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Chemical Physics Letters
Physical Chemistry Chemical Physics
Soft Matter
Sustainable Energy & Fuels
Journal of Physical Chemistry C
Journal of Physical Chemistry C
Soft Matter
ACS Applied Energy Materials
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170. "Local charge-carrier dynamics of a particulate Ga-doped La5Ti2Cu0.9Ag0.1O7S5 photocatalyst by pattern-illumination time-resolved phase microscopy and the impact of Rh cocatalyst"
T. Chugenji, Z. Pan, V. Nandal, K. Seki, K. Domen and K. Katayama
Phys. Chem. Chem. Phys., 2022,24, 17485-17495
This paper was selected as a hot paper in PCCP.
168. "BiVO4-dotted WO3 Photoanode with an Inverse Opal Underlayer for Photoelectrochemical Water Splitting"
Y. Taga, Z. Pan, K. Katayama, S. W. Yong
167. "Microscopic Interfacial Charge Transfer at Perovskite / Hole Transport Layer Interfaces Clarified by the Pattern-illumination Time-resolved Phase Microscopy Microscopy"
T. Chugenji, Z. Pan and K. Katayama
166. "Distinction and separation of different types of charge carriers from the time-resolved local charge carrier mapping for photocatalytic materials"
K. Kawaguchi, T. Chugenji, S. Okunaka, H. Tokudome and K. Katayama
165. "Prediction of Photoelectrochemical Performance of Hematite Electrodes by Analytical Data"
Y. Nagai and K. Katayama
164. "Particulate Hematite Photoanodes for Photoelectrochemical Water Splitting"
Z. Pan*, Y. Rito, T. Higashi, Y. Pihosh and S. Hu and K. Katayama
163. "Overall photosynthesis of H2O2 by an inorganic semiconductor"
T. Liu, Z. Pan*, J. J. M. Vequizo, K. Kato, B. Wu, A. Yamakata, K. Katayama, B. Chen, C. Chu* & K. Domen
162. "Photocontrollable Crystallization at the Topological Defect of a Liquid Crystalline Droplet"
Y. Sakai, H. Kusaki and K. Katayama
161. "Defocus-Induced Phase Contrast Enhancement in Pattern Illumination Time-resolved Phase microscopy"
K. Katayama, T. Chugenji, and K. Kawaguchi
160. "Investigation of the Photo-Excited Charge Carrier Dynamics in Bismuth Vanadate (BiVO4) Photoanode by the Heterodyne Transient Grating Technique "
A. Minato, K. Katayama and W. Y. Sohn
Journal of Photochemistry and Photobiology A, 2022, 424, 113659
159. "Controlled Formation of Topological Defects of Liquid Crystals in Micro-Wells "
H. Sakanoue, S. Yamashita, T. Murakami, H. Suzuki and K. Katayama
158. "Charge Carrier Trapping during Diffusion Generally Observed for Particulate Photocatalytic Substrates"
K. Katayama, T. Chugenji, and K. Kawaguchi
157. "Time-resolved dynamics of dye-doped liquid crystals and the origin of their optical nonlinearity, "
K. Katayama, W. Y. Sohn
"Unconventional Liquid Crystals and Their Applications" edited by Prof. Wei Lee and Prof. Sandeep Kumar, Chapter 8, p. 331.
156. "Analysis of Molecular Disordering Processes in the Phase Transition of Liquid Crystals Observed by Patterned-illumination Time-resolved Phase Microscopy"
N. Sato and K. Katayama
155. "Multivariate Curve Resolution Combined with Estimation by Cosine Similarity Mapping of Analytical Data"
Y. Nagai and K. Katayama
154. "Charge Carrier Mapping for Z-scheme Photocatalytic Water-Splitting Sheet via Categorization of Microscopic Time-resolved Image Sequence"
M. Ebihara, T. Ikeda, S. Okunaka, H. Tokudome, K. Domen and K. Katayama
Nature Communications, 12, 3716 (2021)
オプトロニクス掲載
Chem-Station スポットライトリサーチ
Nature Communications, Editors' Highlights in "Energy"
153. "Charge Carrier Inhomogeneity of MAPbI3 Clarified by the Clustering of the Time-Resolved Microscopic Image Sequence"
T. Chugenji, M. Ebihara, and K. Katayama
152. "Time-resolved dynamics of dye-doped liquid crystals and the origin of their optical nonlinearity"
K. Katayama and W. Y. Sohn
"Unconventional Liquid Crystals and Their Applications" edited by Prof. Wei Lee and Prof. Sandeep Kumar, Walter de Gruyter GmbH
151. "Inference of molecular orientation/ordering change nearby topological defects by the neural network function from the microscopic color information"
H. Sakanoue, Y. Hayashi, and K. Katayama
150. "Enhanced Photoelectrochemical Water Splitting Efficiency of Hematite (α-Fe2O3)-Based Photoelectrode by the Introduction of Maghemite (γ-Fe2O3) Nanoparticles"
T. Tokubuchi, R. I. Arbi, P. Zhenhua, K. Katayama, A. Turak, and W. Y. Sohn
Journal of Photochemistry and Photobiology A, 2021, 410, 113179
149. "Time-Resolved Spectroscopic Study of Photo-Excited Charge Carrier Dynamics in Hematite (-Fe2O3): Effect of Re-Growth Treatment"
Y. Taga, K. Katayama, and W. Y. Sohn
Journal of Photochemistry and Photobiology A, 2020, 408, 113107
148. "Demonstration of rewritable hologram by using photo-induced optical nonlinearity in liquid crystals"
M. Miyagawa, W. Y. Sohn and K. Katayama
147. "Anomalous charge carrier decay spotted by the clustering of time-resolved microscopic phase image sequence"
M. Ebihara and K. Katayama
146. "パターン光照射時間分解位相差顕微鏡の開発 ー光触媒・太陽電池材料の光励起キャリヤを可視化するー"
片山建二
可視化情報学会誌2020年10月号p.10-13
145. "Photo-excited charge carrier imaging by time-resolved pattern illumination phase microscopy "
K. Katayama
144. "Photo-controllable rotational motion of cholesteric liquid crystalline droplets in a dispersion system"
Y. Sakai, W. Y. Sohn, and K. Katayama
143. "Cooperative Effects of Surface and Interface Treatments in Hematite (a-Fe2O3) Photo-Anode on Its Photo-Electrochemical Performance"
M. Inaba, K. Katayama, and W. Y. Sohn
142. "Development of small-scale experiments for the education of chemical engineering and its practice for undergraduates"
K. Katayama, R. Ichinose, Y. Konno, W. Y. Sohn, S. Kuwahara, T. Funazukuri
141. "Initial estimation method by cosine similarity for multivariate curve resolution: Application to NMR spectra of chemical mixture"
Y. Nagai, W. Y. Sohn and K. Katayama
140. "Optical motion control of liquid crystalline droplets by host-guest molecular interaction"
Y. Sakai, W. Y. Sohn and K. Katayama
139. "Molecular orientation change nearby topological defects observed by photo-induced polarization/phase microscopy"
H. Sakanoue, W. Y. Sohn and K. Katayama
138. "Lifetime mapping of photo-excited charge carriers by the transient grating imaging technique for nano-particulate semiconductor films"
M. Ebihara, W. Y. Sohn and K. Katayama
137. "Origin of optical nonlinearity of photo-responsive liquid crystals revealed by transient grating imaging"
K. Katayama, D. Kato, K-I. Nagasaka, M. Minagawa, W. Y. Sohn, K-W. Lee
136. "Improving Photovoltaic Performance of ZnO Nanowires Based Colloidal Quantum Dot Solar Cells via SnO2 Passivation Strategy"
S. Ozu, Y. Zhang, H. Yasuda, Y. Kitabatake, T. Toyoda, M. Hirata, K. Yoshino, K. Katayama, S. Hayase, R. Wang, Q. Shen
135. "Uncovering Photo-Excited Charge Carrier Dynamics in Hematite Hidden in Nanosecond Range by Heterodyne Transient Grating Technique Combined with Randomly-Interleaved-Pulse- Train Method"
W. Y. Sohn, M. Inaba,T. Tokubuchi, J. E. Thorne, D. Wang and K. Katayama
134. "Optically induced motion of liquid crystalline droplets"
Y. Dogishi, Y. Sakai, W. Y. Sohn, K. Katayama
133. "Aggregation-induced expansion of poly-(N-isopropyl acrylamide) solutions observed directly by the transient grating imaging technique"
D. Kato W. Y. Sohn, K. Katayama
132. "Comparative Study of Photo-Excited Charge Carrier Dynamics of Atomic Layer Deposited and Solution-Derived Hematite Films: Dependence of Charge Carrier Kinetics on Surface Orientation"
M. Inaba, J. E. Thorne, D. Wang, W. Y. Sohn, K. Katayama
Journal of Photochemistry and Photobiology A: Chemistry, DOI:10.1016/j.jphotochem.2018.06.048
131. "Facile and quick preparation of colloid crystals with micron-sized particles by intentionally induced convex flow"
Yoshinaga, Naoya; Nakajima, Naoto; Sohn, Woon Yong; Katayama, Kenji
130. "Two-photon actuation of crosslinked liquid-crystalline polymers utilizing energy transfer system"
Shota Sasaki, Toru Ube, Kenji Katayama, Masayasu Muramatsu, Hiroshi Miyasaka & Tomiki Ikeda
Molecular Crystals and Liquid Crystals DOI:10.1080/15421406.2018.1466241
129. "Photoexcited Charge Carrier Dynamics of Interconnected TiO2 Nanoparticles: Evidence of Enhancement of Charge Separation at Anatase-Rutile Particle Interfaces"
Shingai, Daiki; Ide, Yusuke; Sohn, Woon Yong; Katayama, Kenji
128. "Response of liquid crystals in the pre-phase transitional state"
K. Katayama, D. Kato, K-I. Nagasaka M. Miyagawa, W. Y. Sohn
127. "Formation of photo-responsive liquid crystalline emulsion by using microfluidics device"
Yoshiharu Dogishi, Shun Endo, Woon Yong Sohn, Kenji Katayama
126. "Charge carrier kinetics in hematite with NiFeOx coating in aqueous solutions: Dependence on bias voltage"
Woon Yong Sohn, James E., Thorne, Yaohong, Zhang, Shota Kuwahara, Qing Shen, Dunwei Wang and Kenji Katayama
Journal of Photochemistry and Photobiology A: Chemistry, 2018, 353, 344-348.
125. "Photoexcited charge carrier dynamics of interconnected TiO2 nanoparticles: evidence of enhancement of charge separation at anatase–rutile particle interfaces"
Daiki Shingai, Yusuke Ide, Woon Yong Sohn, and Kenji Katayama
Physical Chemistry Chemical Physics, 2018, 20(5), 3484-3489.
124. "Optimization of Experimental Parameters for the Performance of Solid-state Dye-sensitized Solar Cells"
Miki Yamaguchi, Taisei, Nisimura, Woon Yong Sohn, Qing Shen, Shota Kuwahara, and Kenji Katayama
Aanlytical Sciences, 2017, 33(9), 1041-1046.
123. "Investigation of photo-excited carrier dynamics in hematite and the effect of surface modifications by advanced transient grating technique"
Qing Shen, Teresa S., Ripolles, Jackey Even, Yuhei Ogomi, Koji Nishinaka, Takuya Izuishi, Naoki, Nakazawa Yaohong Zhang, Chao Ding, Feng, Liu, Taro Toyoda, Kenji Yoshino, Takashi, Minemoto, Kenji Katayama Shuzi, Hayase
Applied Physics Letters, 2017, 111(15), 153903.
122. "Investigation of photo-excited carrier dynamics in hematite and the effect of surface modifications by advanced transient grating technique"
Woon Yong Sohn, Shota Kuwahara, James Throne, Dunwei Wang, and Kenji Katayama
ACS Omega, 2017, 2(3), 1031-1035.
121. "Direct measurement of the propagation of the phase-transition region of liquid crystal"
Takahiro Sato, and Kenji Katayama
Scientific Reports, 2017, 7, 44801.
120. "Host-guest molecular interactions in the phase transition of liquid crystals"
Takahiro Sato, Shota Kuwahara, Kenji Katayama
Molecular Crystals and Liquid Crystals, 2016, 120(50), 28509-28519.
119. "Air Stable PbSe Colloidal Quantum Dot Heterojunction Solar Cells:Ligand-Dependent Exciton Dissociation, Recombination,Photovoltaic Property, and Stability"
Yahong Zhang, Chao Ding, Guohua Wu, Naoki Nakazawa, Jin Chang, Yuhei Ogomi, Taro Toyoda, Shuzi Hayase, Kenji Katayama and Qing Shen
J. Phys. Chem. C, 2016, 120(50), 28509-28519.
118. "Ligand-dependent exciton dynamics and photovoltaic properties of PbS quantum dot heterojunction solar cells"
Jin Chang, Yuhei Ogomi,Chao Ding, Yao Hong Zhang, Taro Toyoda, Shuzi Hayase, Kenji Katayama and Qing Shen
Phys. Chem. Chem. Phys., 2017, 19, 6358-6367.
117. "Specific Interaction between Dyes and Ions In Dye-sensitized Solar Cells Observed with Temporal Spectral Shift of Dyes"
R. Hosokawa, S. Kuwahara and K. Katayama
J. Photochem. Photobio. A: Chemistry, 2016, 18, 25271-25276.
116. "Distinction of electron pathways at titanium oxide / liquid interfaces in photocatalytic processes and co-catalyst effect"
S. Kuwahara, K. Katayama
Phys. Chem. Chem. Phys., 2016, 18, 25271-25276.
115. "The effect of CdS on the charge separation and recombination dynamics in PbS/CdS double-layered quantum dot sensitized solar cells "
K. Sato, K. Ono, T. Izuishi, S. Kuwahara, K. Katayama, T. Taro, Q. Shen
Chem. Phys., 2016, 478204), 159-163.
114. "Photocatalytic organic syntheses using a glass-milled microchip"
A. Nakamura, K. Yoshida, S. Kuwahara, K. Katayama
J. Photochem. Photobio. A, 2016, 322-323, 35-40.
113. "The Electronic Structure and Photoinduced Electron Transfer Rate of CdSe Quantum Dots on Single Crystal Rutile TiO2: Dependence on the Crystal Orientation of the Substrate"
T. Toyoda, W. Yindeesuk, K. Kamiyama, K. Katayama, H. Kobayashi, S. Hayase, Q. Shen
J. Phys. Chem. C, 2016, 120(4), 2047-2057.
112. "Characterization of hot carrier cooling and multiple exciton generation dynamics in PbS QDs using an improved transient grating technique"
Q. Shen, K. Katayama, T. Toyoda
J. Ener. Chem., 2015, 24(6), 712-716.
112. "Characterization of hot carrier cooling and multiple exciton generation dynamics in PbS QDs using an improved transient grating technique"
Q. Shen, K. Katayama, T. Toyoda
J. Ener. Chem., 2015, 24(6), 712-716.
111. "Uncovering the charge transfer and recombination mechanism in ZnS-coated PbS quantum dot sensitized solar cells"
J. Chang, T. Oshima, S. Hachiya, K. Sato, T. Toyoda, K. Katayama, S. Hayase, Q. Shen
Solar Energy, 2015, 122, 307-313.
110. "Blocking Effect for Carrier Transfer to Triiodide in case of Alkyl Functionalized Dyes in Dye Sensitized Solar Cell"
K. Omata, S. Kuwahara, R. Hosokawa, T. Nishimura, S. Qing, T. Toyoda, K. Katayama
Bull. Chem. Soc. Jpn., 2015, 88, 1308-1311.
109. "Optical absorption, charge separation and recombination dynamics in Sn/Pb cocktail perovskite solar cells and their relationships to photovoltaic performances"
Q. Shen, Y. Ogomi, J. Chang, T. Toyoda, K. Fujiwara, K. Yoshino, Y. Kuga, K. Katayama, S. Hayase
J. Mater. Chem. A., 2015, 3, 9308-9316.
108. "The cause for the low efficiency of dye sensitized solar cells with the combination of Ruthenium dyes and Cobalt redox"
K. Omata, S. Kuwahara, K. Katayama, Q. Shen, T. Toyoda, K. M. Lee, C. G. Wu
Phys. Chem. Chem. Phys., 2015, 17, 10170-10175.
107. "Evaluation of the Water-treatment Ability of Silica-doped Titanium Dioxide-coated Glass Plates Using a Cationic Coupling Reagent Based on a Flow Analytical System"
T. Sugita, M. Mori, A. Mase, S. Noguchi, T. Tokutome, K. Fujii, C. Hara, K. Katayama, S. Iwamoto, H. Itabashi
Anal. Sci., 2015, 32(1), 15-21.
106. "Depth-selective microscopic observation of photomobile liquid crystal polymer under UV illumination"
K. Katayama, Y. Choi, J. W. Kang, Z. Yaquoob, P. T. C. So, T. Fujii, S. Kuwahara, K. Takado, T. Ikeda
Phys. Chem. Chem. Phys., 2014, 16(48), 27074-27077.
105. "Role of lithium and co-existing cations in electrolyte to improve performance of dye-sensitized solar cells"
S. Taya, S. Kuwahara, Q. Shen, T. Toyoda, K. Katayama
RSC Advances, 2014, 4(41), 21517-21520.
104. "Study on photocatalytic organic reactions using photocatalytic microreactors"
K. Shimaoka, S. Kuwahara, M. Yamashita K. Katayama
Anal. Sci., 2014, 30(5), 619-621.
103. "Molecular dynamics in azobenzene liquid crystal polymer films measured by time-resolved techniques"
T. Fujii, S. Kuwahara, K. Katayama, K. takado, T. Ube, T. Ikeda
Phys. Chem. Chem. Phys., 2014, 16, 10485-10490.
102. "Novel screening method of oxidation and reduction abilities for photocatalytic materials"
K. Katayama, Y. Takeda, K. Shimaoka, K. Yoshida, R. Shimizu, T. Ishiwata, A. Nakamura, S. Kuwahara, A. Mase, T. Sugita, M. Mori
Analyst, 2014, 139, 1953-1959.
102. "Novel screening method of oxidation and reduction abilities for photocatalytic materials"
K. Katayama, Y. Takeda, K. Shimaoka, K. Yoshida, R. Shimizu, T. Ishiwata, A. Nakamura, S. Kuwahara, A. Mase, T. Sugita, M. Mori
Analyst, 2014, 139, 1953-1959.
101. "Photoexcited carrier dynamics of double-layered CdS/CdSe quantum dot sensitized solar cells measured by heterodyne transient grating and transient absorption methods"
N. Osada, T. Oshima, S. Kuwahara, T. Toyoda, Q. Shen, and K. Katayama
Phys. Chem. Chem. Phys., 2014, 16(12), 5774-5778.
101. "Photoexcited carrier dynamics of double-layered CdS/CdSe quantum dot sensitized solar cells measured by heterodyne transient grating and transient absorption methods"
N. Osada, T. Oshima, S. Kuwahara, T. Toyoda, Q. Shen, and K. Katayama
Phys. Chem. Chem. Phys., 2014, 16(12), 5774-5778.
101. "Photoexcited carrier dynamics of double-layered CdS/CdSe quantum dot sensitized solar cells measured by heterodyne transient grating and transient absorption methods"
N. Osada, T. Oshima, S. Kuwahara, T. Toyoda, Q. Shen, and K. Katayama
Phys. Chem. Chem. Phys., 2014, 16(12), 5774-5778.
100. "マイクロ（スモール）スケール実験手法を用いた大学向け物理化学実験教育の開発"
桒原彰太、片山建二
化学と教育, 2014, 62(2), 94-97.