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  1. Synergistic Effects on Lithium Metal Batteries by Preferential Ionic Interactions in Concentrated Bisalt Electrolytes

    Kyungwon Kwak
    Lithium metal batteries (LMBs) have the potential to deliver a greater specific capacity than any commercially used lithium battery. However, excessive dendrite growth and low Coulombic efficiencies (CEs) are major hurdles preventing the com...
    Date2023.05.04 Bywebmaster2 Views40
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  2. Operando Raman and UV-Vis spectroscopic investigation of the coloring and bleaching mechanism of self-powered photochromic devices for smart windows

    Kyungwon Kwak
    Automatically controlling the optical transmittance of solar light provides an energy-saving strategy for designing energy-efficient buildings. Ideally, the smart windows should be able to show homogeneous and large-scale color-switching per...
    Date2023.05.04 Bywebmaster2 Views21
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  3. Ultrafast intraband Auger process in self-doped colloidal quantum dots

    Kwang Seob Jeong, Kyungwon Kwak, Minhaeng Cho
    Investigating the separate dynamics of electrons and holes has been challenging, although it is critical for the fundamental understanding of semiconducting nanomaterials. n-Type self-doped colloidal quantum dots (CQDs) with excess electrons...
    Date2023.05.04 Bywebmaster2 Views20
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  4. Two-dimensional electronic spectroscopy of bacteriochlorophyll a with synchronized dual mode-locked lasers

    Minhaeng Cho
    https://cmsd.ibs.re.kr/html/cmsd_en/
    How atoms and electrons in a molecule move during a chemical reaction and how rapidly energy is transferred to or from the surroundings can be studied with flashes of laser light. However, despite prolonged efforts to develop various coheren...
    Date2023.05.04 Bywebmaster2 Views21
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  5. Superexchange Coupling-Induced Enhancements of Thermoelectric Performance in Saturated Molecules

    Hyo Jae Yoon
    To develop thermoelectric devices, it is of the utmost importance to design organic building blocks to have efficient thermopower. Whereas conjugated and aromatic molecules with intrinsic narrow band gaps are attractive candidates to achieve...
    Date2023.05.03 Bywebmaster2 Views21
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  6. Fluorescent Diagnostic Probes in Neurodegenerative Diseases

    Jong Seung Kim
    http://Advanced Materials
    Neurodegenerative diseases are debilitating disorders that feature progressive and selective loss of function or structure of anatomically or physiologically associated neuronal systems. Both chronic and acute neurodegenerative diseases are...
    Date2023.05.03 Bywebmaster2 Views23
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    An Ethacrynic Acid-Brominaed BODIPY Photosensitizer (EA-BPS) Construct Enhances the Lethality of Reactive Oxygen Species in Hypoxic Tumor-Targeted Photodynamic Therapy

    Jong Seung Kim
    http://orgchem.korea.ac.kr/
    Despite being a clinically approved intervention for cancer, photodynamic therapy (PDT) still suffers from limitations. Prime among these is a therapeutic response that is mostly oxygen dependent. This limits the utility of PDT in treating h...
    Date2023.05.03 Bywebmaster2 Views4
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  8. High Ammonia Uptake of a Metal-Organic Framework Adsorbent in a Wide Pressure Range

    Chang Seop Hong
    https://onlinelibrary.wiley.com/doi/full....202012552
    Although numerous porous adsorbents have been investigated for NH3 capture applications, these materials often exhibit insufficient NH3 uptake, low NH3 affinity at the ppm level, and poor chemical stability against wet NH3 conditions. The NH...
    Date2023.05.03 Bywebmaster2 Views16
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  9. Emerging Porous Materials and their Composites for NH3 Gas Removal

    Chang Seop Hong
    https://onlinelibrary.wiley.com/doi/full....202002142
    NH3, essential for producing artificial fertilizers and several military and commercial products, is being produced at a large scale to satisfy increasing demands. The inevitable leakage of NH3 during its utilization, even in trace concentra...
    Date2023.05.03 Bywebmaster2 Views21
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  10. Light-directed trapping of metastable intermediates in a self-assembly process

    Sungnam Park
    https://www.nature.com/articles/s41467-020-20172-6
    Self-assembly is a dynamic process that often takes place through a stepwise pathway involving formation of kinetically favored metastable intermediates prior to generation of a thermodynamically preferred supramolecular framework. Although ...
    Date2023.05.03 Bywebmaster2 Views18
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  11. Multiply Charged Conjugated Polyelectrolytes as a Multifunctional Inerlayer for Efficient and Scalable Perovskite Solar Cells

    Han Young Woo
    http://www.ooml.korea.ac.kr/
    A series of anionic conjugated polyelectrolytes (CPEs) is synthesized based on poly(fluorene‐co‐phenylene) by varying the side‐chain ionic density from two to six per repeat units (MPS2‐TMA, MPS4‐TMA, and MPS6‐TMA). The effect of MPS2, 4, 6‐...
    Date2023.05.03 Bywebmaster2 Views19
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  12. Green-, Red-, and Near-Infrared-Emitting Polymer Dot Probes for Simultaneous Multicolor Cell Imaging with a Single Excitation Wavelength

    Han Young Woo, Sang-Hee Shim
    http://www.ooml.korea.ac.kr/
    We report newly synthesized fluorescence resonance energy transfer (FRET)-based green-, red-, and near-infrared (NIR)-emitting polymer dot (Pdot) probes. Fluorescent Pdots (∼60 nm) were prepared with a green-emissive conjugated polymer (...
    Date2023.05.03 Bywebmaster2 Views17
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  13. Intermetallic PtCu Nanoframes as Efficient Oxygen Reduction Electrocatalysts

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    Nanoframe alloy structures represent a class of high-performance catalysts for oxygen reduction reaction (ORR), owing to their high active surface area, efficient molecular accessibility, and nanoconfinement effect. However, structural and c...
    Date2023.05.03 Bywebmaster2 Views16
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  14. Pt Dopant: Controlling the IR Oxidation States toward Efficient and Durable Oxygen Evolution Reacion in Acidic Media

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    Dissolution of Ir oxides in Ir‐based catalysts, which is closely linked to the catalyst activity and stability toward the oxygen evolution reaction (OER) in acidic media, is a critical unresolved problem in the commercialization of water ele...
    Date2023.05.03 Bywebmaster2 Views12
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  15. Color-Runable Boron-Based Emitters Exhibiting Aggregation-Induced Emission and Thermally Activated Delayed Fluorescence for Efficient Solution-Processable Nondoped Deep-Blue to Sky-Blue OLEDS

    Dong Hoon Choi
    http://fpl.korea.ac.kr/
    Three new color-tunable (deep-blue to sky-blue) and solution-processable emitters—9′-(2,12-di-tert-butyl-5,9-dioxa-13b-boranaphtho[3,2,1-de]anthracen-7-yl)-9′H-9,3′:6′,9″-tercarbazole (TB-3Cz), 9′-(2...
    Date2023.05.03 Bywebmaster2 Views12
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  16. Catalytic Nanoframes and Beyond

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    The ever‐increasing need for the production and expenditure of sustainable energy is a result of the astonishing rate of consumption of fossil fuels and the accompanying environmental problems. Emphasis is being directed to the generation of...
    Date2023.05.03 Bywebmaster2 Views2
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  17. Highly Crystalline Hollow Toroidal Copper Phosphosulfide via Anion Exchange: A Versatile Cation Exchange Nanoplatform

    Kwangyeol Lee
    http://nanolab.korea.ac.kr/
    Post-modification of nanocrystals through cation exchange has been very successful in diversifying nanomaterial compositions, while retaining the structural motif. Copper compound nanoparticles are particularly useful as templates because of...
    Date2023.05.03 Bywebmaster2 Views2
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  18. Molecular Design of Highly Efficient Heavy-Atom-Free Triplet BODIPY Derivatives for Photodynamic Therapy and Bioimaging

    Sungnam Park
    https://ultrafastspec.wixsite.com/spark
    Novel BODIPY photosensitizers were developed for imaging‐guided photodynamic therapy. The introduction of a strong electron donor to the BODIPY core through a phenyl linker combined with the twisted arrangement between the donor and the BODI...
    Date2023.05.03 Bywebmaster2 Views18
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  19. Transformation of Colloidal Quantum Dot: From Intraband Transition to Localized Surface Plasmon Resonance

    Kwang Seob Jeong
    https://kwangsjeong.wixsite.com/ksjlab-koreauniv
    An increase in the carrier density of semiconductor nanocrystals can gradually change the origin of the optical property from the excitonic transition to the localized surface plasmon resonances. Here, we present the evolution of the electro...
    Date2023.05.03 Bywebmaster2 Views22
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  20. Mitochondrial Relocation of a Common Synthetic Antibiotic: A Non-genotoxic Approach to Cancer Therapy

    Jong Seung Kim
    http://orgchem.korea.ac.kr/
    Tumor recurrence as a result of therapy-induced nuclear DNA lesions is a major issue in cancer treatment. Currently, only a few examples of potentially non-genotoxic drugs have been reported. Mitochondrial re-localization of ciprofloxacin, o...
    Date2023.05.03 Bywebmaster2 Views21
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