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/D3CC05534E.
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
ゴムと金属の接着老化に関わる反応の可視化に成功(プレスリリース)
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" ChemNanoMat. , 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. 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. 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. 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
"オペランドXAFS解析を利用したPEFC電極触媒の高活性・高耐久材料の探索"
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
対象となった研究業績は、「OperandoイメージングXAFS法の開発と実固体触媒材料の可視化 」で、化学状態の2次元及び3次元可視化の観点から実用触媒材料が抱える諸問題を解決する糸口となる構造化学的知見を世界に先駆けて明らかにしたことが高く評価され今回の受賞となりました。
日本放射光学会では、放射光科学分野において優れた研究成果をあげた若手研究者の功績を称え、且つ、今後の更なる活躍を奨励するために、毎年3名未満の若手研究者(35歳未満)を選考し、年会にて表彰しています。
本賞は、35才以下の若手研究者に対し、革新性と独創性の高い、かつ化学や技術の進歩、発展に役立つ研究開発を表彰するものです。 本年度は、先端計測、環境・エネルギーの2分野に対して募集が行われました。
Dr. Tan Yuanyuan (PD)がRCS Energy & Environmental Scienceポスター賞を、小澤沙記 (M1)がRCS Physical Chemistry Chemical Physics (PCCP) ポスター賞を受賞しました。
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).
Y. Ohki, Y. Araki, M. Tada, and Y. Sakai
“Synthesis and Characterization of Bioinspired [Mo2Fe2]-Hydride Cluster Complexes and Their Application in the Catalytic Silylation of N2”
Chem. Eur. J. , 23, 13240-13248 (2017). DOI: 10.1002/chem.201702925
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.
(ドイツMunster大学との共同研究)
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).
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よろしくお願い致します。