Publications
2024
58. Seong Kyu Jang, Seung Hyeon Jeong, Aram Hong, Woon Yong Sohn*: Inducing the Cathodic Shift of the Onset Potential in Hematite (α-Fe2O3)-Based Photoanode with the TiO2 blocking layer by Inserting the Nickel Ferrite (NiFe2O4) Underlayer. (In preparation)
57. Hiroomi Shoda, Zhenhua Pan, Woon Yong Sohn, Kenji Katayama*: Insight into Charge Transport Mechanisms in Hematite Photoanodes via Potential-Dependent Impedance Spectroscopy and Machine Learning. (Submitted)
56. Ji Hyun Kim, Seung Hyeon Jeong, Aram Hong, Zhenhua Pan, Kenji Katayama, Woon Yong Sohn*: Enhancement of the Photoelectrochemical Performance of Bismuth Vanadate (BiVO4) Photoanode by Building a W:BiVO4/Mo:BiVO4 Homojunction. (Under Review)
55. Yeon Gyo Shim+, Jong Yeong Ko+, Ji Hyun Kim, Seung Hyeon Jeong, Woon Yong Sohn*: Investigation of the Role of TiO2 Underlayer in the Anodic Potential Shift of the Onset Potential in Hematite (α-Fe2O3) Photoanode. (Under Review)
(+ These authors contributed equally to this work.)
54. Seung Hyeon Jeong+, Seung Heon Choi+, Young Hyun Kim, Woon Yong Sohn*: Investigation of the Effect of the Passivation on the Charge Transfer from MAPbI3 to Electron Transport Layer Using a Heterodyne Transient Grating Spectroscopic Technique. ChemPhysChem 2024; 25: e202400333
(+ These authors contributed equally to this work.)
53. Seong Kyu Jang+, Won Seok Choi+, Young Hyun Kim, Woon Yong Sohn*: Investigation of the Charge Injection from Organometal Halide Perovskite to a Hole Transport Layer Using a Heterodyne Transient Grating Spectroscopic Technique. Chemical Physics Letters 2024; 844: 141272
(+ These authors contributed equally to this work.)
52. Young Hyun Kim+, Yu Gyeong Bae+, Woon Yong Sohn*: Uncovering Energetic Positions of Surface Trap States in α-Fe2O3 Treated with Cobalt Phosphate (Co-Pi) Using Charge Carrier-Selective Heterodyne Transient Grating Technique. ChemPhysChem 2024; 25: e202300894
(+ These authors contributed equally to this work.)
51. Na Kyung Lee, Woon Yong Sohn*: Utilization of Nickel Ferrite (NiFe2O4) in Hematite (α-Fe2O3) Photoanode for Photoelectrochemical Water Splitting as a Blocking Layer. ChemPhotoChem 2024; 8: e202300301
50. Young Hyun Kim, Yu Gyeong Bae, Min Hyuk Lee, JunWoo Kim, Woon Yong Sohn*: Monitoring Charge Transfer Dynamics of Surface Trapped Holes in ZnO Surface Utilized for Ethanol Oxidation Using Heterodyne Transient Grating Spectroscopic Techniques. The Journal of Physical Chemistry C 2024; 128: 2990-2996
49. Jung Yun Won, Zhenhua Pan, Yuriy Pihosh, Woon Yong Sohn*: Investigation of the Origin of the Enhanced Photoelectrochemical Performance of Gradient W-doped Bismuth Vanadate (BiVO4) photoanodes. International Journal of Hydrogen Energy 2024; 54: 1544-1551
2023
48. Ji Hyun Kim, Jungmin Kim, Zhenhua Pan, Woon Yong Sohn*: Revealing the Roles of Surface treatments on Hematite (α-Fe2O3) Photoanode in the Shift of the Onset Potential. Journal of Photochemistry and Photobiology A: Chemistry 2023; 445: 115037
47. Young Hyun Kim, Woon Yong Sohn*: A New Strategy for Monitoring the Charge Transfer from Perovskite Thin Films to Electron Transport Layers Using a Heterodyne Transient Grating Technique. Physical Chemistry Chemical Physics 2023; 25: 14742-14748 (Selected as one of the 2023 PCCP hot articles)
46. Young Hyun Kim, Yu Gyeong Bae, Woon Yong Sohn*: Development of Charge Carrier-Selective Heterodyne Transient Grating Spectroscopic Technique and Its Application in the Distinction of Surface Trap States in Hematite. Physical Chemistry Chemical Physics 2023; 25: 11981-11985 (Selected as one of the 2023 PCCP hot articles)
45. Ji Hyun Kim+, Na Kyung Lee+, Hee Won Kim, Zhenhua Pan, Woon Yong Sohn*: Sequential Modifications of the Surface of Hematite (α-Fe2O3) Photoanode with Amorphous Nickel Iron Oxide (NiFeOx) and Cobalt Phosphate (Co-Pi). Journal of Photochemistry and Photobiology A: Chemistry 2023; 437: 114478 (+ These authors contributed equally to this work.)
44. Asuka Minato, Zhenhua Pan, Kenji Katayama , Woon Yong Sohn*: Enhancement of Photoelectrochemical Performance of Bismuth Vanadate (BiVO4)-Based Photoanode by Building Phase-Junction Configurations. Journal of Photochemistry and Photobiology A: Chemistry 2023; 434: 114252
2022
43. Hee Won Kim, Jung Yun Won, Zhenhua Pan, Woon Yong Sohn*: Tailoring the morphology of hafnium zirconium oxide (Hf0.6Zr0.4O2) as a cocatalyst for photoelectrochemical water oxidation over a hematite (α-Fe2O3) photoanode. Bulletin of the Korean Chemical Society 2022; 43: 876 - 881
42. Yuhei Taga, Zhenhua Pan, Kenji Katayama, Woon Yong Sohn*: BiVO4-dotted WO3 Photoanode with an Inverse Opal Underlayer for Photoelectrochemical Water Splitting. ACS Applied Energy Materials 2022; 5: 5750 - 5755
41. Asuka Minato, Kenji Katayama , Woon Yong Sohn*: Investigation of the Photo-Excited Charge Carrier Dynamics in Bismuth Vanadate (BiVO4) Photoanode by the Heterodyne Transient Grating Technique. Journal of Photochemistry and Photobiology A: Chemistry 2022; 424: 113659
2021
40. Kenji Katayama, Woon Yong Sohn: 8 Time-resolved dynamics of dye-doped liquid crystals and the origin of their optical nonlinearity. In book: Unconventional Liquid Crystals and Their Applications 2021; 10.1515/9783110584370-008
39. 김희원, 손운용*: 광전기화학적 물분해 메커니즘에 관한 연구 동향. 화학세계 2021; 6:11-16
38. Tsuyoshi Tokubuchi, Ramis Arbi, Pan Zhenhua, Kenji katayama, Ayse Turak*, Woon Yong Sohn*: Enhanced Photoelectrochemical Water Splitting Efficiency of Hematite (α-Fe2O3)-Based Photoelectrode by the Introduction of Maghemite (γ-Fe2O3) Nanoparticles. Journal of Photochemistry and Photobiology A: Chemistry 2021; 410:113179
37. Yuhei Taga, Kenji Katayama, Woon Yong Sohn*: Time-resolved spectroscopic study of photo-excited charge carrier dynamics in hematite (α-Fe2O3): Effect of re-growth treatment. Journal of Photochemistry and Photobiology A: Chemistry 2021; 408:113107
2020
36. Minako Miyagawa, Woon Yong Sohn, Kenji katayama: Demonstration of rewritable hologram by using photo-induced optical nonlinearity in liquid crystals. Molecular Crystals and Liquid Crystals 2020; 712(1):97-103
35. Yota Sakai, Woon Yong Sohn, Kenji Katayama: Photo-controllable rotational motion of cholesteric liquid crystalline droplets in a dispersion system. RSC Advances 2020; 10(36):21191-21197
34. Mika Inaba, Kenji Katayama, Woon Yong Sohn*: Cooperative Effects of Surface and Interface Treatments in Hematite (α-Fe2O3) Photo-Anode on Its Photo-Electrochemical Performance. Sustainable Energy & Fuels 2020; 4:2174
2019
33. Yuya Nagai, Woon Yong Sohn, Kenji Katayama: Initial estimation method by cosine similarity for multivariate curve resolution: Application to NMR spectra of chemical mixture. The Analyst 2019; 144(20)
32. Haruka Sakanoue, Woon Yong Sohn, Kenji Katayama: Molecular Orientation Change Nearby Topological Defects Observed by Photo-Induced Polarization/Phase Microscopy. ACS Omega 2019; 4(9)
31. Yota Sakai, Woon Yong Sohn, Kenji Katayama: Optical motion control of liquid crystalline droplets by host-guest molecular interaction. Soft Matter 2019; 15(36) (Highlighted in back cover)
30. Makoto Ebihara, Woon Yong Sohn, Kenji Katayama: Lifetime mapping of photo-excited charge carriers by the transient grating imaging technique for nano-particulate semiconductor films. Review of Scientific Instruments 2019; 90(7):073905
29. Kenji Katayama, Daiki Kato, Kin-Ichiro Nagasaka, Minako Miyagawa, Woon Yong Sohn, Kuang-Wu Lee: Origin of optical nonlinearity of photo-responsive liquid crystals revealed by transient grating imaging. Scientific Reports 2019; 9(1):5754
28. Woon Yong Sohn*, Mika Inaba, Tsuyoshi Tokubuchi, James E. Thorne, Dunwei Wang*, Kenji Katayama*: Uncovering Photo-Excited Charge Carrier Dynamics in Hematite (α-Fe2O3) Hidden in Nanosecond Range by the Heterodyne Transient Grating Technique Combined with the Randomly Interleaved Pulse-Train Method. The Journal of Physical Chemistry C 2019; 123(11):6693-6700 (Highlighted as supplementary cover)
2018
27. Yoshiharu Dogishi, Yota Sakai, Woon Yong Sohn, Kenji Katayama: Optically induced motion of liquid crystalline droplets. Soft Matter 2018; 14(40) (Highlighted in back cover)
26. Daiki Kato, Woon Yong Sohn, Kenji Katayama: Aggregation-Induced Expansion of Poly-( N -isopropyl acrylamide) Solutions Observed Directly by the Transient Grating Imaging Technique. ACS Omega 2018; 3(8):8484-8490
25. Woon Yong Sohn, Jeong Jin Kim, MyeongWon Jeon, Takuma Aoki, Shun-ichi Ishiuchi, Masaaki Fujii, Hyuk KANG: Entropic Effect Makes a More Tightly Folded Conformer of a β-Amino Acid Less Stable: UV-UV Hole Burning and IR Dip Spectroscopy of L-β3-Homotryptophan by Laser Desorption Supersonic Jet Technique. Physical Chemistry Chemical Physics 2018; 20(30)
24. Mika Inaba, James E. Thorne, Dunwei Wang, Woon Yong Sohn*, Kenji Katayama*: Comparative Study of Photo-Excited Charge Carrier Dynamics of Atomic Layer Deposited and Solution-Derived Hematite Films: Dependence of Charge Carrier Kinetics on Surface Orientations. Journal of Photochemistry and Photobiology A: Chemistry 2018; 364:645-649
23. Naoya Yoshinaga, Naoto Nakajima, Woon Yong Sohn, Kenji Katayama: Facile and quick preparation of colloid crystals with micron-sized particles by intentionally induced convex flow. Chemistry Letters 2018; 47:1123-1126
22. Kin-Ichiro Nagasaka, Woon Yong Sohn, Kenji Katayama: Surface-dominant and bulk-dominant processes in the phase recovery of liquid crystals. Molecular Crystals and Liquid Crystals 2018; 663(1):82-89
21. Woon Yong Sohn, James E. Thorne, YaoHong Zhang, Shota Kuwahara, Qing Shen, Dunwei Wang, Kenji Katayama: Charge Carrier Kinetics in Hematite with an Amorphous NiFeOx Coating in Aqueous Solutions: Dependence on Bias Voltage. Journal of Photochemistry and Photobiology A Chemistry 02/2018; 353:344 - 348
20. Sana Habka, Woon Yong Sohn, Vanesa Vaquero, Marie Géléoc, Benjamin Tardivel, Valérie Brenner, Eric Gloaguen, Michel MONS: On the turn-inducing properties of asparagine: The structuring role of the amide side chain, from isolated model peptides to crystallized proteins. Physical Chemistry Chemical Physics 2018; 20(5):3411-3423
19. Daiki Shingai, Yusuke Ide, Woon Yong Sohn*, Kenji Katayama*: Photoexcited Charge Carrier Dynamics of Interconnected TiO2 Nanoparticles: Evidence of Enhancement of Charge Separation at Anatase-Rutile Particle Interfaces. Physical Chemistry Chemical Physics 2018; 20(5):3484-3489
2017
18. Yoshiharu Dogishi, Shun Endo, Woon Yong Sohn, Kenji Katayama: Formation of Photo-Responsive Liquid Crystalline Emulsion by Using Microfluidics Device. Entropy 2017; 19(12):669
17. Kenji Katayama, Daiki Kato, Kin-Ichiro Nagasaka, Minako Miyagawa, Woon Yong Sohn: Response of liquid crystals in the pre-transitional state. Molecular Crystals and Liquid Crystals 2017; 657(1):89-94
16. Miki Yamaguchi, Taisei Nishimura, Woon Yong Sohn, Qing Shen, Shota Kuwahara, Kenji Katayama: Optimization parameters and their effect for photo-generated carriers in solid-state dye-sensitized solar cells. Analytical Sciences 2017; 33(9):1041
15. Taisei Nishimura, Woon Yong Sohn, Qing Shen, Shota Kuwahara, Kenji Katayama: Anomalous enhancement by alkylamine of the dye-sensitized solar cells using TEMPO redox. Journal of Photochemistry and Photobiology A Chemistry 2017; 346:281-286
14. Woon Yong Sohn, Sana Habka, Eric Gloaguen, Michel MONS: Unifying the microscopic picture of His-containing turns: From gas phase model peptides to crystallized proteins. Physical Chemistry Chemical Physics 2017; 19(26):17128-17142
13. Woon Yong Sohn, Shota Kuwahara, James E. Thorne, Dunwei Wang, Kenji Katayama: Investigation of Photoexcited Carrier Dynamics in Hematite and the Effect of Surface Modifications by an Advanced Transient Grating Technique. ACS Omega 2017; 2(3):1031-1035
2016
12. Woon Yong Sohn, Valérie Brenner, Eric Gloaguen, Michel Mons: Local NH – π interactions involving aromatic residues of proteins: influence of backbone conformation and ππ* excitation on the π H bond strength, as revealed from studies of isolated model peptides. Physical Chemistry Chemical Physics 2016; 18(43):29969-29978
2014
11. Woon Yong Sohn, Shun-ichi Ishiuchi, Pierre Çarçabal, Hikari Oba, Masaaki Fujii: UV-UV hole burning and IR dip spectroscopy of homophenylalanine by laser desorption supersonic jet technique. Chemical Physics 2014; 445:21
10. Marcela Carolina Capello, Michel Broquier, Shun-Ichi Ishiuchi, Woon Y Sohn, Masaaki Fujii, Claude Dedonder-Lardeux, Christophe Jouvet, Gustavo A Pino: Fast Nonradiative Decay in o-Aminophenol. The Journal of Physical Chemistry A 02/2014; 118:2056
2013
9. Woon Yong Sohn, Jeong Seok Kang, So Young Lee, Hyuk Kang: Fluorescence excitation spectrum and solvent-assisted conformational isomerization (SACI) of jet-cooled acetaminophen. Chemical Physics Letters 2013; 581:36
8. Hae Jun Jung, Woon Yong Sohn, Cheol Ho Heo, Hwan Hyung Kim, Shun-ichi Ishiuchi, Masaaki Fujii, Hyuk Kang: Gas-Phase Spectroscopy of Laser-Desorbed Acedan and Proline-Acedan. Bulletin of the Korean Chemical Society 2013; 34(8):2241
7. Woon Yong Sohn, Shun-Ichi Ishiuchi, Mitsuhiko Miyazaki, Jeongseok Kang, Soyoung Lee, Ahreum Min, Myong Yong Choi, Hyuk Kang, Masaaki Fujii: Conformationally resolved spectra of acetaminophen by UV-UV hole burning and IR dip spectroscopy in the gas phase. Physical Chemistry Chemical Physics 01/2013; 15:957
2012
6. Woon Yong Sohn, Keun-Jin Cho, So Young Lee, Sung Sik Kang, Young Dong Park, Hyuk Kang: Solvent-Assisted Conformational Isomerization (SACI) of meta-Substituted Phenols: Tuning Relative Stability, Isomerization Barrier, and IVR Rate. Chemical Physics Letters 2012; 525-526:37
2011
5. Woon Yong Sohn, Minho Kim, Sang-Su Kim, Young Dong Park, Hyuk Kang: Solvent-assisted conformational isomerization and the conformationally-pure REMPI spectrum of 3-aminophenol. Physical Chemistry Chemical Physics 2011; 13(15):7037-42
4. Ivan Alata, Michel Broquier, Claude Dedonder-Lardeux, Christophe Jouvet, Minho Kim, Woon Yong Sohn, Sang-su Kim, Hyuk Kang, Markus Schütz, Alexander Patzer, Otto Dopfer: Microhydration effects on the electronic spectra of protonated polycyclic aromatic hydrocarbons: [naphthalene-(H2O)n = 1,2]H+. The Journal of Chemical Physics 2011; 134(7):074307
2010
3. Woon Yong Sohn, Minho Kim, Sang-Su Kim, Hyuk Kang: Computational Study of 3-Aminophenol·(CO 2 ) 1 Cluster: CO2 Capture Ability of 3-Aminophenol. Bulletin of the Korean Chemical Society 2010; 31:2806-2808
2. Woon Yong Sohn, Jae Shin Lee: Structure and Conformational Stability of Protonated Dialanine. The Journal of Physical Chemistry A 07/2010; 114(28):7537-43
1. Woon Yong Sohn, Tae Wu Kim, Jae Shin Lee: Structure and Energetics of C60O: A Theoretical Study. The Journal of Physical Chemistry A 2010; 114(4):1939-43