T. Moriyama, S. Muratsugu, M. Sato, K. Higuchi, Y. Takagi, M. Tada, "Pt2Gd Alloy Nanoparticles from Organometallic Pt and Gd Com-plexes and Hollow Mesoporous Carbon Spheres: Enhanced Oxy-gen Reduction Reaction Activity and Durability". J, Am. Chem. Soc. ,Accepted.
S. Shirai, S. Muratsugu, H. Matsui, K. Harada, M. Ehara, T. Nakai, M. Tada, " Circularly polarized luminescence induction on Tb(III) complex with tris(o-tert-butylaryloxide)-functionalized 1,4,7-triazacyclononane ligand coordinating chiral 1-phenylethylamine". Chem. Commun. 2024, 60, 14180-14183. [Selected as Front Cover] DOI: 10.1039/D4CC05191B
C. Chen, S. Ikemoto, G.-i. Yokota, K. Higuchi, S. Muratsugu and M. Tada, " Low-temperature Redox Activity and Alcohol Ammoxidation Performance on Cu- and Ru-incorporated Ceria Catalysts". Phys. Chem. Chem. Phys. 2024, 26, 17979-17990. [Selected as Front Cover and hot article] DOI: 10.1039/D4CP01432D
H. Matsui, T. Ohta, T. Nakamura, T. Uruga, and M. Tada, "In situ 3D X-ray imaging of water distribution in each layer of a membrane electrode assembly of a polymer electrolyte fuel cell". Phys. Chem. Chem. Phys. 2024, 26, 15115-15119. [Selected as Back Cover] DOI: 10.1039/D4CP00728J.
E. Yamada, H. Sakamoto, H. Matsui, T. Uruga, K. Sugimoto, M.-Q. Ha, H.-C. Dam, R. Matsuda, M. Tada, "Three-Dimensional Visualization of Adsorption Distribution in a Single Crystalline Particle of a Metal-Organic Framework", J. Am. Chem. Soc. 2024, 146, 13, 9181-9190. DOI: 10.1021/jacs.3c14778.
H. Matsui, A. Shoji, C. Chen, X. Zhao, T. Uruga, and Mizuki Tada, "Local Structures and Robust Oxygen Reduction Performances of TiN-Supported Bimetallic Pt-Cu Electrocatalysts for Fuel Cell" Catal. Sci. Technol. 2024, 14, 1501-1511. DOI: 10.1039/D3CY01438J.(Selected as Front Inside Cover)
P. Zatsepin, T. Moriyama, C. Chen, S. Muratsugu, M. Tada, M. Yamashita, "A Vanadium Alumanyl Complex: Synthesis, Characterization, Reactivity, and Application as a Catalyst for C-H Alumanylation of Alkenes" J. Am. Chem. Soc. 2024, 146, 5, 3492-3497 DOI: 10.26434/chemrxiv-2023-d1q75
S. Muratsugu, K. Sawaguchi, T. Shiraogawa, S. Chiba, Y. Sakata, S. Shirai, H. Baba, M. Ehara, S. Akine, M. Tada "Induced chirality at surface: Fixation of a dynamic M/P invertible helical Co3 complex on SiO2" Chem. Commun. Accepted. DOI: 10.1039/D3CC05534E3
S. Kurumada, R. Yamanashi, K. Sugita, K. Kubota, H. Ito, S. Ikemoto, C. Chen, T. Moriyama, S. Muratsugu, M. Tada, T. Koitaya, T. Ozaki, M. Yamashita “Mechanochemical Synthesis of Non-Solvated Dialkylalumanyl Anion and XPS Characterization of Al(I) and Al(II) Species” Chem. Eur. J. 2023, e202303073. DOI: 10.1002/chem.202303073
Hirosuke Matsui, Yuta Muramoto, Ryusei Niwa, Takashi Kakubo, Naoya Amino, Tomoya Uruga, Minh-Quyet Ha, Duy-Tai Dinh, Hieu-Chi Dam & Mizuki Tada "Machine learning-derived reaction statistics for 3D spectroimaging of copper sulfidation in heterogeneous rubber/brass composites" Communications Materials 4, 88 (2023) DOI:10.1038/s43246-023-00413-z
Nozomu Ishiguro, Hirosuke Matsui, Kouhei Wakamatsu, Youya Suzuki, Oki Sekizawa, Kiyofumi Nitta, Yasuko Terada, Tomoya Uruga and Mizuki Tada, "Oxidation and Phase Transfer of Individual Cr-Doped Dendritic FeOx Particles Visualized by Full-field Nano-XAFS Spectroimaging" Phys. Chem. Chem. Phys. 2023, 25, 17197. DOI: 10.1039/D3CP00907F.
H. Matsui, K. Sato, N. Isobe, G. Samjeske, T. Uruga, and M. Tada, "Spatial Imaging of Catalyst Poisoning with SO2 on Pt/C PEFC Electrocatalyst by Operando Pt LIII-edge XAFS-CT Imaging" Cat. Sci. Technol. 2023, 13, 4360-4366 DOI: 10.1039/D3CY00241A.
S. Ikemoto, S. Muratsugu, T. Koitaya, Y. Tsuji, M. Das, K. Yoshizawa, F. Glorius, M. Tada,
“Coordination-Induced Trigger for Activity: N-Heterocyclic Carbene-Decorated Ceria Catalysts Incorporating Cr and Rh with Activity Induction by Surface Adsorption Site Control”
J. Am. Chem. Soc. 2023, 145, 3, 1497-1504. DOI: 10.1021/jacs.2c07290.
H. Matsui, S. Takao, K. Higashi, T. Kaneko, G. Samjeske, T. Uruga, M. Tada, and Y. Iwasawa,
"Operando Imaging of Ce Radical Scavengers in a Practical Polymer Electrolyte Fuel Cell by 3D Fluorescence CT-XAFS and Depth-Profiling Nano-XAFS-SEM/EDS Techniques"
ACS Appl. Mater. Interfaces. , 2022, 14, 6762-6776. DOI: doi.org/10.1021/acsami.1c22336
H. Matsui, N. Ishiguro, Y. Tan, N. Maejima, Y. Muramoto, T. Uruga, K. Higashi, D.-N. Nguyen, H.-C. Dam, G. Samjeske, M. Tada,
"Variation of Local Structure and Reactivity of Pt/C Catalyst for Accelerated Degradation Test of Polymer Electrolyte Fuel Cell Visualized by Operando 3D CT-XAFS Imaging"
Chem. Nano. Mat. , 2022, online published. DOI: doi.org/10.1002/cnma.202200008
S. Ikemoto, S. Muratsugu, T. Koitaya, M. Tada
"Chromium Oxides as Structural Modulators of Rhodium Dispersion on Ceria to Generate Active Sites for NO Reduction" .
ACS Catal. , 2022, 12, 431-441. (Selected as Front Cover)
X.-K. Wan, G. Samjeske, H. Matsui, C. Chen, S. Muratsugu, M. Tada
“Ultrafine Pt-Ni Nanoparticles in Hollow Porous Carbon Spheres for Remarkable Oxygen Reduction Reaction Catalysis”.
Dalton Trans. , 2021, 50, 6811-6822. DOI: 10.1039/D1DT00647A.(selected as back cover)
http://c2winternational.nl/c2w-2021-issue-1/chemistry-in-japan/
H. Matsui, N. Ishiguro, Y. Suzuki, K. Wakamatsu, C. Yamada, K. Sato, N. Maejima, T. Uruga, and M. Tada "Reversible structural transformation and redox properties of Cr-loaded iron oxide dendrites studied by in situ XANES spectroscopy". Phys. Chem. Chem. Phys., 2020, 22, 28093-28099. DOI: 10.1039/D0CP04416D.
K. Ichihashi, S. Muratsugu, H. Matsui, K. Higashi, O. Sekizawa, T. Uruga, M. Tada "Oxygen Reduction Reaction Performance Tuning on Pt Nanoparticle/MWCNT Catalysts by Gd Species" J. Phys. Chem. C, 2020, 124, 49, 26925-26936. DOI: 10.1021/acs.jpcc.0c09308.
D. Moock, M. P. Wiesenfeldt, M. Freitag, S. Muratsugu, S. Ikemoto, R. Knitsch, J. Schneidewind, W. Baumann, A. H. Schafer, A. Timmer, M. Tada, M. R. Hansen, F. Glorius, “Mechanistic Understanding of the Heterogeneous, Rhodium-Cyclic(Alkyl)(Amino)Carbene-Catalyzed (Fluoro-)Arene Hydrogenation". ACS Catal., 2020, 10, 6309-6317. DOI: 10.1021/acscatal.0c01074.
S. Akiyama, S. Ikemoto, S. Muratsugu, M. Tada, M. Yamashita "Copper Complexes Bearing a Dianionic Diborane(4) Ligand: Synthesis and Evaluation of the Donor Property" Organometallics, 2020, 39, 500-514. DOI: 10.1021/acs.organomet.0c00027.
S. Muratsugu, S. Shirai, M. Tada "Recent Progress in Molecularly Imprinted Approach for Catalysis" Tetrahedron Lett., 2020, 61,151603. DOI: 10.1016/j.tetlet.2020.151603. (Invited Digest)
S. Ikemoto, X. Huang, S. Muratsugu, S. Nagase, T. Koitaya, H. Matsui, G. Yokota, T. Sudoh, A. Hashimoto, Y. Tan, S. Yamamoto, J. Tang, I. Matsuda, J. Yoshinobu, T. Yokoyama, S. Kusaka, R. Matsuda, and M. Tada “Reversible Low-Temperature Redox Activity and Selective Oxidation Catalysis Derived from Concerted Activation of Multiple Metal Species on Cr and Rh-Incorporated Ceria Catalysts” Phys. Chem. Chem. Phys., 31, 18844-18853 (2019). DOI:10.1039/C9CP04625A.
S. Morisako, S. Watanabe, S. Ikemoto, S. Muratsugu, M. Tada, and M. Yamashita “Synthesis of A Pincer-Ir(V) Complex with A Base-Free Alumanyl Ligand and Its Application toward Dehydrogenation of Alkanes” Angew. Chem. Int. Ed., 58, 15031-15035 (2019). DOI: 10.1002/anie.201909009
Y. Tan, H. Matsui, N. Ishiguro, T. Uruga, D. N. Nguyen, O. Sekizawa, T. Sakata, N. Maejima, K. Higashi, H. C. Dam, and M. Tada “PtCo/C Cathode Catalyst Degradation in a Polymer Electrolyte Fuel Cell Investigated by an Infographic Approach Combining Three-Dimensional Spectroimaging and Unsupervised Learning” J. Phys. Chem. C, 123, 31, 18844-18853 (2019).[Supplementary Cover of JPCC] DOI: 10.1021/acs.jpcc.9b05005
H. Matsui, N. Maejima, N. Ishiguro, Y. Tan, T. Uruga, O. Sekizawa, T. Sakata, and M. Tada “Operando XAFS Imaging of Distribution of Pt Cathode Catalysts in PEFC MEA” Chem. Rec. 19,1380-1392 (2019). [Invited personal accounts] DOI: 10.1002/tcr.201800123
M. Hirose, N. Ishiguro, K. Shimomura, D. N. Nguyen, H. Matsui, H. C. Dam, M. Tada, and Y. Takahashi “Oxygen-Diffusion-Driven Oxidation Behavior and Tracking Areas Visualized by X-ray Spectro-Ptychography with Unsupervised Learning” Commun. Chem. 2,50 (2019). DOI: 10.1038/s42004-019-0147-y
Y. Ohki, R. Hara, K. Munakata, M. Tada, T. Takayama, Y. Sakai, and R. Cramer “Synthesis of [Mo3S4] Clusters from Half-Sandwich Mo(V) Chlorides and Their Application as Platforms for [Mo3S4Fe] Cubes” Inorg. Chem. 58,5230-5240 (2019). DOI: 10.1021/acs.inorgchem.9b00309
K. Ichihashi, S. Muratsugu, S. Miyamoto, K. Sakamoto, N. Ishiguro, M. Tada "Enhanced Oxygen Reduction Reaction Performance of Size-controlled Pt Nanoparticles on Polypyrrole-Functionalized Carbon Nanotubes" Dalton Trans.,48, 7130 - 7137 (2019). [Inside Front Cover ] DOI: 10.1039/C9DT00158A
P. Tegeder, M. Freitag, K. M. Chepiga, S. Muratsugu, N. Moller, S. Lamping, M. Tada, F. Glorius, B. J. Ravoo
"N-Heterocyclic Carbene-Modified AuPd Alloy Nanoparticles and their Application as Biomimetic and Heterogeneous Catalysts"
Chem. Eur. J. , accepted
S. Ozawa, H. Matsui, N. Ishiguro, Y. Tan, N. Maejima, M. Taguchi, T. Uruga, O. Sekizawa, T. Sakata, K. Nagasawa, K. Higashi, and M. Tada
"Operando Time-Resolved XAFS Study for Pt Oxidation Kinetics on Pt/C and Pt3Co/C Cathode Catalysts by PEFC Voltage Operation Synchronized with Rapid O2 Exposure"
J. Phys. Chem. , in press. DOI: 10.1021/acs.jpcc.8b02541
S. Muratsugu, H. Baba, T. Tanimoto, K. Sawaguchi, S. Ikemoto, M. Tasaki, Y. Terao, M. Tada
“Chemoselective Epoxidation of Cholesterol Derivatives on a Surface-Designed Molecularly Imprinted Ru-Porphyrin Catalyst”
Chem. Commun. , 54, 5114-5117 (2018). DOI: 10.1039/C8CC00896E
S. Muratsugu, A. Yamaguchi, G.-i. Yokota, T. Maeno, M. Tada
“Tuning the Structure and Catalytic Activity of Ru Nanoparticle Catalysts by Single 3d Transition-metal Atoms in Ru12-Metalloporphyrin Precursors”
Chem. Commun. , 54, 4842-4845 (2018). DOI: 10.1039/C7CC09862F
N. Ishiguro and M. Tada
"Structural Kinetics of Cathode Events on Polymer Electrolyte Fuel Cell Catalysts Studied by Operando Time-resolved XAFS"
Topic. Catal. , in press.
M. Hirose, N. Ishiguro, K. Shimomura, D. Burdet, H. Matsui, M. Tada, Y. Takahashi
"Visualization of Heterogeneous Oxygen Storage Behavior in Platinum-Supported Cerium-Zirconium Oxide Three-Way Catalyst Particles by Hard X-ray Spectro-Ptychography"
Angew. Chem. Int. Ed. , 57, 1474 (2018). DOI: 10.1002/anie.201710798
Dr. Tan Yuanyuan (PD) awarded the RCS Energy & Environmental Science Poster Prize and Ms. Saki Ozawa (M1) awarded the RCS Physical Chemistry Chemical Physics (PCCP) Poster Prize.
S. Muratsugu, S. Miyamoto, K. Sakamoto, K. Ichihashi, C. K. Kim, N. Ishiguro, M. Tada
"Size Regulation and Stability Enhancement of Pt Nanoparticle Catalyst via Polypyrrole Functionalization of Carbon-Nanotube-Supported Pt Tetranuclear Complex"
Langmuir ,in press. DOI: 10.1021/acs.langmuir.7b02114
Y. Takagi, T. Nakamura, L. Yu, S. Chaveanghong, O. Sekizawa, T. Sakata, T. Uruga, M. Tada, Y. Iwasawa, and T. Yokoyama.
“X-ray Photoelectron Spectroscopy under Real Ambient Pressure Conditions”
Appl. Phys. Exp. , 10, 076603 (2017).
O. Sekizawa, T. Uruga, N. Ishiguro, H. Matsui, K. Higashi, T. Sakata, Y. Iwasawa, and M. Tada.
“In-situ X-ray Nano-CT System for Polymer Electrolyte Fuel Cells under Operating Conditions”
J. Phys: Conference Series , 849, 012022 (2017).
J. B. Ernst, C. Schwermann, G.-i. Yokota, M. Tada, S. Muratsugu, N. L. Doltsinis, F. Glorius
"Molecular Adsorbates Switch on Heterogeneous Catalysis: Induction of Reactivity by N-Heterocyclic Carbenes"
J. Am. Chem. Soc. , 139, 9144-9147 (2017). DOI: 10.1021/jacs.7b05112.
H. Matsui, N. Ishiguro, T. Uruga, O. Sekizawa, K. Higashi, N. Maejima, M. Tada
“Operando 3D Visualization of Migration and Degradation of Pt Cathode Catalyst in a Polymer Electrolyte Fuel Cell”
Angew. Chem. Int. Ed. , 56, 9371-9375(2007). DOI: 10.1002/anie.201703940
Y. Takagi, H. Wang, Y. Uemura, T. Nakamura, L. Yu, O. Sekizawa, T. Uruga, M. Tada, Y. Iwasawa, and T. Yokoyama
“In situ Study of Oxidation States of Platinum Nanoparticles on a Polymer Electrolyte Fuel Cell Electrode by Near Ambient
Pressure Hard X-ray Photoelectron Spectroscopy”
Phys. Chem. Chem. Phys. 19 , 6013-6021 (2017).
R. Araake, K. Sakadani, M. Tada, Y. Sakai, and Y. Ohki “[Fe4] and [Fe6] Hydride Clusters Supported by Phosphines: Synthesis, Characterization, and Application in N2 Reduction”
J. Am. Chem. Soc. 139 , 5596-5606 (2017)
S. Muratsugu, N. Maity, H. Baba, M. Tasaki, and M. Tada
“Preparation and Catalytic Performance of a Molecularly Imprinted Pd Complex Catalyst for Suzuki Cross-coupling Reactions”
Dalton Trans. , 3125-3134 (2017). (Inside cover).
Y. Ohki*, Y. Shimizu, R. Araake, M. Tada, W. M. C. Sameera, J. Ito, and H. Nishiyama,
“Co6H8(PiPr3)6: A Cobalt Octahedron with Face-Capping Hydrides”
Angew. Chem. Int. Ed. 55 , 15821-15825 (2016).
J. B. Ernst, S. Muratsugu, F. Wang, M. Tada, F. Glorius
“Tunable Heterogeneous Catalysis: N-Heterocyclic Carbenes as Ligands for Supported Heterogeneous Ru/K-Al2O3 Catalysts To Tune Reactivity and Selectivity"
J. Am. Chem. Soc. , 2016, 138 (34), 10718-10721.
(Collaborative research with the University of Munster Germany)
H. Matsui, N. Ishiguro, K. Enomoto, O. Sekizawa, T. Uruga, M. Tada
“Imaging of Oxygen Diffusion in Individual Platinum/Ce2Zr2Ox Catalyst Particles During Oxygen Storage and Release"
Angew. Chem. Int. Ed. , 2016, 55, 12022-12025.
N. Ishiguro, S. Kityakarn, O. Sekizawa, T. Uruga, H. Matsui, M. Taguchi, K. Nagasawa, T. Yokoyama, M. Tada
“Kinetics and Mechanism of Redox Processes of Pt/C and Pt3Co/C Cathode Electrocatalysts in a Polymer Electrolyte Fuel Cell During an Accelerated Durability Test"
J. Phys. Chem. C , 2016, 120 (35), 19642-19651.
S. Muratsugu, S. Kityakarn, F. Wang, N. Ishiguro, T. Kamachi, K. Yoshizawa, O. Sekizawa, T. Uruga, M. Tada
“Formation and Nitrile Hydrogenation Performance of Ru Nanoparticles on a K-doped Al2O3 Surface"
Phys. Chem. Chem. Phys. 17, 24791-24802 (2015)
N. Ishiguro, S. Kityakarn, O. Sekizawa, T. Uruga, T. Sasabe, K. Nagasawa, T. Yokoyama, and M. Tada,
“Rate Enhancements in Structural Transformations of Pt-Co and Pt-Ni Bimetallic Cathode Catalysts in Polymer Electrolyte Fuel Cells Studied by in situ Time-Resolved X-ray Absorption Fine Structure"
J. Phys Chem. C 118, 15874-15883 (2014)
S. Muratsugu, S. Tajima, and M. Tada,
“Dispersed RhMo Nanoclusters Prepared from Oxide-Supported Rh2Mo Heterometallic Complexes as Catalysts for Selective Alcohol Oxidation”
Chem. Lett. 43, 1321-1323 (2014).