Takayuki Suehiro

Profile Information

Affiliation: National Institute for Materials Science

Degree: 博士(工学)(横浜国立大学)

ORCID ID: https://orcid.org/0000-0001-9444-9738
J-GLOBAL ID: 200901020110071549
researchmap Member ID: 6000015434

External link: http://db.tohoku.ac.jp/whois/detail/8ce1a43fb75e779c6b794ba4d255cf6d.html

Research Interests

Research Areas

Nanotechnology/Materials / Inorganic materials /

Research History

Jun, 2012 - Present

Senior researcher, National Institute for Materials Science
Apr, 2007 - May, 2012

Assistant professor, Tohoku University
Apr, 2006 - Mar, 2007

Research associate, Tohoku University, Institute of Multidisciplinary Research for Advanced Materials
Apr, 2002 - Mar, 2006

National Institute for Materials Science

Education

Apr, 1997 - Mar, 2002

Graduate school of engineering, Yokohama National University
Apr, 1993 - Mar, 1997

Graduate School, Division of Engineering, Yokohama National University

Papers

Quaternary Wurtzitic Nitrides (1-x)ZnGeN2-2xGaN (x=0.02, 0.05): Disorder-Induced Band-Gap Narrowing and Potentiality as a Solar-Active Photocatalyst

Takayuki Suehiro, Masataka Tansho, Toru Ishigaki, Tadashi Shimizu

INORGANIC CHEMISTRY, 60(3) 1542-1549, Feb, 2021
Quaternary nitride system (1-x)ZnGeN2-2xGaN (x=1/3): disordered wurtzite structure revealed by time-of-flight neutron powder diffraction

Takayuki Suehiro, Masataka Tansho, Masato Hagihala, Shuki Torii, Takashi Kamiyama, Tadashi Shimizu

APPLIED PHYSICS EXPRESS, 13(11), Nov, 2020
Constancy of the quadrupolar interaction product in nanocrystalline gallium nitride revealed by Ga-71 MAS NMR shift distribution

Masataka Tansho, Takayuki Suehiro, Tadashi Shimizu

SOLID STATE NUCLEAR MAGNETIC RESONANCE, 97 25-30, Feb, 2019
Down-Conversion Nitride Materials for Solid State Lighting: Recent Advances and Perspectives

Le Wang, Rong-Jun Xie, Takayuki Suehiro, Takashi Takeda, Naoto Hirosaki

Chemical Reviews, 118(4) 1951-2009, Feb 28, 2018 Peer-reviewed
Nitride and oxynitride phosphors for white LEDs: Synthesis, new phosphor discovery, crystal structure

Takeda Takashi, Xie Rong-Jun, Suehiro Takayuki, Hirosaki Naoto

Progress in Solid State Chemistry, 51 41-51, 2018 Peer-reviewed
Quaternary Wurtzitic Nitrides in the System ZnGeN2-GaN: Powder Synthesis, Characterization, and Potentiality as a Photocatalyst

Takayuki Suehiro, Masataka Tansho, Tadashi Shimizu

JOURNAL OF PHYSICAL CHEMISTRY C, 121(49) 27590-27596, Dec, 2017 Peer-reviewed
Structure and luminescence of a novel orange-yellow-emitting Ca1.62Eu0.38Si5O3N6 phosphor for warm white LEDs, discovered by a single-particle-diagnosis approach

Xiao-Jun Wang, Shiro Funahashi, Takashi Takeda, Takayuki Suehiro, Naoto Hirosaki, Rong-Jun Xie

JOURNAL OF MATERIALS CHEMISTRY C, 4(42) 9968-9975, Nov, 2016 Peer-reviewed
Low-energy Cathodoluminescence for (Oxy) Nitride Phosphors

Yujin Cho, Benjamin Dierre, Takashi Sekiguchi, Takayuki Suehiro, Kohsei Takahashi, Takashi Takeda, Rong-Jun Xie, Yoshinobu Yamamoto, Naoto Hirosaki

JOVE-JOURNAL OF VISUALIZED EXPERIMENTS, (117), Nov, 2016 Peer-reviewed
Na-alpha '-GeGaON Solid Solution Analogous to alpha '-SiAION: Synthesis, Crystal Structure, and Potentiality as a Photocatalyst

Takayuki Suehiro, Masataka Tansho, Tadashi Shimizu

INORGANIC CHEMISTRY, 55(5) 2355-2362, Mar, 2016 Peer-reviewed
Blue-Emitting Sr3Si8-xAlxO7+xN8-xEu2+ Discovered by a Single-Particle-Diagnosis Approach: Crystal Structure, Luminescence, Scale-Up Synthesis, and Its Abnormal Thermal Quenching Behavior

Xiao-Jun Wang, Le Wang, Takashi Takeda, Shiro Funahashi, Takayuki Suehiro, Naoto Hirosaki, Rong-Jun Xie

CHEMISTRY OF MATERIALS, 27(22) 7689-7697, Nov, 2015 Peer-reviewed
Moisture-induced degradation and its mechanism of (Sr,Ca)AlSiN3:Eu2+, a red-color-converter for solid state lighting

Jie Zhu, Le Wang, Tianliang Zhou, Yujin Cho, Takayuki Suehiro, Takashi Takeda, Ming Lu, Takashi Sekiguchi, Naoto Hirosaki, Rong-Jun Xie

JOURNAL OF MATERIALS CHEMISTRY C, 3(13) 3181-3188, 2015 Peer-reviewed
Europium(II)-activated oxonitridosilicate yellow phosphor with excellent quantum efficiency and thermal stability - a robust spectral conversion material for highly efficient and reliable white LEDs

Le Wang, Hong Zhang, Xiao-Jun Wang, Benjamin Dierre, Takayuki Suehiro, Takahashi Takeda, Naoto Hirosaki, Rong-Jun Xie

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17(24) 15797-15804, 2015 Peer-reviewed
Gas-Reduction-Nitridation Synthesis of CaAlSiN3:Eu2+ Fine Powder Phosphors for Solid-State Lighting

Takayuki Suehiro, Rong-Jun Xie, Naoto Hirosaki

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 53(7) 2713-2717, Feb, 2014 Peer-reviewed
A novel and high brightness AlN:Mn2+ red phosphor for field emission displays

Xiao-Jun Wang, Rong-Jun Xie, Benjamin Dierre, Takashi Takeda, Takayuki Suehiro, Naoto Hirosaki, Takashi Sekiguchi, Huili Li, Zhuo Sun

DALTON TRANSACTIONS, 43(16) 6120-6127, 2014 Peer-reviewed
Local analysis of Eu2+ emission in CaAlSiN3

Benjamin Dierre, Takashi Takeda, Takashi Sekiguchi, Takayuki Suehiro, Kohsei Takahashi, Yoshinobu Yamamoto, Rong-Jun Xie, Naoto Hirosaki

Science and Technology of Advanced Materials, 14(6) 1012-1014, Dec, 2013 Peer-reviewed
A novel yellow-emitting SrAlSi4N7:Ce3+ phosphor for solid state lighting: Synthesis, electronic structure and photoluminescence properties

Jian Ruan, Rong-Jun Xie, Shiro Funahashi, Yoshinori Tanaka, Takashi Takeda, Takayuki Suehiro, Naoto Hirosaki, Yuan-Qiang Li

JOURNAL OF SOLID STATE CHEMISTRY, 208(20) 50-57, Dec, 2013 Peer-reviewed
Facile synthesis of (Sr,Ca)2Si5N8:Eu 2+-based red-emitting phosphor for solid-state lighting

Takayuki Suehiro, Rong-Jun Xie, Naoto Hirosaki

Industrial and Engineering Chemistry Research, 52(22) 7453-7456, Jun 5, 2013 Peer-reviewed
On the performance enhancement of nitride phosphors as spectral conversion materials in solid state lighting

Rong-Jun Xie, Naoto Hirosaki, T. Takeda, T. Suehiro

ECS Journal of Solid State Science and Technology, 2(2) R3031-R3040, 2013 Peer-reviewed
Growth Temperature Influence on the Luminescence of Eu, Si-Codoped AlN Phosphors

B. Dierre, X. M. Zhang, N. Fukata, T. Sekiguchi, T. Suehiro, T. Takeda, R. J. Xie, N. Hirosaki

ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY, 2(7) R126-R130, 2013 Peer-reviewed
Preparation, crystal structure and photoluminescence of lithium magnesium manganese borate solid solutions, LiMg1-xMnxBO3

Hisanori Yamane, Tetsuya Kawano, Kentaro Fukuda, Takayuki Suehiro, Tsugio Sato

JOURNAL OF ALLOYS AND COMPOUNDS, 512(1) 223-229, Jan, 2012 Peer-reviewed

Misc.

Preparation, photoluminescence and neutron scintillation properties of (Mn_xMg_1−x)₂B₂O₅

Kawano Tetsuya, Fukuda Kentaro, Yamane Hisanori, Suehiro Takayuki, Sato Tsugio, Yanagida Takayuki, Kawaguchi Noriaki, Fujimoto Yutaka, Yoshikawa Akira

Preprints of Annual Meeting of The Ceramic Society of Japan<br>Preprints of Fall Meeting of The Ceramic Society of Japan, 2011 61-61, Mar 16, 2011
Synthesis of Nitride Phosphors by Reduction-Nitridation Process

Takayuki Suehiro

Phosphor Research Society The 326th Meeting Technical Digest, 9-16, 2009
Luminescence Wavelength Control of CaAlSiN₃:Eu²⁺ by Ca-Replacing: Computational and Experimental Study

H. Onuma, T. Suehiro, A. Suzuki, H. Tsuboi, N. Hatakeyama, A. Endo, H. Takaba, M. Kubo, T. Sato, A. Miyamoto

9th International Meeting on Information Display Digest, 290-293, 2009
α-SiAlON-Based Oxynitride/Nitride Phosphors: Synthesis, Properties and Applications

R.-J. Xie, N. Hirosaki, M. Mitomo, Y. Yamamoto, T. Suehiro, K. Sakuma

Proceedings of the 11th International Display Workshop, IDW 04, 1105-1108, 2004
High Brightness Warm-White LED Lamps Using Ca-α-SiAlON Phosphors

K. Sakuma, N. Hirosaki, N. Kimura, Y. Yamamoto, R.-J. Xie, T. Suehiro, K. Omichi, M. Ohashi, D. Tanaka

Proceedings of the 11th International Display Workshop, IDW 04, 1115-1118, 2004
Morphology-Retaining Nitridation of Nanocrystalline Al₂O₃ Particles in Controlled NH₃-C₃H₈ Atmosphere

T. Suehiro, N. Hirosaki, J. Tatami, T. Meguro, S. Matsuo, K. Komeya

Proceedings of the International Symposium on Innovative Materials Processing by Controlling Chemical Reaction Field, 230-233, 2002
Synthesis of Spherical AlN Powder by Reduction-Nitridation Using NH₃-C₃H₈ Gas

T. Suehiro, K. Komeya, J. Tatami, T. Meguro, S. Matsuo

Proceedings of the 17th International Korea-Japan Seminar on Ceramics, 317-321, 2000

Professional Memberships

Research Projects

高次多元系窒化物ウルツァイトの創製と機能開拓

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2021 - Mar, 2024

末廣隆之
Development and visible-light sensitization of novel photocatalytic nitride materials for solar hydrogen production

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

Suehiro Takayuki
Development of nitride ceramics packaging material for solar cells with high durability and wavelength-conversion capability

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, 2008 - 2010

SUEHIRO Takayuki
高窒素含有粒界相の形成による超耐熱窒化ケイ素セラミックスの開発

科学研究費助成事業, 若手研究(B), 日本学術振興会, 2006 - 2007

末廣隆之

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