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Home Department of Chemistry

New Study Unveils the Path to Build Diamonds at Ambient Pressure

Scientists develop novel liquid metal alloy system to synthesize diamond under moderate conditions.

New Study Unveils the Path to Build Diamonds at Ambient Pressure

Did you know that 99% of synthetic diamonds are currently produced using high-pressure and high-temperature (HPHT) methods? A prevailing paradigm is that diamonds can only be grown using liquid metal catalysts in the gigapascal pressure ran... Read More

Apr 25, 2024 By JooHyeon Heo Research
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Unlocking the Impact of Solvents on Catalytic C–H Bond Oxidation by Copper(II)–Alkylperoxo Complex

Their findings have been published in the online version of ACS Catalysis on February 20, 2024.

Unlocking the Impact of Solvents on Catalytic C–H Bond Oxidation by Copper(II)–Alkylperoxo Complex

Abstract Oxidation of unactivated alkanes, which requires substantial energy for conversion to valuable organic chemicals, is a major challenge in both industry and academia. Herein, we describe how solvents affect and improve the catalytic... Read More

Feb 27, 2024 By JooHyeon Heo Research
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Nanoscale CL Thermometry with Lanthanide-Doped Heavy-Metal Oxide in TEM

The findings of this research have been published in the online version of ACS Nano on January 30, 2024.

Nanoscale CL Thermometry with Lanthanide-Doped Heavy-Metal Oxide in TEM

Abstract When navigated by the available energy of a system, often provided in the form of heat, physical processes or chemical reactions fleet on a free-energy landscape, thus changing the structure. In in situ transmission electron micros... Read More

Feb 23, 2024 By JooHyeon Heo Research
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A New Manganese-Fluorine Catalyst with Exceptional Oxidizing Power

Their findings have been published in the Journal of the American Chemical Society (JACS) on February 4, 2024.

A New Manganese-Fluorine Catalyst with Exceptional Oxidizing Power

Abstract Recently, transition-metal terminal nonoxo complexes have shown a remarkable ability to activate and functionalize C–H bonds via proton-coupled electron transfer (PCET). Here we report the first example of a mononuclear manganese(I... Read More

Feb 20, 2024 By JooHyeon Heo Research
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Nanoscale Manipulation of Exciton–Trion Interconversion in a MoSe2 Monolayer via Tip-Enhanced Cavity-Spectroscopy

Their findings have been published in the December 2023 issue of Nano Letters.

Nanoscale Manipulation of Exciton–Trion Interconversion in a MoSe2 Monolayer via Tip-Enhanced Cavity-Spectroscopy

Abstract Emerging light–matter interactions in metal–semiconductor hybrid platforms have attracted considerable attention due to their potential applications in optoelectronic devices. Here, we demonstrate plasmon-induced near-field manipul... Read More

Jan 25, 2024 By JooHyeon Heo Research
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Unveiling Molecular Origami: A Breakthrough in Dynamic Materials

The work by Professor Wonyoung Choe and Professor Seung Kyu Min has been appeared in Nature Communications on December 1, 2023.

This pioneering study represents a significant leap forward in the field of dynamic materials, while also hinting at futuristic applications in metamaterials and quantum computing.

Unveiling Molecular Origami: A Breakthrough in Dynamic Materials

Abstract Origami, known as paper folding has become a fascinating research topic recently. Origami-inspired materials often establish mechanical properties that are difficult to achieve in conventional materials. However, the materials base... Read More

Dec 19, 2023 By JooHyeon Heo Research
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Breakthrough in Organic Semiconductor Synthesis Paves the Way for Advanced Electronic Devices

Their findings have been published in the online version of the prestigious journal, Angewande Chemie International Edition on December 11, 2023.

Breakthrough in Organic Semiconductor Synthesis Paves the Way for Advanced Electronic Devices

Abstract Increasing the chemical diversity of organic semiconductors is essential to develop efficient electronic devices. In particular, the replacement of carbon-carbon (C−C) bonds with isoelectronic boron-nitrogen (B−N) bonds allows prec... Read More

Dec 15, 2023 By JooHyeon Heo Research
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Closed-Loop Recycling of Organic Flexible Electronic Devices Paves the Way for Sustainable Wearable Electronics

Their findings have been published in the online version of Nature Electronics on December 16, 2023.

Closed-Loop Recycling of Organic Flexible Electronic Devices Paves the Way for Sustainable Wearable Electronics

Abstract Flexible organic electronics can be used to create wearable devices but the synthesis of organic electronic materials typically involves hazardous solvents, creates toxic by-products and has various other environmental and economic... Read More

Dec 11, 2023 By JooHyeon Heo Research
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Groundbreaking Research Unveils Nickel-Based Catalysts with Remarkable Economic Feasibility

Professor Changho Yoo in the Department of Chemistry at UNIST developed nickel-based catalysts to replace precious metals, such as rhodium.

Groundbreaking Research Unveils Nickel-Based Catalysts with Remarkable Economic Feasibility

Abstract Millions of tons of acetyl derivatives such as acetic acid and acetic anhydride are produced each year. These building blocks of chemical industry are elaborated into esters, amides, and eventually polymer materials, pharmaceutical... Read More

Nov 28, 2023 By JooHyeon Heo Research
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Revolutionary Breakthrough in Nitrile Activation Unveils Promising Pathway for Anticancer Precursor Synthesis

The study findings have been published in the online version of JACS Au on October 31, 2023.

Revolutionary Breakthrough in Nitrile Activation Unveils Promising Pathway for Anticancer Precursor Synthesis

Abstract The versatile applications of nitrile have led to the widespread use of nitrile activation in the synthesis of pharmacologically and industrially valuable compounds. We reported the activation of nitriles using mononuclear cobalt(I... Read More

Nov 24, 2023 By JooHyeon Heo Research
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