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Kwon, Oh Hoon (권오훈)

Department
Department of Chemistry(화학과)
Website
http://femtokid.wix.com/ulsan-lab
Lab
Ultrafast Laser Spectroscopy and Nano-microscopy Lab. (초고속 레이저 분광학 및 전자현미경학 연구실)
Research Keywords
초고속 전자현미경학, 초고속 레이저 분광학, 구조 동역학, 반응 동역학, Femtochemistry/biology, 4D electron microscopy, structural dynamics
Research Interests
The recent emergence of 4D electron microscopy, which uniquely combines the ultrafast time resolution of femtochemistry and ultrafine spatial resolution of TEM, has opened a new era for direct visualization of atomic and molecular motions of matter. Yet, because of limited function, observations have been made to periodic (crystalline) atomic and molecular architectures and non-periodic (amorphous) objects of hundreds nanometers or bigger. In the ULSaN lab, we develop an advanced ultrafast electron microscope with invulnerable capabilities that can circumvent present limitations and promote the new methodology to a powerful platform to directly image molecular and collective motions, dissect fundamental phenomena, and deliver new concepts for specific control and global function of matter.
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Issue DateTitleAuthor(s)TypeViewAltmetrics
2022-07Verifying the relationships of defect site and enhanced photocatalytic properties of modified ZrO2 nanoparticles evaluated by in-situ spectroscopy and STEM-EELSKim, Hyun Sung; Kim, Ye-Jin; Son, Ye Rim, et alARTICLE65 Verifying the relationships of defect site and enhanced photocatalytic properties of modified ZrO2 nanoparticles evaluated by in-situ spectroscopy and STEM-EELS
2022-04Acid-base reaction of a super‐photoacid with a cooperative amide hydrogen‐bonded chainChoi, Ye‐Jin; Kim, Heesu; Kwon, Oh HoonARTICLE222 Acid-base reaction of a super‐photoacid with a cooperative amide hydrogen‐bonded chain
2022-04Molecular design strategy for realizing vectorial electron transfer in photoelectrodesRoh, Deok-Ho; Park, Jun-Hyeok; Han, Hyun-Gyu, et alARTICLE198 Molecular design strategy for realizing vectorial electron transfer in photoelectrodes
2022-02Ultrafast Excited-State Proton Transfer of a Cationic Superphotoacid in a Nanoscopic Water PoolNho, Hak-Won; Adhikari, Aniruddha; Kwon, Oh HoonARTICLE129 Ultrafast Excited-State Proton Transfer of a Cationic Superphotoacid in a Nanoscopic Water Pool
2022-01Intrachain photophysics of a donor–acceptor copolymerNho, Hak-Won; Park, Won-Woo; Lee, Byongkyu, et alARTICLE111 Intrachain photophysics of a donor–acceptor copolymer
2021-12Viable Mixing Protocol Based on Formulated Equations for Achieving Desired Molecular Weight and Maximal Charge Separation of Photovoltaic PolymerLee, Byongkyu; Kim, Seoyoung; Nho, Hak‐Won, et alARTICLE141 Viable Mixing Protocol Based on Formulated Equations for Achieving Desired Molecular Weight and Maximal Charge Separation of Photovoltaic Polymer
2021-12Cathodoluminescence in Ultrafast Electron MicroscopyKim, Ye-Jin; Kwon, Oh HoonARTICLE126 Cathodoluminescence in Ultrafast Electron Microscopy
2021-11Optimal Length of Hybrid Metal–Semiconductor Nanorods for Photocatalytic Hydrogen GenerationChoi, Ji Yong; Park, Won-Woo; Park, Bumjin, et alARTICLE156 Optimal Length of Hybrid Metal–Semiconductor Nanorods for Photocatalytic Hydrogen Generation
2021-09Fullerene-Based Triads with Controlled Alkyl Spacer Length as Photoactive Materials for Single-Component Organic Solar CellsLee, Young Woong; Yeop, Jiwoo; Lim, Hyojin, et alARTICLE126 Fullerene-Based Triads with Controlled Alkyl Spacer Length as Photoactive Materials for Single-Component Organic Solar Cells
2021-08Planar Organic Bilayer Heterojunctions Fabricated on Water with Ultrafast Donor-to-Acceptor Charge TransferLee, Tack Ho; Park, Won-Woo; Park, Song Yi, et alARTICLE166 Planar Organic Bilayer Heterojunctions Fabricated on Water with Ultrafast Donor-to-Acceptor Charge Transfer
2021-03Acid-base reaction of a cationic hydration probe in vicinity of anionic interface of AOT reverse micellesNho, Hak-Won; Park, Jae-Heon; Adhikari, Aniruddha, et alARTICLE256 Acid-base reaction of a cationic hydration probe in vicinity of anionic interface of AOT reverse micelles
2020-12Residence and diffusion of a dynamically prototropic hydration probe in AOT reverse micellesAdhikari, Aniruddha; Park, Jae-Heon; Nho, Hak-Won, et alARTICLE247 Residence and diffusion of a dynamically prototropic hydration probe in AOT reverse micelles
2020-12Hydrogen-Bond Dynamics and Energetics of Biological WaterAdhikari, Aniruddha; Park, Won-Woo; Kwon, Oh HoonARTICLE223 Hydrogen-Bond Dynamics and Energetics of Biological Water
2020-12Hydrogen-Bond Dynamics and Energetics of Biological WaterAdhikari, Aniruddha; Park, Won-Woo; Kwon, Oh-HoonARTICLE154 Hydrogen-Bond Dynamics and Energetics of Biological Water
2020-09Light-Induced Anisotropic Morphological Dynamics of Black Phosphorus Membranes Visualized by Dark-Field Ultrafast Electron MicroscopyKim, Ye-Jin; Lee, Yangjin; Kim, Kwanpyo, et alARTICLE216 Light-Induced Anisotropic Morphological Dynamics of Black Phosphorus Membranes Visualized by Dark-Field Ultrafast Electron Microscopy
2020-05Efficient Exciton Diffusion in Organic Bilayer Heterojunctions with Nonfullerene Small Molecular AcceptorsLee, Tack Ho; Park, Song Yi; Park, Won-Woo, et alARTICLE319 Efficient Exciton Diffusion in Organic Bilayer Heterojunctions with Nonfullerene Small Molecular Acceptors
2020-04Hydrogen‐Bond Free Energy of Local Biological WaterPark, Won-Woo; Lee, Kyung Min; Lee, Byeong Sung, et alARTICLE440 Hydrogen‐Bond Free Energy of Local Biological Water
2020-01Intermediate states of molecular self-assembly from liquid-cell electron microscopyWang, Huan; Li, Bo; Kim, Ye-Jin, et alARTICLE384 Intermediate states of molecular self-assembly from liquid-cell electron microscopy
2019-08Ultrafast Electron Microscopy Visualizes Acoustic Vibrations of Plasmonic Nanorods at the InterfacesKim, Ye Jin; Jung, Hayoon; Han, Sang Woo, et alARTICLE369 Ultrafast Electron Microscopy Visualizes Acoustic Vibrations of Plasmonic Nanorods at the Interfaces
2019-06Chemoselective Trifluoroethylation Reactions of Quinazolinones and Identification of PhotostabilityMaiti, Saikat; Kim, Jaeshin; Park, Jae-Heon, et alARTICLE641 Chemoselective Trifluoroethylation Reactions of Quinazolinones and Identification of Photostability

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