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  1. Article

    Open Access

    Controlling the defects and transition layer in SiO2 films grown on 4H-SiC via direct plasma-assisted oxidation

    The structural stability and electrical performance of SiO2 grown on SiC via direct plasma-assisted oxidation were investigated. To investigate the changes in the electronic structure and electrical characteristi...

    Dae-Kyoung Kim, Kwang-Sik Jeong, Yu-Seon Kang, Hang-Kyu Kang in Scientific Reports (2016)

  2. Article

    Open Access

    Silicon/copper dome-patterned electrodes for high-performance hybrid supercapacitors

    This study proposes a method for manufacturing high-performance electrode materials in which controlling the shape of the current collector and electrode material for a Li-ion capacitor (LIC). In particular, t...

    Xuyan Liu, Hun-Gi Jung, Sang-Ok Kim, Ho-Suk Choi, Sangwha Lee in Scientific Reports (2013)

  3. No Access

    Article

    Electrochemical performance of silicon thin film anodes covered by diamond-like carbon with various surface coating morphologies

    Four different kinds of diamond-like carbon (DLC) coating morphologies on the surface of silicon films were prepared directly on a copper foil by using radio frequency plasma-enhanced chemical vapor deposition...

    Sang-Ok Kim, Heung-Taek Shim, Joong Kee Lee in Journal of Solid State Electrochemistry (2010)