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  1. Article

    Open Access

    Suppressing spontaneous polarization of p-GaN by graphene oxide passivation: Augmented light output of GaN UV-LED

    GaN-based ultraviolet (UV) LEDs are widely used in numerous applications, including white light pump sources and high-density optical data storage. However, one notorious issue is low hole injection rate in p-...

    Hyun Jeong, Seung Yol Jeong, Doo Jae Park, Hyeon Jun Jeong in Scientific Reports (2015)

  2. Article

    Open Access

    Tip-Enhanced Raman Scattering Imaging of Two-Dimensional Tungsten Disulfide with Optimized Tip Fabrication Process

    We successfully achieve the tip-enhanced nano Raman scattering images of a tungsten disulfide monolayer with optimizing a fabrication method of gold nanotip by controlling the concentration of etchant in an el...

    Chanwoo Lee, Sung Tae Kim, Byeong Geun Jeong, Seok Joon Yun in Scientific Reports (2017)

  3. Article

    Open Access

    Surface plasmon resonance extension through two-block metal-conducting polymer nanorods

    Research on surface plasmon resonance coupling of metallic nanostructures is an important area in the field of plasmonics because distinctive collective optical properties can be realized that are different fr...

    Insub Jung, Minkyung Kim, Min Kwak, Geonwoo Kim, Minsun Jang in Nature Communications (2018)