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  1. Article

    Open Access

    Microstructure and Thermoelectric Characterization of Composite Nanofiber Webs Derived from Polyacrylonitrile and Sodium Cobalt Oxide Precursors

    We report the microstructure and thermoelectric properties of composite nanofiber webs, which were fabricated by dual-electrospinning of polyacrylonitrile (PAN) and sodium cobalt oxide (NaCo2O4) precursor solutio...

    Kyoung Moon Ryu, Young Hun Kang, Song Yun Cho, Sang Hoon Lee in Scientific Reports (2020)

  2. Article

    Open Access

    High Thermoelectric Power Factor of a Diketopyrrolopyrrole-Based Low Bandgap Polymer via Finely Tuned Do** Engineering

    We studied the thermoelectric properties of a diketopyrrolopyrrole-based semiconductor (PDPP3T) via a precisely tuned do** process using Iron (III) chloride. In particular, the do** states of PDPP3T film w...

    In Hwan Jung, Cheon Taek Hong, Un-Hak Lee, Young Hun Kang in Scientific Reports (2017)

  3. Article

    Open Access

    Enhancement of Thermoelectric Properties of PEDOT:PSS and Tellurium-PEDOT:PSS Hybrid Composites by Simple Chemical Treatment

    The thermoelectric properties of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and tellurium-PEDOT:PSS (Te-PEDOT:PSS) hybrid composites were enhanced via simple chemical treatment. The pe...

    Eun ** Bae, Young Hun Kang, Kwang-Suk Jang, Song Yun Cho in Scientific Reports (2016)

  4. No Access

    Article

    Influence of a self-assembled monolayer on indium-zinc-oxide semiconductor thin-film transistors

    The fabrication of an active-matrix liquid-crystal display by using printing processes offers the potential to reduce the number of photolithography steps and the manufacturing costs. In this study, we prepare...

    Yong Suk Yang, In-Kyu You, Sung-Hoon Hong in Journal of the Korean Physical Society (2014)

  5. Article

    Open Access

    Resist-free antireflective nanostructured film fabricated by thermal-NIL

    Resist-free antireflective (AR) nanostructured films are directly fabricated on polycarbonate (PC) film using thermal-nanoimprint lithography (T-NIL) and the moth-eye shape of AR nanostructure is elaborately o...

    Young Hun Kang, Jae Hyung Han, Song Yun Cho, Choon-Gi Choi in Nano Convergence (2014)

  6. No Access

    Article

    Preparation of Diarylethene Substituted Polymer Films for Optical Recording

    Effect of photo-irradiation on the color change of diarylethene polymer films was investigated. Diarylethene polymer films were prepared from photopolymerization of a radical curable mixture of diarylethene co...

    Song Yun Cho, Eunkyoung Kim in MRS Online Proceedings Library (2011)