combustion of hydrocarbon fuels have been considered as a novel alternative to [...]

Design of a heat-recirculating combustor for a thermophotovoltaic system

Kim H.K., Kim T.-Y., Kim H.K., Kim T.-Y., Kwon O.C., School of Mechanical Engineering Sungkyunkwan University, KR

Recently, the demand for light, fast-charging and long-lasting portable power sources to replace current lithium-ion batteries has been increased because of development of portable electronic devices such as laptop computers, cellular phones and signal equipments. [...]

Enhancement in optical and electrical efficiency of a Si nanocrystal light-emitting diode by indium tin oxide nanowires

Huh C., Kim S-H, Kim T.-Y., Park B.-J., Jang E.-H., Kim S-H, Kim T.-Y., Electronics and Telecommunications Research Institute, KR

In this work, a new technique for improving the optical and electrical properties of Si NC LEDs by employing indium tin oxide (ITO) nanowires (NWs) was investigated. The structure of Si NC LED investigated here [...]

The Structure and Properties of ta-C Film with Dispersion of Incident Beam Energy

Lee K-R, Lee S-C, Lee S-H., Kim T.-Y., Lee K-R, Lee S-C, Lee S-H., Chung Y-C, Brenner D.W., Lee K-R, Lee S-C, Lee S-H., Korea Institute of Science and Technology, KR

We investigated the structural properties of ta-C film as a function of the dispersion in the incident kinetic energy. The ta-C films were produced on a diamond (100) surface by the bombardment of 3, 000 [...]