S. Yamamoto, Y. Takagi, T. Koitaya, R. Toyoshima, M. Horio, I. Matsuda, H. Kondoh, T. Yokoyama, and J. Yoshinobu
Materials Science Research by Ambient Pressure X-Ray Photoelectron Spectroscopy Systems at Synchrotron Radiation Facilities in Japan: Applications in Energy, Catalysis, and Sensors Synchrotron Radiation News, in press (2022).
J. Chen, J. Kawai, K. Ozawa, R. Toyoshima, K. Tomishige, and H. Kondoh
Substrate Effect of Ir and Rh on Surface ReOx Species under a Hydrogen Atmosphere Studied by NAP-XPS J. Phys. Chem. C, in press (2022).
Y. Saito, S. Uemura, T. Kagiyama, R. Toyoshima
“XPS and HAXPES analyses for pre-sputtered InP surface and InP/Pt interface” Jpn. J. Appl. Phys., 61, 031005 (2022).
H. Shimizu, R. Toyoshima, K. Isegawa, K. Mase, J. Nakamura, H. Kondoh
“A newly designed compact CEY-XAFS cell in the soft X-ray region and its application to surface XAFS measurements under ambient-pressure conditions without photoinduced side effects” Phys. Chem. Chem. Phys., 24, 2988-2996 (2022).
N. Shirahata, R. Toyoshima, M. Yoshida, K. Ueda, K. Mase, B. S. Mun and H.Kondoh
“Ligand effects on surface oxide at RhPd(100) alloy surfaces: A density functional theory calculation study” Surf. Sci., 716, 121958 (2022). (Front cover page)
R. Toyoshima, K. Amemiya, K. Mase and H.Kondoh
“Hindrance to the Oxidation of Pd–Au Alloy Surfaces Depending on the Atomic Configuration: An AP-XPS Study” Photon Factory Highlights, 26-27 (2021).
T. Miura, S. Tsunekawa, S. Onishi, T. Ina, K. Wang, G. Watanabe, C. Hu, H. Kondoh, T. Kawai and M. Yoshida
“ Assessing Nickel Oxide Electrocatalysts Incorporating Diamines and Having Improved Oxygen Evolution Activity Using Operando UV/visible and X-ray Absorption Spectroscopy” Phys. Chem. Chem. Phys., 23, 23280 (2021).
Kazuhisa Isegawa, Kohei Ueda, Kenta Amemiya, Kazuhiko Mase, and Hiroshi Kondoh
“ Formation and Behavior of Carbonates on Ag(110) under the Presence of Ethylene and Oxygen” J. Phys. Chem. C, 125, 9032-9037 (2021).
R. Toyoshima, K. Ueda, Y. Koda, H. Kodama, H. Sumida, K. Mase, and H. Kondoh
“In situ AP-XPS study on reduction of oxidized Rh catalysts under CO exposure and catalytic reaction”, J. Phys. D: Appl. Phys., 54, 204005 (2021)
R. Toyoshima, J. Kawai, K. Isegawa, H. Kondoh, A. Junkaew, A. Nakayama, T. Asano, M. Tamura, Y. Nakagawa, M. Yabushita, and K. Tomishige
“Detailed Characterization of MoOx‑Modified Rh Metal Particles by Ambient-Pressure XPS and DFT Calculations”, J. Phys. Chem. C, 125, 4540-4549 (2021).
R. Toyoshima, S. Murakami, S. Eguchi, K. Amemiya, K. Mase, H. Kondoh
"Initial oxidation of GaAs(100) under near-realistic environments revealed by in situ AP-XPS" Chem. Commun., 56, 14905-14908 (2020).
R. Toyoshima, K. Amemiya, K. Mase, H. Kondoh
"Orientation-Dependent Hindrance to the Oxidation of Pd-Au Alloy Surfaces" J. Phys. Chem. Lett., 11, 9249-9254 (2020).
J. Kim, H. Ha, W. H. Doh, K. Ueda, K. Mase, H. Kondoh, B. Mun, H. Y. Kim, J. Park
"How Rh surface breaks CO2 molecules under ambient pressure" Nature Commun., 11, 5649 (2020).
S. Tsunekawa, F. Yamamoto, K. Wang, M. Nagasaka, H. Yuzawa, S. Takakusagi, H. Kondoh, K. Asakura, T. Kawai, M. Yoshida
"Operando Observations of a Manganese Oxide Electrocatalyst for Water Oxidation Using Hard/Tender/Soft X-ray Absorption Spectroscopy" J. Phys. Chem. C, 124, 23611-23618 (2020).
R. Toyoshima, T. Tanaka, T. Kato, K. Uchida, H. Kondoh
"In situ AP-XPS analysis of a Pt thin-film sensor for high-sensitive H2 detection" Chem. Commun., 56, 10147-10150 (2020).
K. Yamada, T. Hiue, T. Ina, K. Wang, H. Kondoh, Y. Sakata, Y. Lee, L. Kawai, M. Yoshida,
"Improvement in Cobalt Phosphate Electrocatalyst Activity toward Oxygen Evolution from Water by Glycine Molecule Addition and Functional Details" Analytical sciences : the international journal of the Japan Society for Analytical Chemistry., 36, 35-40 (2020).
J. Kim, W. H. Doh, H. Kondoh, K. Mase, J. J. Gallet, F. Bournel, B. S. Mun, J. Y. Park,
“Operando observations of reactive metal–Oxide structure formation on the Pt3Ni(111)surface at near-ambient pressure” , J. Elec. Spectrosc. Relat. Phenom., 238, 146857 (2020).
Y. Jing, Z. Cai, C. Liu, T. Toyao, Z. Maeno, H. Asakura, S. Hiwasa, S. Nagaoka, H. Kondoh, K. Shimizu,
“Promotional Effect of la in the Three-Way Catalysis of La-Loaded Al2O3-Supported Pd Catalysts (Pd/La/Al2O3)”, ACS Catalysis, 10, 1010-1023 (2020).
K. Yu, D. Kim, H. Lim, G. Kim, Y. E. Koh, D. Kim, K. Ueda, S. Hiwasa, K. Mase, F. Bournel, J. J. Gallet, F. Rochet, E. J. Crumlin, P. N. Ross, H. Kondoh, D. Y. Noh, B. S. Mun
“Operando study of Pd(100) surface during CO oxidation using ambient pressure x-ray photoemission spectroscopy”, AIP Advances. 9, 015314 (2019).
T. A. Ivandini, T. Watanabe, T. Matsui, Y. Ootani, S. Iizuka, R. Toyoshima, H. Kodama, H. Kondoh, Y. Tateyama, Y. Einaga.
”Influence of Surface Orientation on Electrochemical Properties of Boron-Doped Diamond”, J. Phys. Chem. C. 123, 5336-5344 (2019).
H. Ikeda, Y. Koike, K. Shiratori, K. Ueda, N. Shirahata, K. Isegawa, R. Toyoshima, S. Masuda, K. Mase,T. Nito, H. Kondoh,
"Adsorption state of NO on Ir(111) surfaces under excess O2 coexisting condition", Surf. Sci., 685, 1-6 (2019).
K. Isegawa, K. Ueda, S. Hiwasa, K. Amemiya, K. Mase, H. Kondoh,
"Formation of carbonate on Ag(111) under exposing to ethylene and oxygen gases evidenced by near ambient pressure XPS and NEXAFS" Chem. Lett., 48, 159-162 (2019).
K. Isegawa, D. Kim, H. Kondoh,
"Chemical state changes of Nafion in model polymer electrolyte fuel cell under oxygen/hydrogen gas atmosphere observed by S-K XANES spectroscopy", RSC Advances, 8, 38204-38209 (2018).
K. Ueda, K. Isegawa, K. Amemiya, K. Mase, H. Kondoh,
"Operando NAP-XPS Observation and Kinetics Analysis of NO Reduction over Rh(111) Surface: Characterization of Active Surface and Reactive Species" , ACS Catalysis, 8, 11663-11670 (2018).
H. Kondoh, R. Toyoshima, N. Shirahata, A. Hoda, M., Yoshida, K. Amemiya, K. Mase, and B. S. Mun,
"Element Selective Oxidation on Rh−Pd Bimetallic Alloy Surfaces", Phys. Chem. Chem. Phys., 20, 28419-28424 (2018). selected as Hot Article
B. Jeong, H. Jeon, R. Toyoshima, E. J. Crumlin, H. Kondoh, B. S. Mun, J. Lee,
“Dehydration Pathway for the Dissociation of Gas-Phase Formic Acid on Pt(111) Surface Observed via Ambient Pressure XPS" J. Phys. Chem. C, 122, 2064-2069 (2018).
J. Kim, W.-H. Park, W.-H. Doh, S.-W. Lee, M.-C. Noh, J.-J. Gallet, F. Bournel, H. Kondoh, K. Mase, Y. Jung, B. S. Mun, J.-Y. Park,
"Adsorbate-driven reactive interfacial Pt-NiO1−x nanostructure formation on the Pt3Ni(111) alloy surface" Science Advances, 4, eaat3115 (2018).
M. Yoshida,*,† S. Onishi,† Y. Mitsutomi, F. Yamamoto, M. Nagasaka, H. Yuzawa, N. Kosugi and H. Kondoh,
“Integration of Active Nickel Oxide Clusters by Amino Acids for Water Oxidation”, J. Phys. Chem. C, 121, 255-260 (2017). †Both authors contributed equally.
K. Ueda, M. Yoshida, K. Isegawa, N. Shirahata, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh,
“Operando Observation of NO Reduction by CO on Ir(111) Surface Using NAP-XPS and Mass Spectrometry: Dominant Reaction Pathway to N2 Formation under Near Realistic Conditions”, J. Phys. Chem. C, 121, 1763-1769 (2017).
Y. S. Yu, Y. B. Koh, H. J. Lim, B. K. Jeong, D. H. Kim, K. Isegawa, K. Ueda, K. Mase, H. Kondoh, C. H. Jeon, E. Crumlin, P. N. Ross Jr., B. S. Mun,
“Chemical states of surface oxygen during CO oxidation on Pt(110) surface revealed by ambient pressure XPS”, J. Phys.: Condens. Matter, 29, 464001 (6 pages) (2017).
R. Toyoshima, N. Hiramatsu, M. Yoshida, K. Amemiya, K. Mase, B. S. Mun, H. Kondoh,
“Catalytic CO oxidation over Pd70Au30(111) alloy surface: spectroscopic evidence for Pd ensemble dependent activity”, Chem. Commun., 53, 12657-12660 (2017).
N. Johansson, M. Andersen, Y. Monya, J. Andersen, H. Kondoh, J. Schnadt, J. Knudsen,
“Ambient pressure phase transitions over Ir(111): At the onset of CO oxidation”, J. Phys.: Condens. Matter, 29, 444002 (10 pages) (2017).
H. Kondoh*, R. Toyoshima, Y. Monya, M. Yoshida, K. Mase, K. Amemiya and B. S. Mun,
“In-situ Analysis of Catalytically active Pd surfaces for CO Oxidation with Near Ambient Pressure XPS”, Catal. Today, 260, 14-20 (2016).
H. C. Lee, B. M. Kim, C. K. Jeong, R. Toyoshima, H. Kondoh, T. Shimada, K. Mase, B. Mao, Z. Liu, H. G. Lee, C.-Q. Huang, W. X. Li*, P. N. Ross and B. S. Mun*,
“Surface Segregation and Oxidation of PtNi(111) Alloys under Oxygen Enviroment”, Catal. Today, 260, 3-7 (2016).
M. A. Languille, E. Ehret, H. C. Lee, C. K. Jeong, R. Toyoshima, H. Kondoh, K. Mase, Y. Jugnet, J. C. Bertolini, F. J. C. S. Aires* and B. S. Mun*,
“In-situ Surface Analysis of AuPd(110) under Elevated Pressure of CO”, Catal. Today, 260, 39-45 (2016).
R. Toyoshima, N. Hiramatsu, M. Yoshida, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh*,
“CO Adsorption on Pd-Au Alloy Surface: Reversible Adsorption Site Switching Induced by High-Pressure CO”, J. Phys. Chem. C, 120, 416-421 (2016).
M. Yoshida,*,† T. Mineo,† Y. Mitsutomi, F. Yamamoto, H. Kurosu, S. Takakusagi, K. Asakura and H. Kondoh,
“Structural Relationship between CoO6 Cluster and Phosphate Species in a Cobalt-Phosphate Water Oxidation Catalyst Investigated by Co and P K-edge XAFS”, Chem. Lett., 45, 277-279 (2016). †Both authors contributed equally.
K. Ueda, K. Suzuki, R. Toyoshima, Y. Monya, M. Yoshida, K. Isegawa, K. Amemiya, K. Mase, B. S. Mun, M. A. Arman, E. Granas, J. Knudsen, J. Schnadt and H. Kondoh*,
“Adsorption and Reaction of CO and NO on Ir(111) under Near Ambient Pressure Conditions”, Topics in Catal., 59, 487-496 (2016).
H. Kurosu, M. Yoshida*, Y. Mitsutomi, S. Onishi, H. Abe and H. Kondoh,
“In Situ Observations of Oxygen Evolution Cocatalysts on Photoelectrodes by X-ray Absorption Spectroscopy: Comparison between Cobalt-Phosphate and Cobalt-Borate”, Electrochemistry, 84, 779-783 (2016).
H. Abe, T. Nakayama, Y. Niwa, H. Nitani, H. Kondoh and M. Nomura,
“Observation of surface reduction of NiO to Ni by surface-sensitive total reflection X-ray spectroscopy using Kramers-Kronig relations”, Jpn. J. Appl. Phys., 55, 062401 (2016).
K. Isegawa, T. Nagami, S. Jomori, M. Yoshida and H. Kondoh*,
“In-situ S-K XANES study on polymer electrolyte fuel cell: Changes in chemical state of sulfonic group depending on humidity”, Phys. Chem. Chem. Phys., 18, 25183-25190 (2016).
R. Toyoshima, M. Yoshida, Y. Monoya, K. Suzuki, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh*,
“High-Pressure NO Induced Mixed Phase on Rh(111): Chemically-Driven Replacement”, J. Phys. Chem. C, 119, 3033-3039 (2015).
R. Toyoshima and H. Kondoh*,
“In-situ Observations of Catalytic Surface Reactions with Soft X-rays under Working Conditions”, J. Phys.: Condens. Matter, 27, 083003 (2015).
M. Yoshida*, Y. Mitsutomi, T. Mineo, M. Nagasaka, H. Yuzawa, N. Kosugi and H. Kondoh,
“Direct Observation of Active Nickel Oxide Cluster in Nickel-Borate Electrocatalyst for Water Oxidation by In Situ O K-edge X-ray Absorption Spectroscopy”, J. Phys. Chem. C, 119, 19279-19286 (2015).
M. Yoshida*, T. Iida, T. Mineo, T. Yomogida, K. Nitta, K. Kato, H. Nitani, H. Abe, T. Uruga and H. Kondoh,
“Electrochromic Characteristics of a Nickel Borate Thin Film Investigated by In Situ XAFS and UV/vis Spectroscopy”, Electrochemistry, 82, 355-358 (2014).
M. Yoshida*, N. Gon, S. Maeda, T. Mineo, K. Nitta, K. Kato, H. Nitani, H. Abe, T. Uruga and H. Kondoh,
“In situ XAFS Study of the Photo-induced Potential Shift of a MnOx Cocatalyst on a SrTiO3Photocatalyst”, Chem. Lett., 43, 1725-1727 (2014).
M. Yoshida and H. Kondoh*,
“In-situ observation of model catalysts under reaction conditions using x-ray core-level spectroscopy”, Chem. Rec., 14, 806-818 (2014).
H. Kondoh*, Y. Higashi, M. Yoshida, Y. Monya, R. Toyoshima, K. Mase, K. Amemiya, F. Tsukioka, M. Nagasaka, Y. Iwasawa, H. Orita, K. Mukai and J. Yoshinobu,
“Structure and Photo-Induced Charge Transfer of Pyridine Molecules Adsorbed on TiO2(110): A NEXAFS and Core-Hole-Clock Study”, Electrochemistry, 82, 341-345 (2014).
R. Toyoshima, M. Shimura, M. Yoshida, Y. Monya, K. Suzuki, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh*,
“A near-ambient-pressure XPS study on catalytic CO oxidation reaction over a Ru(10-10) surface.”, Surf. Sci., 621, 128-132 (2014).
M. Yoshida*, T. Yomogida, T. Mineo, K. Nitta, K. Kato, T. Masuda, H. Nitani, H. Abe, S. Takakusagi, T. Uruga, K. Asakura, K. Uosaki and H. Kondoh,
“Photoexcited Hole Transfer to a MnOx Cocatalyst on a SrTiO3 Photoelectrode During Oxygen Evolution Studied by in situ X-ray Absorption Spectroscopy”, J. Phys. Chem. C, 118, 24302-24309 (2014).
R. Toyoshima, M. Yoshida, Y. Monya, K. Suzuki, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh*,
“High-pressure-induced dense CO overlayer on Pt(111) surface: A chemical analysis with in-situ near ambient pressure XPS”, Phys. Chem. Chem. Phys., 16, 23564-23567 (2014).
R. Toyoshima, M. Yoshida, Y. Monya, K. Suzuki, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh*,
“Photoelectron spectroscopic study of CO and NO adsorption on Pd(100) surface under ambient pressure conditions”, Surf. Sci., 615, 33-40 (2013).
M. Yoshida, K. Maeda, D. Lu, J. Kubota and K. Domen*,
“Lanthanoid Oxide Layers on Rhodium-Loaded (Ga1-xZnx)(N1-xOx) Photocatalyst as a Modifier for Overall Water Splitting under Visible-Light Irradiation”, J. Phys. Chem. C, 117, 14000 (2013).
M. Yoshida*, T. Yomogida, T. Mineo, K. Nitta, K. Kato, T. Masuda, H. Nitani, H. Abe, S. Takakusagi, T. Uruga, K. Asakura, K. Uosaki and H. Kondoh*,
“In situ observation of carrier transfer in the Mn-oxide/Nb:SrTiO3 photoelectrode by X-ray absorption spectroscopy”, Chem. Commun., 49, 7848 (2013).
R. Toyoshima, M. Yoshida, Y. Monya, K. Suzuki, K. Amemiya, K. Mase, B. S. Mun and H. Kondoh*,
“In-Situ Photoemission Observation of Catalytic CO Oxidation Reaction on Pd(110) under Near-Ambient-Pressure Conditions: Evidence for the Langmuir-Hinshelwood Mechanism”, J. Phys. Chem. C, 117, 20617 (2013).
B. S. Mun, H. Kondoh, Z. Liu, Phil N. Ross Jr. and Z. Hussain,
“The Development of Ambient Pressure X-Ray Photoelectron Spectroscopy and Its Application to Surface Science”,
Chapter 9 in Current Trends of Surface Science and Catalysis Ed. J. Y. Park (Springer, New York, 2013).
M. Ogawa, S. Yamamoto, Y. Kousa, F. Nakamura, R. Yukawa, A. Fukushima, A. Harasawa, H. Kondoh, Y. Tanaka, A. Kakizaki and I. Matsuda*,
“Development of soft X-ray time-resolved photoemission spectroscopy system with a two-dimensional angle-resolved time-of-flight analyzer at SPring-8 BL07LSU”, Rev. Sci. Instrum., 83, 023109 (2012).
R. Toyoshima, M. Yoshida, Y. Monya, K. Suzuki, H. Abe, B. S. Mun, K. Mase, K. Amemiya and H. Kondoh*,
“In situ Ambient Pressure XPS Study of CO Oxidation Reaction on Pd(111) Surfaces” J. Phys. Chem. C., 116, 18691 (2012).
K. Amemiya*, M. Sakamaki, S. Nakamoto, M. Yoshida, K. Suzuki, H. Kondoh, T. Koide, K. Ito, K. Tsuchiya, K. Harada, H. Sasaki, T. Aoto, T. Shioya, T. Obina, S. Yamamoto and Y. Kobayashi,
“Molecular orientation change during adsorption of NO and N2O on Ir(111) observed by real-time wavelength-dispersive x-ray absorption spectroscopy with polarization switching”, Appl. Phys. Lett., 101, 161601 (2012).
R. Toyoshima, M. Yoshida, Y. Monya, K. Suzuki, B. S. Mun, K. Amemiya, K. Mase and H. Kondoh*,
“Active Surface Oxygen for Catalytic CO Oxidation on Pd(100) Proceeding under Near Ambient Pressure Conditions”, J. Phys. Chem. Lett., 3, 3182 (2012).
F. Nakamura, Y. Kousa, A. A. Taskin, Y. Takeichi, A. Nishide, A. Kakizaki, M. D’Angelo, P. Lefevre, F. Bertran, A. Taleb-Ibrahimi, F. Komori, S. Kimura, H. Kondoh, Y. Ando and I. Matsuda*,
“Topological transition in Bi1-xSbx studied as a function of Sb doping”, Phys. Rev. B, 84, 235308 (2011).
A. Yamakata*, M. Yoshida, J. Kubota, M. Osawa and K. Domen,
“Potential-dependent Recombination Kinetics of Photogenerated Electrons in n-type and p-type GaN Photoelectrodes Studied by Time-resolved IR Absorption Spectroscopy”, J. Am. Chem. Soc., 133, 11351-11357 (2011).
K. Amemiya*, Y. Kousa, S. Nakamoto, T. Harada, S. Kozai, M. Yoshida, H. Abe, R. Sumii, M. Sakamaki and H. Kondoh,
“Real-time observation of CO oxidation reaction on Ir(111) surface at 33 ms resolution by means of wavelength-dispersive near-edge x-ray absorption fine structure spectroscopy”, Appl. Phys. Lett., 99, 074104 (2011).
M. Nagasaka, H. Kondoh*, K. Amemiya, I. Nakai, T. Shimada, R. Yokota and T. Ohta,
“Mechanism of Ammonia Formation on Rh(111) Studied by Dispersive Near-Edge X-ray Absorption Fine Structure Spectroscopy”, J. Phys. Chem. C., 114, 2164-2170 (2010).
T. Shimada, B. Mun, I. Nakai, A. Banno, H. Abe, T. Ohta, Y. Iwasawa and H. Kondoh*,
“Irreversible Change in the NO Adsorption State On Pt(111) Under High-Pressure Studied By AP-XPS, NEXAFS and STM”, J. Phys. Chem. C., 114, 17030-17035 (2010).
M. Yoshida, T. Hirai, K. Maeda, N. Saito, J. Kubota, H. Kobayashi, Y. Inoue and K. Domen*,
“Photoluminescence Spectroscopic and Computational Investigation of the Origin of the Visible Light Response of (Ga1-xZnx)(N1-xOx) Photocatalyst for Overall Water Splitting”, J. Phys. Chem. C., 114, 15510-15515 (2010).
“The Development of Ambient Pressure X-Ray Photoelectron Spectroscopy and Its Application to Surface Science”
Chapter 9 in “Current Trends of Surface Science and Catalysis” Ed. J. Y. Park (Springer, New-York, 2014).