Scholarworks@UNIST: Browsing Repository

Imaging Limit of Ultrafast Electron Microscopy at UNIST

Kim, Ye-Jin , Kwon, Oh Hoon

Conference Paper Issue Date2021-08-09 View7

Imaging materials dynamics at nanoscales using ultrafast electron microscopy and spectroscopy

Kwon, Oh Hoon

Conference Paper Issue Date2022-07-07 View6

Imaging moving objects at nanoscales using ultrafast electron microscopy

Kwon, Oh Hoon

Conference Paper Issue Date2020-08-19 View6

Imaging photoinduced dynamics in ultrafast electron microscopy and spectroscopy

Kwon, Oh Hoon

Conference Paper Issue Date2022-08-25 View6

Imaging Structural and Electronic-state Dynamics at the Nanoscale

Kwon, Oh Hoon

Conference Paper Issue Date2023-11-17 View9

Imaging structural and electronic-state dynamics at the nanoscale in ultrafast electron microscopy

Kwon, Oh Hoon

Conference Paper Issue Date2023-12-05 View8

Imidazole-based excited-state intramolecular proton-transfer materials: Synthesis and amplified spontaneous emission from a large single crystal File

Park, S , Kwon, Oh Hoon , Kim, S , Choi, MG , Cha, M , Park, SY , Jang, DJ

Article Issue Date2005-07 View9

Imidazole-based excited-state intramolecular proton-transfer(ESIPT) materials: Observation of thermally activated delayed fluorescence(TDF) File

Park, Sanghyuk , Kwon, Oh Hoon , Lee, Young-Shin , Jang, Du-Jeon , Park, Soo Young

Article Issue Date2007-10 View7

Integrative Approach toward Uncovering the Origin of Photoluminescence in Dual Heteroatom-Doped Carbon Nanodots File

Choi, Yuri , Kang, Byungkyun , Lee, Jooyong , Kim, Sunghu , Kim, Gyeong Tae , Kang, Hyunju , Lee, Bo Ram , Kim, Hajin , Shim, Sang-Hee , Lee, Geunsik , et al

Article Issue Date2016-10 View23

Intermediate states of molecular self-assembly from liquid-cell electron microscopy File

Wang, Huan , Li, Bo , Kim, Ye-Jin , Kwon, Oh Hoon , Granick, Steve

Article Issue Date2020-01 View10

Interplay Among Locally Excited, Change-Transfer, and Charge-Separated States in a Donor-Acceptor Copolymer Single Chain

Park, Won-woo , Nho, Hak-Won , Kwon, Oh Hoon

Conference Paper Issue Date2022-04-14 View9

Intrachain photophysics of a donor–acceptor copolymer File

Nho, Hak-Won , Park, Won-Woo , Lee, Byongkyu , Kim, Seoyoung , Yang, Changduk , Kwon, Oh Hoon

Article Issue Date2022-01 View19

Investigating the heterogeneous ultrafast phase transition of VO2 nanoparticles using energy-filtered ultrafast electron microscopy

Nho, Hak Won , Kim, Ye Jin , Kwon, Oh Hoon

Conference Paper Issue Date2023-09-14 View7

Light-Induced Anisotropic Morphological Dynamics of Black Phosphorus Membranes Visualized by Dark-Field Ultrafast Electron Microscopy File

Kim, Ye-Jin , Lee, Yangjin , Kim, Kwanpyo , Kwon, Oh Hoon

Article Issue Date2020-09 View5

Local mapping of ultrafast carrier/exciton dynamics with transient absorption microscopy

Park, Won-Woo , Kwon, Oh Hoon

Conference Paper Issue Date2021-10-14 View11

Longer-Lasting Electron-Based Microscopy of Single Molecules in Aqueous Medium File

Wang, Huan , Nagamanasa, K. Hima , Kim, Ye-Jin , Kwon, Oh Hoon , Granick, Steve

Article Issue Date2018-08 View10

Macromolecular structural dynamics visualized by pulsed dose control in 4D electron microscopy File

Kwon, Oh Hoon , Ortalan, Volkan , Zewail, Ahmed H.

Article Issue Date2011-04 View9

Manipulated Interface for Enhanced Energy Cascade in Quasi-2D Blue Perovskite Light-Emitting Diodes File

Shin, Yun Seop , Park, Chan Beom , Adhikari, Aniruddha , Yoon, Yung Jin , Cho, Hye Won , Son, Jung Geon , Seo, Jongdeuk , Song, Taehee , Lee, Woojin , Yeop, Jiwoo , et al

Article Issue Date2022-10 View23

Materials structural dynamics revealed by time-resolved electron microscopy

Kwon, Oh Hoon

Conference Paper Issue Date2016-02-24 View4

Mechanism of excited-state proton transfer of a super-photoacid to a hydrogen-bonded amide cluster

Lee, Seung Woo , Choi, Ye Jin , Lee, Seok Hyeon , Kwon, Oh Hoon

Conference Paper Issue Date2023-06-20 View4

Mechanism of excited-state proton transfer of super-photoacid to a hydrogen-bonded amide chain

Lee, Seung Woo , Choi, Ye Jin , Han, Il Kyu , Lee, Seok Hyeon , Kwon, Oh Hoon

Conference Paper Issue Date2023-01-30 View9

Mechanistic insight into the sensing of nitroaromatic compounds by metal-organic frameworks File File

Sharma, Amitoshi , Kim, Dongwook , Park, Jae-Heon , Rakshit, Surajit , Seong, Junmo , Jeong, Gyoung Hwa , Kwon, Oh Hoon , Lah, Myoung Soo

Article Issue Date2019-03 View14

Mesoscopic linear alignment and thermal-relaxation dynamics of aggregated gold nanorods File

Kwon, Oh Hoon , Lee, S , Jang, DJ

Article Issue Date2005-07 View7

Migration of protons during the excited-state tautomerization of aqueous 3-hydroxyquinoline File

Yu, HN , Kwon, Oh Hoon , Jang, DJ

Article Issue Date2004-07 View10

Molecular design strategy for realizing vectorial electron transfer in photoelectrodes File

Roh, Deok-Ho , Park, Jun-Hyeok , Han, Hyun-Gyu , Kim, Ye-Jin , Motoyoshi, Daiki , Hwang, Eunhye , Kim, Wang-Hyo , Mapley, Joseph I , Gordon, Keith C , Mori, Shogo , et al

Article Issue Date2022-04 View19

Molecular tripods showing fluorescence enhancement upon binding to streptavidin File

Kim, TW , Yoon, HY , Park, JH , Kwon, Oh Hoon , Jang, DJ , Hong, JI

Article Issue Date2005-01 View6

Morphology Tunable Hybrid Carbon Nanosheets with Solvatochromism File

Choi, Yuri , Kim, Sunghu , Choi, Yeongkyu , Song, Jaeeun , Kwon, Tae-Hyuk , Kwon, Oh Hoon , Kim, Byeong-Su

Article Issue Date2017-06 View18

Nanoscale Cathodoluminescence Thermometry with a Lanthanide-Doped Heavy-Metal Oxide in Transmission Electron Microscopy File

Park, Won-Woo , Olshin, Pavel K. , Kim, Ye-Jin , Nho, Hak-Won , Mamonova, Daria V. , Kolesnikov, Ilya E. , Medvedev, Vassily A. , Kwon, Oh Hoon

Article Issue Date2024-02 View20

Nanoscale Mechanical Drumming Visualized by 4D Electron Microscopy File

Kwon, Oh Hoon , Barwick, Brett , Park, Hyun Soon , Baskin, J. Spencer , Zewail, Ahmed H.

Article Issue Date2008-11 View3

Nonchaotic Nonlinear Motion Visualized in Complex Nanostructures by Stereographic 4D Electron Microscopy File

Kwon, Oh Hoon , Park, Hyun Soon , Baskin, J. Spencer , Zewail, Ahmed H.

Article Issue Date2010-08 View5

Observation of Transient Intermediate State in the Proton Transfer of Strong Photoacids to Weak Alcohol Bases

Kim, Sunghu , Park, Sun-Young , Kwon, Oh Hoon

Conference Paper Issue Date2015-06-30 View6

Observing in space and time the ephemeral nucleation of liquid-to-crystal phase transitions File

Yoo, Byung-Kuk , Kwon, Oh-Hoon , Liu, Haihua , Tang, Jau , Zewail, Ahmed H

Article Issue Date2015-10 View5

Optimal Length of Hybrid Metal–Semiconductor Nanorods for Photocatalytic Hydrogen Generation File

Choi, Ji Yong , Park, Won-Woo , Park, Bumjin , Sul, Soohwan , Kwon, Oh Hoon , Song, Hyunjoon

Article Issue Date2021-11 View16

Origin of ultraweak fluorescence of 8-hydroxyquinoline in water: photoinduced ultrafast proton transfer File

Park, Sun-Young , Ghosh, Prasun , Park, Sung O. , Lee, Young Min , Kwak, Sang Kyu , Kwon, Oh Hoon

Article Issue Date2016-01 View8

Phase rearrangement for minimal exciton loss in a quasi-2D perovskite toward efficient deep-blue LEDs via halide post-treatment File

Shin, Yun Seop , Yoon, Yung Jin , Adhikari, Aniruddha , Cho, Hye Won , Song, Taehee , Park, Chan Beom , Son, Jung Geon , Kim, Gi-Hwan , Kwon, Oh Hoon , Kim, Jin Young

Article Issue Date2022-12 View14

Phase Transition Dynamics Revealed by Time-Resolved Electron Microscopy

Kwon, Oh Hoon

Conference Paper Issue Date2016-08-11 View3

Photo-induced proton-transfer cycle of 2-naphthol in faujasite zeolitic nanocavities File

Lee, Young-Shin , Yu, Hyunung , Kwon, Oh Hoon , Jang, Du-Jeon

Article Issue Date2008 View12

Photocarrier relaxation pathways and multi-exciton relaxation of CdSe nanorods

Park, Won-Woo , Song, Hyunjoon , Kwon, Oh Hoon

Conference Paper Issue Date2020-10-21 View7

Photoinduced Proton Transfer of N-Methyl-Hydroxyquinolinium to Small Water Clusters

Kim, Tae Wan , Park, Won Woo , Kwon, Oh Hoon

Conference Paper Issue Date2017-05-20 View4

PHOTOINDUCED STRONG ACID-WEAK BASE REACTIONS

Kwon, Oh Hoon

Conference Paper Issue Date2016-01-07 View3

Photoinduced strong acid-weak base reactions in a polar aprotic solvent File

Lee, Young Min , Park, Sun-Young , Kim, Heesu , Kim, Taeg Gyum , Kwon, Oh Hoon

Article Issue Date2016-06 View8

Photoinduced Strong Acid-Weak Base Reactions in Solution Phase: The Role of Hydrogen-Bonded Clustering

Kwon, Oh Hoon

Conference Paper Issue Date2016-08-24 View3

Photoinduced Ultrafast Tautomerization of 8-Hydroxyquinoline in Water: The Origin of Ultraweak Fluorescence

Kwon, Oh Hoon

Conference Paper Issue Date2015-06-23 View2

Photoluminescence dynamics and spectra of C-60 and C-60(-) in VPI-5 molecular cages File

Kwon, Oh Hoon , Park, K , Jang, DJ

Article Issue Date2001-10 View14

Photophysics of C-60 and C-60(-) in faujasite zeolites File

Kwon, Oh Hoon , Yoo, H , Jang, DJ

Article Issue Date2002-01 View12

Planar Organic Bilayer Heterojunctions Fabricated on Water with Ultrafast Donor-to-Acceptor Charge Transfer File

Lee, Tack Ho , Park, Won-Woo , Park, Song Yi , Cho, Shinuk , Kwon, Oh-Hoon , Kim, Jin Young

Article Issue Date2021-08 View9

Polymer-mediated proton transfers of 7-azaindole embedded in poly(2-hydroxylethyl methacrylate) matrix File

Kwon, Oh Hoon , Jang, DJ

Article Issue Date2002 View9

Principle and Application of Four-Dimensional Electron Microscopy

Kwon, Oh Hoon

Conference Paper Issue Date2013-11-27 View3

Principle and Demonstration of Ultrafast Electron Microscopy

Kwon, Oh Hoon

Conference Paper Issue Date2015-02-25 View3

PRINCIPLE OF 4D ULTRAFAST ELECTRON MICROSCOPY AND ITS APPLICATION IN PHASE TRANSITION OF METAL OXIDE THIN FILMS

Kwon, Oh Hoon

Conference Paper Issue Date2015-11-05 View3

Progress of a New Generation Four-Dimensional Ultrafast Electron Microscope for Studying Reversible and Irreversible Structural Dynamics with a High Spatiotemporal Resolution

김영재 , 권오훈

Conference Paper Issue Date2016-04-21 View6

Proton diffusion dynamics along a diol as a proton-conducting wire in a photo-amphiprotic model system

Kim, Ye‐Jin , Mun, Kyeong Eun , Kwon, Oh Hoon

Conference Paper Issue Date2017-05-21 View9

Proton diffusion dynamics along a diol as a proton-conducting wire in a photo-amphiprotic model system File

Kim, Ye-Jin , Kwon, Oh-Hoon

Article Issue Date2016-12 View4

Proton Diffusion Dynamics along Diol as a Proton Conducting Wire in a Photo Amphiprotic Model System

김예진 , 권오훈

Conference Paper Issue Date2016-08-19 View5

Proton Diffusion Dynamics along Diol as a Proton Conducting Wire in a Photo-Amphiproic Model System

김예진 , 권오훈

Conference Paper Issue Date2016-04-21 View1

Proton Diffusion Dynamics along Diol as a Proton Conducting Wire in a Photo-Amphiprotic Model System

김예진 , 권오훈

Conference Paper Issue Date2016-07-11 View2

Proton Transfer of a Strong (Photo)Acid to Alcohol Base in a Polar Aprotic Solvent

Lee, Young Min , Park, Sun Young , Kwon, Oh Hoon

Conference Paper Issue Date2016-07-11 View5

Proton transfer of excited 7-azaindole in reverse-micellar methanol nanopools: Even faster than in bulk methanol File

Kwon, Oh Hoon , Jang, DJ

Article Issue Date2005-04 View7

Proton transfer on protein surfaces as an experimental probe for evaluating hydrogen-bonding energy of biological water

Kwon, Oh Hoon

Conference Paper Issue Date2017-11-02 View6

Proton transport of water in acid-base reactions of 7-hydroxyquinoline File

Park, Sun-Young , Lee, Young-Shin , Kwon, Oh Hoon , Jang, Du-Jeon

Article Issue Date2009-02 View7

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