Search Results - "Yong-hyun Kim"

Suppression of Hydrogen Evolution Reaction in Electrochemical N2 Reduction Using Single-Atom Catalysts: A Computational Guideline by Choi, Changhyeok, Back, Seoin, Kim, Na-Young, Lim, Juhyung, Kim, Yong-Hyun, Jung, Yousung

“…We studied electrochemical nitrogen reduction reactions (NRR) to ammonia on single atom catalysts (SACs) anchored on defective graphene derivatives by density…”
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Steric-Hindrance-Driven Shape Transition in PbS Quantum Dots: Understanding Size-Dependent Stability by Choi, Hyekyoung, Ko, Jae-Hyeon, Kim, Yong-Hyun, Jeong, Sohee

“…Ambient stability of colloidal nanocrystal quantum dots (QDs) is imperative for low-cost, high-efficiency QD photovoltaics. We synthesized air-stable,…”
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III-V colloidal nanocrystals: control of covalent surfaces by Kim, Youngsik, Chang, Jun Hyuk, Choi, Hyekyoung, Kim, Yong-Hyun, Bae, Wan Ki, Jeong, Sohee

“…Colloidal quantum dots (QDs) are nanosized semiconductors whose electronic features are dictated by the quantum confinement effect. The optical, electrical,…”
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Progress in Computational and Machine‐Learning Methods for Heterogeneous Small‐Molecule Activation by Gu, Geun Ho, Choi, Changhyeok, Lee, Yeunhee, Situmorang, Andres B., Noh, Juhwan, Kim, Yong‐Hyun, Jung, Yousung

“…The chemical conversion of small molecules such as H2, H2O, O2, N2, CO2, and CH4 to energy and chemicals is critical for a sustainable energy future. However,…”
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Phase-dependent Friction on Exfoliated Transition Metal Dichalcogenides Atomic Layers by Lee, Dooho, Jeong, Hochan, Lee, Hyunsoo, Kim, Yong-Hyun, Park, Jeong Young

“…The fundamental aspects of energy dissipation on 2-dimensional (2D) atomic layers are extensively studied. Among various atomic layers, transition metal…”
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High Performance Colloidal Quantum Dot Photovoltaics by Controlling Protic Solvents in Ligand Exchange by Song, Jung Hoon, Choi, Hyekyoung, Kim, Yong‐Hyun, Jeong, Sohee

“…Colloidal quantum dots (CQDs) are promising light harvesting materials for realization of solution processible, highly efficient multipurpose photovoltaics…”
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Measuring the quantity of harmful volatile organic compounds inhaled through masks by Ryu, Hajoo, Kim, Yong-Hyun

“…An increase in the concentration of environmental particulate matter and the spread of the COVID-19 virus have dramatically increased our time spent wearing…”
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Intrinsic Photoluminescence Emission from Subdomained Graphene Quantum Dots by Yoon, Hyewon, Chang, Yun Hee, Song, Sung Ho, Lee, Eui-Sup, Jin, Sung Hwan, Park, Chanae, Lee, Jinsup, Kim, Bo Hyun, Kang, Hee Jae, Kim, Yong-Hyun, Jeon, Seokwoo

“…The photoluminescence (PL) origin of bright blue emission arising from intrinsic states in graphene quantum dots (GQDs) is investigated. The bright PL of…”
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Extremely Stable Luminescent Crosslinked Perovskite Nanoparticles under Harsh Environments over 1.5 Years by Jang, Junho, Kim, Young‐Hoon, Park, Sunjoong, Yoo, Dongsuk, Cho, Hyunjin, Jang, Jinhyeong, Jeong, Han Beom, Lee, Hyunhwan, Yuk, Jong Min, Park, Chan Beum, Jeon, Duk Young, Kim, Yong‐Hyun, Bae, Byeong‐Soo, Lee, Tae‐Woo

“…Organic–inorganic hybrid perovskite nanoparticles (NPs) are a very strong candidate emitter that can meet the high luminescence efficiency and high color…”
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Assessment of toxicological validity using tobacco emission condensates: A comparative analysis of emissions and condensates from 3R4F reference cigarettes and heated tobacco products by An, Young-Ji, Kim, Yong-Hyun

“…[Display omitted] •Tobacco emission condensates enable rapid toxicity assessment of tobacco products.•OC concentration varied by an average of 5 % between HTP…”
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Halide-Amine Co-Passivated Indium Phosphide Colloidal Quantum Dots in Tetrahedral Shape by Kim, Kyungnam, Yoo, Dongsuk, Choi, Hyekyoung, Tamang, Sudarsan, Ko, Jae-Hyeon, Kim, Sungwoo, Kim, Yong-Hyun, Jeong, Sohee

“…Wet chemical synthesis of covalent III‐V colloidal quantum dots (CQDs) has been challenging because of uncontrolled surfaces and a poor understanding of…”
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Theory, synthesis, and oxygen reduction catalysis of Fe-porphyrin-like carbon nanotube by Lee, Duck Hyun, Lee, Won Jun, Lee, Won Jong, Kim, Sang Ouk, Kim, Yong-Hyun

“…We report the synthesis of a Fe-porphyrin-like carbon nanotube from conventional plasma-enhanced chemical vapor deposition. Covalent but seamless incorporation…”
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Development and validation of a method for preparing heated tobacco product aerosol condensate (HTPAC) for large-scale toxicity data acquisition by Kim, Yong-Hyun, Kim, Sung-Hwan

“…A method of preparing heated tobacco product aerosol condensate (HTPAC) was developed to expedite HTP toxicity evaluation, and the effectiveness was assessed…”
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Anomalous Defect Dependence of Thermal Conductivity in Epitaxial WO3 Thin Films by Ning, Shuai, Huberman, Samuel C., Ding, Zhiwei, Nahm, Ho‐Hyun, Kim, Yong‐Hyun, Kim, Hyun‐Suk, Chen, Gang, Ross, Caroline A.

“…Lattice defects typically reduce lattice thermal conductivity, which has been widely exploited in applications such as thermoelectric energy conversion. Here,…”
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Tailored growth of single-crystalline InP tetrapods by Kim, Youngsik, Choi, Hyekyoung, Lee, Yeunhee, Koh, Weon-kyu, Cho, Eunhye, Kim, Taewan, Kim, Hamin, Kim, Yong-Hyun, Jeong, Hu Young, Jeong, Sohee

“…Despite the technological importance of colloidal covalent III-V nanocrystals with unique optoelectronic properties, their synthetic process still has…”
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Effects of sulfur doping on graphene-based nanosheets for use as anode materials in lithium-ion batteries by YOUNG SOO YUN, LE, Viet-Duc, HAEGYEOM KIM, CHANG, Sung-Jin, SEUNG JAE BAEK, SUNGJIN PARK, BYUNG HOON KIM, KIM, Yong-Hyun, KISUK KANG, JIN, Hyoung-Joon

“…Graphene-based nanosheets (GNS) have been studied for use in electrochemical energy storage devices. A deeper understanding about the system is required for…”
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Workfunction-Tunable, N-Doped Reduced Graphene Transparent Electrodes for High-Performance Polymer Light-Emitting Diodes by Hwang, Jin Ok, Park, Ji Sun, Choi, Dong Sung, Kim, Ju Young, Lee, Sun Hwa, Lee, Kyung Eun, Kim, Yong-Hyun, Song, Myoung Hoon, Yoo, Seunghyup, Kim, Sang Ouk

“…Graphene is a promising candidate to complement brittle and expensive transparent conducting oxides. Nevertheless, previous research efforts have paid little…”
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Ultrastable PbSe Nanocrystal Quantum Dots via in Situ Formation of Atomically Thin Halide Adlayers on PbSe(100) by Woo, Ju Young, Ko, Jae-Hyeon, Song, Jung Hoon, Kim, Kyungnam, Choi, Hyekyoung, Kim, Yong-Hyun, Lee, Doh C, Jeong, Sohee

“…The fast degradation of lead selenide (PbSe) nanocrystal quantum dots (NQDs) in ambient conditions impedes widespread deployment of the highly excitonic, thus…”
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Assessment of Nicotine Degradation in Cigarette Smoke under Different Storage Conditions (Light and Duration) by An, Young-Ji, Kim, Yong-Hyun

“…Nicotine, the primary component of cigarette smoke, is not only addictive but also indirectly contributes to lung diseases by increasing heart rate and blood…”
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A Study on the Behavior Patterns of Liquid Aerosols Using Disinfectant Chloromethylisothiazolinone/Methylisothiazolinone Solution by Kim, Yong-Hyun, Song, Mi-Kyung, Lee, Kyuhong

“…This study evaluates the behavioral characteristics of components (methylisothiazolinone (MIT) and chloromethylisothiazolinone (CMIT)) contained in…”
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