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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 Date	Title	Author(s)	Type	View	Altmetrics
2022-07	Verifying the relationships of defect site and enhanced photocatalytic properties of modified ZrO2 nanoparticles evaluated by in-situ spectroscopy and STEM-EELS	Kim, Hyun Sung; Kim, Ye-Jin; Son, Ye Rim, et al	ARTICLE	65	Verifying the relationships of defect site and enhanced photocatalytic properties of modified ZrO2 nanoparticles evaluated by in-situ spectroscopy and STEM-EELS
2022-04	Acid-base reaction of a super‐photoacid with a cooperative amide hydrogen‐bonded chain	Choi, Ye‐Jin; Kim, Heesu; Kwon, Oh Hoon	ARTICLE	222	Acid-base reaction of a super‐photoacid with a cooperative amide hydrogen‐bonded chain
2022-04	Molecular design strategy for realizing vectorial electron transfer in photoelectrodes	Roh, Deok-Ho; Park, Jun-Hyeok; Han, Hyun-Gyu, et al	ARTICLE	198	Molecular design strategy for realizing vectorial electron transfer in photoelectrodes
2022-02	Ultrafast Excited-State Proton Transfer of a Cationic Superphotoacid in a Nanoscopic Water Pool	Nho, Hak-Won; Adhikari, Aniruddha; Kwon, Oh Hoon	ARTICLE	129	Ultrafast Excited-State Proton Transfer of a Cationic Superphotoacid in a Nanoscopic Water Pool
2022-01	Intrachain photophysics of a donor–acceptor copolymer	Nho, Hak-Won; Park, Won-Woo; Lee, Byongkyu, et al	ARTICLE	111	Intrachain photophysics of a donor–acceptor copolymer
2021-12	Viable Mixing Protocol Based on Formulated Equations for Achieving Desired Molecular Weight and Maximal Charge Separation of Photovoltaic Polymer	Lee, Byongkyu; Kim, Seoyoung; Nho, Hak‐Won, et al	ARTICLE	141	Viable Mixing Protocol Based on Formulated Equations for Achieving Desired Molecular Weight and Maximal Charge Separation of Photovoltaic Polymer
2021-12	Cathodoluminescence in Ultrafast Electron Microscopy	Kim, Ye-Jin; Kwon, Oh Hoon	ARTICLE	126	Cathodoluminescence in Ultrafast Electron Microscopy
2021-11	Optimal Length of Hybrid Metal–Semiconductor Nanorods for Photocatalytic Hydrogen Generation	Choi, Ji Yong; Park, Won-Woo; Park, Bumjin, et al	ARTICLE	156	Optimal Length of Hybrid Metal–Semiconductor Nanorods for Photocatalytic Hydrogen Generation
2021-09	Fullerene-Based Triads with Controlled Alkyl Spacer Length as Photoactive Materials for Single-Component Organic Solar Cells	Lee, Young Woong; Yeop, Jiwoo; Lim, Hyojin, et al	ARTICLE	126	Fullerene-Based Triads with Controlled Alkyl Spacer Length as Photoactive Materials for Single-Component Organic Solar Cells
2021-08	Planar Organic Bilayer Heterojunctions Fabricated on Water with Ultrafast Donor-to-Acceptor Charge Transfer	Lee, Tack Ho; Park, Won-Woo; Park, Song Yi, et al	ARTICLE	166	Planar Organic Bilayer Heterojunctions Fabricated on Water with Ultrafast Donor-to-Acceptor Charge Transfer
2021-03	Acid-base reaction of a cationic hydration probe in vicinity of anionic interface of AOT reverse micelles	Nho, Hak-Won; Park, Jae-Heon; Adhikari, Aniruddha, et al	ARTICLE	256	Acid-base reaction of a cationic hydration probe in vicinity of anionic interface of AOT reverse micelles
2020-12	Residence and diffusion of a dynamically prototropic hydration probe in AOT reverse micelles	Adhikari, Aniruddha; Park, Jae-Heon; Nho, Hak-Won, et al	ARTICLE	247	Residence and diffusion of a dynamically prototropic hydration probe in AOT reverse micelles
2020-12	Hydrogen-Bond Dynamics and Energetics of Biological Water	Adhikari, Aniruddha; Park, Won-Woo; Kwon, Oh Hoon	ARTICLE	223	Hydrogen-Bond Dynamics and Energetics of Biological Water
2020-12	Hydrogen-Bond Dynamics and Energetics of Biological Water	Adhikari, Aniruddha; Park, Won-Woo; Kwon, Oh-Hoon	ARTICLE	154	Hydrogen-Bond Dynamics and Energetics of Biological Water
2020-09	Light-Induced Anisotropic Morphological Dynamics of Black Phosphorus Membranes Visualized by Dark-Field Ultrafast Electron Microscopy	Kim, Ye-Jin; Lee, Yangjin; Kim, Kwanpyo, et al	ARTICLE	216	Light-Induced Anisotropic Morphological Dynamics of Black Phosphorus Membranes Visualized by Dark-Field Ultrafast Electron Microscopy
2020-05	Efficient Exciton Diffusion in Organic Bilayer Heterojunctions with Nonfullerene Small Molecular Acceptors	Lee, Tack Ho; Park, Song Yi; Park, Won-Woo, et al	ARTICLE	319	Efficient Exciton Diffusion in Organic Bilayer Heterojunctions with Nonfullerene Small Molecular Acceptors
2020-04	Hydrogen‐Bond Free Energy of Local Biological Water	Park, Won-Woo; Lee, Kyung Min; Lee, Byeong Sung, et al	ARTICLE	440	Hydrogen‐Bond Free Energy of Local Biological Water
2020-01	Intermediate states of molecular self-assembly from liquid-cell electron microscopy	Wang, Huan; Li, Bo; Kim, Ye-Jin, et al	ARTICLE	384	Intermediate states of molecular self-assembly from liquid-cell electron microscopy
2019-08	Ultrafast Electron Microscopy Visualizes Acoustic Vibrations of Plasmonic Nanorods at the Interfaces	Kim, Ye Jin; Jung, Hayoon; Han, Sang Woo, et al	ARTICLE	369	Ultrafast Electron Microscopy Visualizes Acoustic Vibrations of Plasmonic Nanorods at the Interfaces
2019-06	Chemoselective Trifluoroethylation Reactions of Quinazolinones and Identification of Photostability	Maiti, Saikat; Kim, Jaeshin; Park, Jae-Heon, et al	ARTICLE	641	Chemoselective Trifluoroethylation Reactions of Quinazolinones and Identification of Photostability

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