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  1. Article

    Open Access

    Flexible Cu2ZnSn(S,Se)4 solar cells with over 10% efficiency and methods of enlarging the cell area

    For kesterite copper zinc tin sulfide/selenide (CZTSSe) solar cells to enter the market, in addition to efficiency improvements, the technological capability to produce flexible and large-area modules with hom...

    Kee-Jeong Yang, Sammi Kim, Se-Yun Kim, Kwangseok Ahn, Dae-Ho Son… in Nature Communications (2019)

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  2. No Access

    Article

    Determination of Carrier Lifetimes in Organic-Inorganic Hybrid Solar Cells Based on Sb2S3 by Using the Time-Resolved Photocurrent

    This paper presents organic-inorganic hybrid solar cells (SCs) based on ZnO/Sb2S3/P3HT heterojunctions. The ZnO and the Sb2S3 layers were grown using atomic layer deposition (ALD). Although four cells were fabric...

    Hyun-Jun Jo, Young Hee Mun, Jong Su Kim… in Journal of the Korean Physical Society (2018)

  3. No Access

    Article

    Simultaneous fabrication of an alignment layer and a wall structure for a liquid crystal display by solvent-assisted micromolding

    Patterning and aligning are the most distinctive research areas in surface science. In this paper, we demonstrate a fabrication method for the simultaneous formation of a wall-structured surface relief and a m...

    ** Ho Yun, Shi-Joon Sung, Kuk Young Cho in Macromolecular Research (2012)

  4. No Access

    Article

    The optical and structural properties of CuIn1−x Ga x Se2 thin films fabricated with various Ga contents by using the co-evaporation technique

    The purpose of the present study is to investigate the optical and the structural properties of CuIn1−x Ga x Se2 (CIGS) thin films with various Ga/[In+Ga] ratios ...

    Hyun-Jun Jo, Dae-Hwan Kim, Chan Kim… in Journal of the Korean Physical Society (2012)

  5. Article

    Open Access

    Lattice-patterned LC-polymer composites containing various nanoparticles as additives

    In this study, we show the effect of various nanoparticle additives on phase separation behavior of a lattice-patterned liquid crystal [LC]-polymer composite system and on interfacial properties between the LC...

    Kyoseung Sim, Shi-Joon Sung, Eun-Ae Jung, Dae-Ho Son… in Nanoscale Research Letters (2012)

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  6. No Access

    Article

    Effect of molecular weight of biscinnamated poly(ethylene glycol) oligomers on the photocycloaddition reaction

    Shi-Joon Sung, Dae-Hwan Kim, Mi Ri Kim, Kuk Young Cho in Macromolecular Research (2010)

  7. No Access

    Article

    Molecular Orientation of Liquid Crystal on Polymer Blends of Coumarin and Naphthalenic Polyimide

    Photo-induced liquid crystal alignment layers were prepared by blending polyimides and photoreactive polymers followed by polarized UV irradiation. Polyimides are selected for the purpose of improving the ...

    Hyundae Hah, Shi-Joon Sung, Kuk Young Cho, Jung-Ki Park in Polymer Bulletin (2008)

  8. No Access

    Article

    Effect of composition and synthetic route on the microstructure of biodegradable diblock copolymer, poly(ε-caprolactone-co-L-lactide)-b-poly(ethylene glycol)

    Biodegradable poly(ε-caprolactone-co-L-lactide)-b-poly(ethylene glycol) (PCLA-b-PEG) copolymers were synthesized via solution polymerization by varying the feed composition of ε-caprolactone (ε-CL) and L-lactide ...

    Youn** Min, Seongnam Lee, Jung-Ki Park, Kuk Young Cho… in Macromolecular Research (2008)

  9. Article

    Mechanism of Photo-Induced Liquid Crystal Alignment on a Poly(vinyl cinnamate) Thin Layer

    The mechanism of photo-induced liquid crystal (LC) alignment on a poly(vinyl cinnamate) (PVCi) thin layer was studied. By spectral analysis for the polarized UV spectra of the PVCi thin layer exposed to a pola...

    Hee-Tak Kim, Jong-Woo Lee, Shi-Joon Sung, Jung-Ki Park in Polymer Journal (2001)

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