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  1. Article

    Open Access

    Highly N-doped microporous carbon nanospheres with high energy storage and conversion efficiency

    Porous carbon spheres (CSs) have distinct advantages in energy storage and conversion applications. We report the preparation of highly monodisperse N-doped microporous CSs through the carbonization of polysty...

    Cheolho Kim, Kiwon Kim, Jun Hyuk Moon in Scientific Reports (2017)

  2. Article

    Open Access

    Liquid immersion thermal crosslinking of 3D polymer nanopatterns for direct carbonisation with high structural integrity

    The direct pyrolytic carbonisation of polymer patterns has attracted interest for its use in obtaining carbon materials. In the case of carbonisation of nanopatterned polymers, the polymer flow and subsequent ...

    Da-Young Kang, Cheolho Kim, Gyurim Park, Jun Hyuk Moon in Scientific Reports (2015)

  3. Article

    Open Access

    Facile fabrication of sub-100 nm mesoscale inverse opal films and their application in dye-sensitized solar cell electrodes

    Inverse opal (IO) films with mesoporous structures hold promise as high-performance electrodes for various photoelectrochemical devices because of their high specific area as well as their fully connected pore...

    Jung Woo Lee, Jaemin Lee, Cheolho Kim, Chang-Yeol Cho, Jun Hyuk Moon in Scientific Reports (2014)

  4. No Access

    Chapter and Conference Paper

    Real-Time Monitoring System for Industrial Motion and Optical Micro Vibration Detection

    Sensitive processes in semiconductor manufacturing require the isolation and quick absorption of vibration. In this study, a monitoring system for driving motion and detecting vibration was developed for activ...

    HyungTae Kim, Cheolho Kim in Progress in Optomechatronic Technologies (2014)

  5. No Access

    Article

    Output power improvement in an Yb-doped fiber laser with an additional unpumped Yb-doped fiber

    Master oscillator power amplifier (MOPA) technology has been widely used in high-power or ultrashort-pulse fiber laser systems because the shape of the laser pulse can be easily adjusted. Usually, the first am...

    Hoon Jeong, Hyoyeong Park, Seungtaek Kim, Jongseok Kim, Chulsoo Byun in Optical Review (2012)