Younghwan Kwon

Publications113
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Citations626
Highly Influential Citations5
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Improved efficiency of bulk heterojunction poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester photovoltaic devices using discotic liquid crystal additives
Well established poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PC61BM) bulk-heterojunction organic photovoltaics (BHJ OPVs) were improved by incorporating a small portion of…
Reactive cycloalkane plasticizers covalently linked to energetic polyurethane binders via facile control of an in situ Cu-free azide–alkyne 1,3-dipolar cycloaddition reaction
Alkyne-bearing reactive cycloalkane plasticizers (RCAPs) linked covalently to glycidyl azido polymer (GAP)-based polyurethane (PU) binders were developed to prevent the migration of plasticizers and…
Synthesis of norbornene block copolymers containing polyhedral oligomeric silsesquioxane by sequential ring-opening metathesis polymerization
The synthesis of a series of poly(POSS-NBE-b-MTD) copolymers was successfully accomplished, taking advantage of sequential, ring-opening, metathesis block copolymerization using RuCl2(=CHPh)(PCy3)2…
Porous Silicone Polymeric Composites Filled with Hollow Silica Particles: Thermal Conductivity, Thermal Stability and Mechanical Properties.
TLDR
Tensile properties and dynamic mechanical measurements showed the incorporation of HSPs led to mechanical reinforcement in the silicone composites, and the Guth and Gold equation showed mechanical reinforcement of porous silicone/HSP composites was primarily due to the hydrodynamic effect of H SPs in theicone matrix at low HSP contents.
Reactive Energetic Plasticizers for Energetic Polyurethane Binders Prepared via Simultaneous Huisgen Azide‐Alkyne Cycloaddition and Polyurethane Reaction
Reactive energetic plasticizers (REPs) for use in glycidyl azido polymer (GAP) based polyurethane (PU) energetic binders were investigated. These REPs consisted of an activated terminal alkyne group…
Synthesis of novel block copolymers containing polyhedral oligomeric silsesquioxane (POSS) pendent groups via ring-opening metathesis polymerization (ROMP)
Reactive Energetic Plasticizers Utilizing Cu-Free Azide-Alkyne 1,3-Dipolar Cycloaddition for In-Situ Preparation of Poly(THF-co-GAP)-Based Polyurethane Energetic Binders
TLDR
The thermal stability of the finally cured energetic binders with the incorporation of REPs indicated that the thermal stability was maintained independently of the REP/PGT-based PUs, and the tensile strength and modulus of the PUs increased with an increase in the REPs content.
Synthesis and electro-optical properties of carbazole derivatives for organic device applications
Preparation and characterization of surface energy of BPDA-BAPP polyimide
The surface properties (water sorption and repellency, adhesion) are closely related to the surface tension of polymer solids. The critical surface tension (γc) and surface tension (γs) of a polymer…
Electroluminescent Property and Photolithographic Process of Photosensitive Random Copolymers
ABSTRACT A series of poly(N-vinyl carbazole)-based random copolymers containing photosensitive cinnamoyl moieties capable of generating negative type patterned images were synthesized and…
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