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  1. Single Component Organic Solar Cells Based on Oligothiophene-Fullerene Conjugate

    Han Young Woo
    http://www.ooml.korea.ac.kr/
    A new donor (D)–acceptor (A) conjugate, benzodithiophene-rhodanine–[6,6]-phenyl-C61 butyric acid methyl ester (BDTRh–PCBM) comprising three covalently linked blocks, one of p-type oligothiophene containing BDTRh moieties an...
    Date2017.10.23 ByManager Views16
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  2. Lanthanide metal-assisted synthesis of rhombic dodecahedral MNi (M=Ir and Pt) nanoframes toward efficient oxygen evolution catalysis

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    Mixed metal alloy nanoframeworks have shown a great promise as electrocatalysts in water electrolyzers and fuel cells. Although a limited number of mixed metal alloy nanoframeworks have been synthesized through phase segregation of alloy pha...
    Date2017.10.23 ByManager Views20
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  3. Radially Phase Segregated PtCu@PtCuNi Dendrite@Frame Nanocatalyst for the Oxygen Reduction Reaction

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    Pt-based alloy nanoframes have shown a great potential as electrocatalysts toward oxygen reduction reaction (ORR) in fuel cells. However, the intrinsically infirm nanoframes could be severely deformed during extended electro-cyclings, which ...
    Date2017.10.13 ByManager Views31
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  4. Collision Cross Sections and Ion Structures: Development of a General Calculation Method via High-quality Ion Mobility Measurements and Theoretical Modeling

    Hugh I. Kim
    https://sites.google.com/site/hughkimgroup/
    Ion mobility mass spectrometry (IM-MS) has become an important tool for the structural investigation of ions in the gas phase. Accurate theoretical evaluation of ion collision cross sections (CCSs) is essential for the effective application...
    Date2017.10.13 ByManager Views17
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  5. Previous Article Next Article Table of Contents Total Syntheses of Arcyriaflavin A and Calothrixin B Using 2,2′-Bisindole-3-acetic Acid Derivative as a Common Intermediate

    Cheol-Hong Cheon
    https://sites.google.com/site/cheonresearchlab/
    A new protocol for the synthesis of 2,2′-bisindole-3-acetic acid derivatives from aldimines derived from 2-aminocinnamic acid derivatives and indole-2-carboxaldehyde was developed via a cyanide-catalyzed imino-Stetter reaction. With th...
    Date2017.10.10 ByManager Views19
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  6. Synthesis, Characterization, and Efficient Catalytic Activities of a Nickel(II) Porphyrin: Remarkable Solvent and Substrate Effects on Participation of Multiple Active Oxidants

    Suk Joong Lee
    http://inmlab.korea.ac.kr/
    A new nickel(II) porphyrin complex, [NiII(porp)] (1), has been synthesized and characterized by 1H NMR, 13C NMR and mass spectrometry analysis. This NiII porphyrin complex 1 quantitatively catalyzed the epoxidation reaction of a wide range o...
    Date2017.09.26 ByManager Views59
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  7. Molecular Insights into Human Serum Albumin as a Receptor of Amyloid-β in the Extracellular Region

    Hugh I. Kim
    https://sites.google.com/site/hughkimgroup/
    Regulation of amyloid-β (Aβ) aggregation by metal ions and proteins is essential for understanding the pathology of Alzheimer’s disease (AD). Human serum albumin (HSA), a regulator of metal and protein transportation, can mod...
    Date2017.09.25 ByManager Views63
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  8. Two Regioisomeric π-Conjugated Small Molecules: Synthesis, Photophysical, Packing and Optoelectronic Properties

    Dong Hoon Choi, Han Young Woo
    Two regioisomeric D1-A-D-A-D1 type π-conjugated molecules (1,4-bis{5-[4-(5-fluoro-7-(5-hexylthiophen-2-yl)benzo[c][1,2,5]thiadiazole)]­thiophen-2-yl}-2,5-bis(hexyldecyloxy)benzene (Prox-FBT) and 1,4-bis{5-[4-(6-fluoro-7-(5-hexylthioph...
    Date2017.09.25 ByManager Views53
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  9. Major Electronic Transition Shift from Bandgap to Localized Surface Plasmon Resonance in CdxHg1-xSe Alloy Nanocrystals

    Kwang Seob Jeong
    https://sites.google.com/site/ksjkulab/
    CdxHg1-xSe alloy nanocrystals are obtained from CdSe semiconductor nanocrystals via cation exchange. By varying the composition during the exchange process, the CdxHg1-xSe alloy nanocrystals offer a widely tunable electronic transition from ...
    Date2017.09.25 ByManager Views54
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  10. Rational Design of In Vivo Tau Tangle-Selective Near Infrared Fluorophores: Expanding the BODIPY Universe

    Jong Seung Kim
    http://orgchem.korea.ac.kr/
    The elucidation of the cause of Alzheimer’s disease remains one of the greatest questions in neurodegenerative research. The lack of highly reliable low-cost sensors to study the structural changes in key proteins during the progres-si...
    Date2017.09.25 ByManager Views53
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  11. Achieving Highly Efficient Nonfullerene Organic Solar Cells with Improved Intermolecular Interaction and Open-Circuit Voltage

    Han Young Woo
    http://www.ooml.korea.ac.kr/
    A new acceptor–donor–acceptor-structured nonfullerene acceptor ITCC (3,9-bis(4-(1,1-dicyanomethylene)-3-methylene-2-oxo-cyclopenta[b]thiophen)-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d′:2,3-d′]-s-indaceno[1,2-b...
    Date2017.09.25 ByManager Views57
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  12. Ionic effect on the excited-state proton transfer reactions in aqueous solutions

    Sungnam Park
    http://ultrafastspec.wixsite.com/spark
    Proton dissociation (PD) reactions of weak acids and proton transfer (PT) processes in aqueous solution are strongly influenced by ions. However, a detailed molecular picture that describes how ions affect the rates for PD and PT processes i...
    Date2017.09.25 ByManager Views53
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  13. A conductive porous organic polymer with superprotonic conductivity of a Nafion-type electrolyte

    Chang Seop Hong
    https://www.immlab.korea.ac.kr/
    As potential solid electrolytes in fuel cells, porous organic polymers show compelling proton conductivities (up to ∼10−2 S cm−1), but even higher performance is required for real applications. In this work, we prepared a bip...
    Date2017.09.25 ByManager Views57
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  14. Quantum optical measurements with undetected photons through vacuum field indistinguishability

    Minhaeng Cho
    http://cmsd.ibs.re.kr/html/cmsd_en/
    Quantum spectroscopy and imaging with undetected idler photons have been demonstrated by measuring one-photon interference between the corresponding entangled signal fields from two spontaneous parametric down conversion (SPDC) crystals. In ...
    Date2017.09.25 ByManager Views55
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  15. Nanoscale Control of Amyloid Self-Assembly Using Protein Phase Transfer by Host-Guest Chemistry

    Hugh I. Kim
    https://sites.google.com/site/hughkimgroup/
    Amyloid fibrils have recently been highlighted for their diverse applications as functional nanomaterials in modern chemistry. However, tight control to obtain a targeted fibril length with low heterogeneity has not been achieved because of ...
    Date2017.07.21 ByManager Views130
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  16. A Mitochondria-targeted Cryptocyanine-Based Photothermogenic Photosensitizer

    Jong Seung Kim
    http://J. Am. Chem. Soc., Just Accepted Manuscript(DOI: 10.1021/jacs.7b04263)
    Cryptocyanine-based probes exhibit highly efficient photothermal conversion and represent a new class of photothermal agents for use in photothermal therapy (PTT). With the thermal susceptibility of mitochondria in mind, we have prepared a m...
    Date2017.06.27 ByManager Views183
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  17. Cell imaging: An intracellular dance visualized

    Sang-Hee Shim
    http://Nature 546, 39–40 (doi:10.1038/nature22500)
    The development of a microscopy technique that enables observation of the interactions between six types of organelle, in 3D and over time, holds promise for improving our understanding of intracellular processes. See Letter p.162 http://ww...
    Date2017.06.27 ByManager Views218
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  18. High-efficiency photovoltaic cells with wide optical band gap polymers based on fluorinated phenylene-alkoxybenzothiadiazole

    Han Young Woo
    http://www.ooml.korea.ac.kr/
    A series of semi-crystalline, wide band gap (WBG) photovoltaic polymers were synthesized with varying number and topology of fluorine substituents. To decrease intramolecular charge transfer and to modulate the resulting band gap of D–...
    Date2017.06.12 ByManager Views202
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  19. Eco-Friendly Solvent-Processed Fullerene-Free Polymer Solar Cells with over 9.7% Efficiency and Long-Term Performance Stability

    Dong Hoon Choi
    http://fpl.korea.ac.kr/index2.asp
    A wide-bandgap polymer, (poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)-benzo[1,2-b:4,5-b′]dithiophene))-alt-(2,5-(methyl thiophene carboxylate))]) (3MT-Th), is synthesized to obtain a complementary broad range absorption when harmo...
    Date2017.06.12 ByManager Views204
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  20. Iridium-Based Multimetallic Nanoframe@Nanoframe Structure: An Efficient and Robust Electrocatalyst toward Oxygen Evolution Reaction

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    Nanoframe electrocatalysts have attracted a great interest due to their inherently high active surface area per a given mass. Although recent progress has enabled the preparation of single nanoframe structures with a variety of morphologies,...
    Date2017.06.12 ByManager Views182
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