Search Results - "Dong Ki Yoon"

Nanoconfinement of the Low‐Temperature Dark Conglomerate: Structural Control from Focal Conics to Helical Nanofilaments by Foley, Lee, Park, Wongi, Yang, Minyong, Carlson, Eric, Korblova, Eva, Yoon, Dong Ki, Walba, David M.

“…The helical nanofilament (HNF) and low‐temperature dark conglomerate (DC) liquid‐crystal (LC) phases of bent‐core molecules show the same local layer structure…”
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Security use of bilayer dichroic films made of liquid crystal polymer networks by Park, Geonhyeong, Yoon, Dong Ki

“…We report on bilayer dichroic dye-doped liquid crystal (BDLC) films for patternable color codes, which can be used in anti-counterfeiting applications such as…”
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Reconfigurable Periodic Liquid Crystal Defect Array via Modulation of Electric Field by You, Ra, Choi, Yun‐Seok, Shin, Min Jeong, Seo, Min‐Kyo, Yoon, Dong Ki

“…Topological defects in liquid crystal (LC) phases have been considered critical from the areas in topology and self‐assembly, as well as in applications such…”
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Organization of the polarization splay modulated smectic liquid crystal phase by topographic confinement by Yoon, Dong Ki, Deb, Rajdeep, Chen, Dong, Körblova, Eva, Shao, Renfan, Ishikawa, Ken, Rao, Nandiraju V. S., Walba, David M., Smalyukh, Ivan I., Clark, Noel A.

“…Recently, the topographic patterning of surfaces by lithography and nanoimprinting has emerged as a new and powerful tool for producing single structural…”
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Three-dimensional textures and defects of soft material layering revealed by thermal sublimation by Ki Yoon, Dong, Kim, Yun Ho, Kim, Dae Seok, Dae Oha, Seong, Smalyukh, Ivan I., Clark, Noel A., Jung, Hee-Tae

“…Layering is found and exploited in a variety of soft material systems, ranging from complex macromolecular self-assemblies to block copolymer and…”
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Grooving of nanoparticles using sublimable liquid crystal for transparent omniphobic surface by Kim, Dae Seok, Suh, Ahram, Yang, Shu, Yoon, Dong Ki

“…[Display omitted] Hierarchical assembly of nanoparticles (NPs) is of interest for omniphobic surfaces in the way that hierarchical scale roughness possibly…”
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Microstructure arrays of DNA using topographic control by Cha, Yun Jeong, Park, Soon Mo, You, Ra, Kim, Hyoungsoo, Yoon, Dong Ki

“…DNA is a common biomaterial in nature as well as a good building block for producing useful structures, due to its fine feature size and liquid crystalline…”
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Morphogenesis of liquid crystal topological defects during the nematic-smectic A phase transition by Gim, Min-Jun, Beller, Daniel A., Yoon, Dong Ki

“…The liquid crystalline phases of matter each possess distinct types of defects that have drawn great interest in areas such as topology, self-assembly and…”
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Role of Stimuli on Liquid Crystalline Defects: From Defect Engineering to Switchable Functional Materials by Shin, Min Jeong, Yoon, Dong Ki

“…Achieving tunable physical properties is currently one of the most exciting research topics. In order to realize this goal, a medium that is responsive to…”
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Highly Aligned Plasmonic Gold Nanorods in a DNA Matrix by Cha, Yun Jeong, Kim, Dae Seok, Yoon, Dong Ki

“…Since the Lycurgus Cup was made in the 4th century, metal nanoparticles have attracted much interest due to the characteristics of the plasmonic and…”
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Directed Self-Assembly of Topological Defects of Liquid Crystals by Shin, Min Jeong, Gim, Min-Jun, Yoon, Dong Ki

“…One of the alluring aspects of liquid crystals (LCs) is their readily controllable self-assembly behavior, leading to comprehension of complex topological…”
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Orientation Control of Helical Nanofilament Phase and Its Chiroptical Applications by Park, Wongi, Yoon, Dong Ki

“…Chiral liquid crystal phases show fascinating structural and optical properties due to their inherent helical characteristics. Among the various chiral liquid…”
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Circularly Polarized Light Can Override and Amplify Asymmetry in Supramolecular Helices by Kang, Jun Su, Kang, Sungwoo, Suh, Jong-Min, Park, Soon Mo, Yoon, Dong Ki, Lim, Mi Hee, Kim, Woo Youn, Seo, Myungeun

“…Circularly polarized light (CPL) is an inherently chiral entity and is considered one of the possible deterministic signals that led to the evolution of…”
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Charge Transportation and Chirality in Liquid Crystalline Helical Network Phases of Achiral BTBT‐Derived Polycatenar Molecules by Kwon, Ohjin, Cai, Xiaoqian, Qu, Wentao, Liu, Feng, Szydłowska, Jadwiga, Gorecka, Ewa, Han, Moon Jong, Yoon, Dong Ki, Poppe, Silvio, Tschierske, Carsten

“…First examples of multichain (polycatenar) compounds, based on the π‐conjugated [1]benzothieno[3,2‐b]benzothiophene unit are designed, synthesized, and their…”
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Advances in Soft Materials for Sustainable Electronics by Han, Moon Jong, Yoon, Dong Ki

“…In the current shift from conventional fossil-fuel-based materials to renewable energy, ecofriendly materials have attracted extensive research interest due to…”
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Optofluidic ring resonator laser with an edible liquid laser gain medium by Lee, Wonsuk, Kim, Da Bin, Song, Myoung Hoon, Yoon, Dong Ki

“…We demonstrate a biocompatible optofluidic laser with an edible liquid laser gain medium, made of riboflavin dissolved in water. The proposed laser platform is…”
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Switchable Photonic Crystals Using One-Dimensional Confined Liquid Crystals for Photonic Device Application by Ryu, Seong Ho, Gim, Min-Jun, Lee, Wonsuk, Choi, Suk-Won, Yoon, Dong Ki

“…Photonic crystals (PCs) have recently attracted considerable attention, with much effort devoted to photonic bandgap (PBG) control for varying the reflected…”
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Plasmonic metasurfaces of cellulose nanocrystal matrices with quadrants of aligned gold nanorods for photothermal anti-icing by Pyeon, Jeongsu, Park, Soon Mo, Kim, Juri, Kim, Jeong-Hwan, Yoon, Yong-Jin, Yoon, Dong Ki, Kim, Hyoungsoo

“…Cellulose nanocrystals (CNCs) are intriguing as a matrix for plasmonic metasurfaces made of gold nanorods (GNRs) because of their distinctive properties,…”
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Surface-induced orientation of liquid crystal phases by Kim, Wantae, Kim, Dae Seok, Yoon, Dong Ki

“…Liquid crystal (LC) phases have been used in various self-assembly technologies owing to their stimuli-responsive characteristics. Especially,…”
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Molecular Orientation Control of Liquid Crystal Organic Semiconductor for High-Performance Organic Field-Effect Transistors by Han, Moon Jong, Lee, Don-Wook, Lee, Eun Kyung, Kim, Joo-Young, Jung, Ji Young, Kang, Hyunbum, Ahn, Hyungju, Shin, Tae Joo, Yoon, Dong Ki, Park, Jeong-Il

“…The control of molecular orientation and ordering of liquid crystal (LC) organic semiconductor (OSC) for high-performance and thermally stable organic…”
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