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Rare-Metal-Free Redox-Mediated Zn-Air Rechargeable Battery (ReZARB): A Redox-Mediated Approach for Reducing Charging Overpotentials
Kosuke Ishibashi, Yutaro Hirai, Hiroshi Yabu
CHEMELECTROCHEM 13 (12) 2026/06/12
DOI：
10.1002/celc.70246
ISSN：
2196-0216
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Electronic modulation of iron phthalocyanine molecular catalysts via cyano-substitution for oxygen reduction reaction activity
Kosuke Ishibashi, Yutaro Hirai, Noriko Haiya, Tsukasa Ichikawa, Nobukatsu Nemoto, Yasutaka Matsuo, Takayuki Morishima, Syeda Anmol Rida, Jun Nakamura, Shimpei Ono, Hiroshi Yabu
CHEMICAL COMMUNICATIONS 2026/06/11
DOI：
10.1039/d6cc02603f
ISSN：
1359-7345
eISSN：
1364-548X
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Toward Activity Prediction: Unveiling the Role of Intra/Intermolecular Balance in Fe-N-C Catalysts for Hydrogen Evolution
Tengyi Liu, Xiaofan Hou, Kosuke Ishibashi, Yutaro Hirai, Shimpei Ono, Hiroshi Yabu
ADVANCED SYNTHESIS & CATALYSIS 368 (9) 2026/05/05
DOI：
10.1002/adsc.70464
ISSN：
1615-4150
eISSN：
1615-4169
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Water-Activated Metal-Air Paper Batteries: Toward Realizing Safe, Sustainable, and High-Performance Wearable Sensing and Emergency Power Sources
Kosuke Ishibashi, Yutaro Hirai, Xiaofan Hou, Tengyi Liu, Hiroshi Yabu
ACS APPLIED ELECTRONIC MATERIALS 8 (7) 2703-2713 2026/04/14
DOI：
10.1021/acsaelm.5c02700
eISSN：
2637-6113
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Strategically Advancing Semiconducting Phthalocyanines as High-Performance Electrocatalysts for Electrochemical CO2 Reduction
Tengyi Liu, Xiaofan Hou, Di Zhang, Yutaro Hirai, Kosuke Ishibashi, Yasutaka Matsuo, Shimpei Ono, Hao Li, Hiroshi Yabu
ACS APPLIED ELECTRONIC MATERIALS 8 (6) 2187-2197 2026/03/24
DOI：
10.1021/acsaelm.5c02719
eISSN：
2637-6113
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Breaking the single-molecule paradigm: Multilayer cobalt phthalocyanine/carbon core-shell structure as the superior active unit for CO2-to-CO electroreduction
Tengyi Liu, Di Zhang, Yue Chu, Keitaro Ohashi, Yutaro Hirai, Koju Ito, Kosuke Ishibashi, Yasutaka Matsuo, Junya Yoshida, Shimpei Ono, Kazuhide Kamiya, Hao Li, Hiroshi Yabu
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY 381 2026/02
DOI：
10.1016/j.apcatb.2025.125852
ISSN：
0926-3373
eISSN：
1873-3883
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Ampere-Level Electrosynthesis of CO via Well-Defined Pyridinic-N Incorporated Cobalt Phthalocyanine
Tengyi Liu, Xiaofan Hou, Di Zhang, Yutaro Hirai, Kosuke Ishibashi, Yasutaka Matsuo, Junya Yoshida, Shimpei Ono, Hao Li, Hiroshi Yabu
SMALL 21 (47) 2025/11/01
DOI：
10.1002/smll.202507824
ISSN：
1613-6810
eISSN：
1613-6829
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A Regenerative Redox-Mediated Electrolysis System (RReMES) for Efficient Reduction of Water Electrolysis Overpotentials
Yutaro Hirai, Kosuke Ishibashi, Hiroshi Yabu
ADVANCED SUSTAINABLE SYSTEMS 9 (9) 2025/09/01
DOI：
10.1002/adsu.202500668
ISSN：
2366-7486
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Surface Charge Transfer Enhanced Cobalt-Phthalocyanine Crystals for Efficient CO2-to-CO Electroreduction with Large Current Density Exceeding 1000 mA cm-2
Tengyi Liu, Di Zhang, Yutaro Hirai, Koju Ito, Kosuke Ishibashi, Naoto Todoroki, Yasutaka Matsuo, Junya Yoshida, Shimpei Ono, Hao Li, Hiroshi Yabu
ADVANCED SCIENCE 12 (23) 2025/06
DOI：
10.1002/advs.202501459
eISSN：
2198-3844
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A Molecular Adsorption Concept for Increasing Energy Density of Hybrid Supercapacitors
Kosuke Ishibashi, Yutaro Hirai, Keisuke Oku, Koju Ito, Hiroshi Yabu
ACS APPLIED MATERIALS & INTERFACES 16 (26) 34393-34401 2024/06/20
DOI：
10.1021/acsami.4c06084
ISSN：
1944-8244
eISSN：
1944-8252
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Rare-metal-free hydrogen evolution reaction electrocatalysts based on metal azaphthalocyanine molecular layer for anion exchange membrane water electrolysis
Yutaro Hirai, Kosuke Ishibashi, Keisuke Oku, Koju Ito, Hiroshi Yabu
DISCOVER CHEMICAL ENGINEERING 4 (1) 2024/06/19
DOI：
10.1007/s43938-024-00050-z
eISSN：
2730-7700
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Controlling the Formation of Polyhedral Block Copolymer Nanoparticles: Insights from Process Variables and Dynamic Modeling
Edgar Avalos, Takashi Teramoto, Yutaro Hirai, Hiroshi Yabu, Yasumasa Nishiura
ACS OMEGA 9 (15) 17276-17288 2024/04/16
DOI：
10.1021/acsomega.3c10302
ISSN：
2470-1343
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Benchmarking pH-field coupled microkinetic modeling against oxygen reduction in large-scale Fe-azaphthalocyanine catalysts
Di Zhang, Yutaro Hirai, Koki Nakamura, Koju Ito, Yasutaka Matsuo, Kosuke Ishibashi, Yusuke Hashimoto, Hiroshi Yabu, Hao Li
CHEMICAL SCIENCE 15 (14) 2024/04/03
DOI：
10.1039/d4sc00473f
ISSN：
2041-6520
eISSN：
2041-6539
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Designing "Metamolecules" for Photonic Function: Reduced Backscattering
Tian-Song Deng, John Parker, Yutaro Hirai, Nolan Shepherd, Hiroshi Yabu, Norbert F. Scherer
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 257 (12) 2020/12
DOI：
10.1002/pssb.202000169
ISSN：
0370-1972
eISSN：
1521-3951
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Fe azaphthalocyanine unimolecular layers (Fe AzULs) on carbon nanotubes for realizing highly active oxygen reduction reaction (ORR) catalytic electrodes
Hiroya Abe, Yutaro Hirai, Susumu Ikeda, Yasutaka Matsuo, Haruyuki Matsuyama, Jun Nakamura, Tomokazu Matsue, Hiroshi Yabu
NPG ASIA MATERIALS 11 2019/10/18
DOI：
10.1038/s41427-019-0154-6
ISSN：
1884-4049
eISSN：
1884-4057
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Ashura Particles: Experimental and Theoretical Approaches for Creating Phase-Separated Structures of Ternary Blended Polymers in Three-Dimensionally Confined Spaces
Yutaro Hirai, Edgar Avalos, Takashi Teramoto, Yasumasa Nishiura, Hiroshi Yabu
ACS OMEGA 4 (8) 13106-13113 2019/08
DOI：
10.1021/acsomega.9b00991
ISSN：
2470-1343
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Self-assembled microrings of Au nanoparticle and Au nanorod clusters formed at the equators of Janus particles
Yutaro Hirai, Hiroshi Yabu
RSC ADVANCES 9 (30) 17183-17186 2019/06/03
DOI：
10.1039/c9ra02767j
ISSN：
2046-2069
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Preparation of Hierarchic Porous Films of α-MnO2 Nanoparticles by Using the Breath Figure Technique and Application for Hybrid Capacitor Electrodes
Nobuhiro Shimamura, Ryuji Kanda, Yuma Matsukubo, Yutaro Hirai, Hiroya Abe, Yuji Hirai, Tsukasa Yoshida, Hiroshi Yabu, Akito Masuhara
ACS OMEGA 4 (2) 3827-3831 2019/02
DOI：
10.1021/acsomega.8b03381
ISSN：
2470-1343
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Enhanced Fluorescence Emission and Magnetic Alignment Control of Biphasic Functionalized Composite Janus Particles
Naonari Sakamoto, Yutaro Hirai, Tsunenobu Onodera, Takuma Dezawa, Yutaka Shibata, Hitoshi Kasai, Hidetoshi Oikawa, Hiroshi Yabu
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION 36 (1) 2019/01
DOI：
10.1002/ppsc.201800311
ISSN：
0934-0866
eISSN：
1521-4117
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Near-Infrared-Excitable SERS Measurement Using Magneto-Responsive Metafluids for in Situ Molecular Analysis
Yutaro Hirai, Yasutaka Matsuo, Hiroshi Yabu
ACS APPLIED NANO MATERIALS 1 (9) 4980-4987 2018/09
DOI：
10.1021/acsanm.8b01093
ISSN：
2574-0970
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A Fluorescence Indicator at Extreme Low pH Region Based on Dissolution of Zn Tetra-2,3-Pyridoporphyradine (TPP) Nanocrystal Suspension
Yutaro Hirai, Bunji Sawano, Toshihiko Takaki, Hiroshi Yabu
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 18 (1) 455-458 2018/01
DOI：
10.1166/jnn.2018.14610
ISSN：
1533-4880
eISSN：
1533-4899
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Preparation of Poly(Vinyl Catechol-block-Styrene) (PVCa-b-PSt) Stabilized Iron Oxide Nanoparticles by Ligand Exchange and Janus Particle Formation
Hirosh Yabu, Ryo Koike, Yutaro Hirai
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 17 (12) 9251-9256 2017/12
DOI：
10.1166/jnn.2017.14363
ISSN：
1533-4880
eISSN：
1533-4899
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Metal Phthalocyanine Derivative Nanocrystals: Color-controlled and Transparent Dispersions by a One-pot UV-assisted Synthetic Process
Yutaro Hirai, Bunji Sawano, Toshihiko Takaki, Yasutaka Matsuo, Hiroshi Yabu
CHEMISTRY LETTERS 46 (5) 695-698 2017/05
DOI：
10.1246/cl.170036
ISSN：
0366-7022
eISSN：
1348-0715
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Virus-like particles composed of sphere-forming polystyrene-block-poly(t-butyl acrylate) (PS-b-PtBA) and control of surface morphology by homopolymer blending
Yutaro Hirai, Takeshi Wakiya, Hiroshi Yabu
POLYMER CHEMISTRY 8 (11) 1754-1759 2017/03/21
DOI：
10.1039/c7py00013h
ISSN：
1759-9954
eISSN：
1759-9962
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Thermally Stable Honeycomb-Patterned Porous Films of a Poly(L-lactic acid) and Poly(D-lactic acid) Stereo Complex Prepared Using the Breath Figure Technique
Hiroya Abe, Yutaro Hirai, Hiroshi Yabu
MACROMOLECULAR MATERIALS AND ENGINEERING 301 (5) 523-529 2016/05
DOI：
10.1002/mame.201500474
ISSN：
1438-7492
eISSN：
1439-2054
