OKA Ryohei

写真a

Affiliation Department

Department of Life Science and Applied Chemistry
Department of Life Science and Applied Chemistry
Center for Innovative Young Researchers

Title

Assistant Professor

External Link

Degree

  • 博士(工学) ( 2021.03   鳥取大学 )

From School

  • Tottori University   Faculty of Engineering   Graduated

    2012.04 - 2016.03

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    Country:Japan

From Graduate School

  • Tottori University   Graduate School, Division of Engineering   Doctor's Course   Completed

    2018.04 - 2021.03

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    Country:Japan

  • Tottori University   Graduate School, Division of Engineering   Master's Course   Completed

    2016.04 - 2018.03

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    Country:Japan

External Career

  • Tottori University   Special researcher of the Japan Society for the Promotion of Science

    2018.04 - 2021.03

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    Country:Japan

Professional Memberships

  • 国際ガラス年日本実行委員会

    2021.04 - 2022.12

  • 公益社団法人日本セラミックス協会

    2017.06

  • 日本希土類学会

    2017.05

  • 一般社団法人色材協会

    2016.07

  • 公益社団法人日本化学会

    2016.07

 

Papers

  • Control of Optical Reflection in Ca2MgWO6 by Co and Mo doping Reviewed

    Kazuki Yamaguchi, Kohei Minagawa, Ryohei Oka, Toshiyuki Masui

    Molecules   29 ( 8 )   1886   2024.04

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3390/molecules29081886

  • Tuning the Luminescence Color of Eu3+- and Alkali-Ion-Codoped Sr2CaWO6 Orange-Red Phosphors: Eu3+ Site Distribution and Site-Selective Photoluminescence Studies Reviewed International coauthorship

    Takahito Otsuka, Ryohei Oka, Rita Maria Cicconi, Dominique de Ligny, Tomokatsu Hayakawa

    APL Materials   12 ( 3 )   031129   2024.03

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1063/5.0197892

  • Inorganic Green Pigments Based on LaSr2AlO5 Reviewed

    Kazuki Yamaguchi, Akari Takemura, Saki Furumoto, Ryohei Oka, Toshiyuki Masui

    Ceramics   6 ( 4 )   2269 - 2281   2023.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3390/ceramics6040138

  • Photoluminescence Color Prediction for Eu3+-doped Perovskite Red Phosphors using Machine Learning Reviewed

    Takahito Otsuka, Ryohei Oka, Masayuki Karasuyama, Tomokatsu Hayakawa

    Physica Status Solidi-Rapid Research Letters   2300237   2023.09

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/pssr.202300237

  • Bandgap and Photoluminescence Tunability of Lead-Free Cs3Bi2(Br,I)9 Solid Solution Compounds Reviewed International coauthorship

    Haruto Hashimoto, Ryohei Oka, Tomokatsu Hayakawa, Christoph Brabec

    Physica Status Solidi-Rapid Research Letters   2300241   2023.09

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/pssr.202300241

  • Color Controllable Inorganic Pigments with Ce3+ as a Color Source Reviewed

    Kazuki Yamaguchi, Yusuke Shobu, Ryohei Oka, Toshiyuki Masui

    Inorganic Chemistry   62 ( 38 )   15392 - 15402   2023.09

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.inorgchem.3c01292

  • Eu3+ Site Distribution and Local Distortion of Photoluminescent Ca3WO6:(Eu3+, K+) Double Perovskites as High-Color-Purity Red Phosphors Reviewed

    Takahito Otsuka, Ryohei Oka, Tomokatsu Hayakawa

    Advanced Science   10 ( 31 )   2302559   2023.09

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/advs.202302559

  • Local Structural Investigation of Near-Infrared-Reflective Black Ca2(Mn,Ti)O4 Pigments Using Synchrotron Radiation X-ray and Density Functional Theory Calculations Reviewed

    Ryohei Oka, Tomokatsu Hayakawa

    Inorganic Chemistry   62 ( 36 )   14647 - 14658   2023.08

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.inorgchem.3c01897

  • Synthesis of Calcium Manganese Oxide Films Using a Sol-Gel Method and Evaluation of Color and Photocatalytic Properties Reviewed

    Ryohei Oka, Tomokatsu Hayakawa

    Physica Status Solidi-Rapid Research Letters   2300233   2023.07

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/pssr.202300233

  • Nd-Doped NASICON-Type Nanophosphors for Near-Infrared Excitation and Emission Reviewed

    Mizuki Watanabe, Masahiro Itoh, Ryohei Oka, Shintaro Ida, Toshiyuki Masui

    Journal of Asian Ceramic Societies   11 ( 2 )   239 - 249   2023.03

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1080/21870764.2023.2186842

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Misc

  • 日本セラミックス協会第34回秋季シンポジウム参加報告

    岡 亮平

    36 ( 3 )   35 - 37   2021.11

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    Authorship:Lead author   Language:Japanese   Publishing type:Meeting report   Publisher:一般社団法人ニューガラスフォーラム  

  • 環境調和型の無機顔料

    岡 亮平,増井 敏行

    55 ( 8 )   598 - 601   2020.08

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:公益社団法人日本セラミックス協会  

  • 環境に優しい無機顔料

    岡 亮平,増井 敏行

    49   2 - 5   2018.11

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:日本電子材料技術協会  

  • Ce3+を発色源とする新規な優環境型の赤茶色無機顔料

    岡 亮平,増井 敏行

    53 ( 7 )   449 - 452   2018.07

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:公益社団法人日本セラミックス協会  

Presentations

  • 放射光X線を用いたCa2(Mn,Ti)O4黒色遮熱顔料の局所構造解析

    岡 亮平,早川 知克

    日本化学会第104春季年会(2024)  2024.03  公益社団法人日本化学会

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    Event date: 2024.03

    Language:English   Presentation type:Oral presentation (general)  

    Venue:千葉  

  • Mn4+を添加したLi-Nb-O系酸化物の色彩評価

    榊原 雅紘・岡 亮平・早川 知克

    第62回セラミックス基礎科学討論会  2024.01  公益社団法人日本セラミックス協会基礎科学部会

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    Event date: 2024.01

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京  

  • Eu3+添加ダブルペロブスカイト型蛍光体における発光色制御に関する研究

    大塚 喬仁・岡 亮平・烏山 昌幸・早川 知克

    2023年度日本セラミックス協会東海支部学術研究発表会  2023.12  公益社団法人日本セラミックス協会東海支部

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    Event date: 2023.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

  • Ca-Mn-O系着色膜の色彩と光触媒性能評価

    岡 亮平,早川 知克

    2023年度日本セラミックス協会東海支部学術研究発表会  2023.12  公益社団法人日本セラミックス協会東海支部

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    Event date: 2023.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋  

  • 鉛フリー・ハライドペロブスカイトCs3Bi2Br9−xIx固溶体の光学特性とバンド構造計算 International coauthorship

    橋本晴人、岡 亮平、早川 知克、Christoph Brabec

    第64回ガラスおよびフォトニクス材料討論会  2023.11  公益社団法人日本セラミックス協会ガラス部会

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    Event date: 2023.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:松山  

  • Ca-Mn-O系膜の光学特性および光触媒性能評価

    岡 亮平、早川 知克

    第64回ガラスおよびフォトニクス材料討論会  2023.11  公益社団法人日本セラミックス協会ガラス部会

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    Event date: 2023.11

    Language:Japanese   Presentation type:Poster presentation  

    Venue:松山  

  • Synchrotron radiation X-ray analysis for structures and electronic states of NIR-reflective Ca2(Mn,Ti)O4 black pigments International conference

    Ryohei Oka, Tomokatsu Hayakawa

    9th International Workshop on Advanced Ceramics (IWAC09)  2023.09 

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    Event date: 2023.09

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Limoges   Country:France  

  • Prediction of PL color on Eu3+-doped perovskite-type oxide by supervised machine learning and synthesis of a new Eu3+-doped phosphor International coauthorship International conference

    Takahito Otsuka, Ryohei Oka, Masayuki Karasuyama, Rita Maria Cicconi, Dominique de Ligny, Tomokatsu Hayakawa

    9th International Workshop on Advanced Ceramics (IWAC09)  2023.09 

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    Event date: 2023.09

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Limoges   Country:France  

  • Color and Photocatalytic Properties of Calcium Manganite Films Invited International conference

    Ryohei Oka, Tomokatsu Hayakawa

    International Congress on Pure & Applied Chemistry Bali (ICPAC Bali 2023)  2023.09  Institut Kimia Malaysia

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    Event date: 2023.09

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:on Web  

  • Ca2MnO4系着色膜の作製と特性評価

    岡 亮平,早川 知克

    日本セラミックス協会第36回秋季シンポジウム  2023.09  公益社団法人日本セラミックス協会

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    Event date: 2023.09

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:京都  

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Awards

  • 2023年度日本セラミックス協会東海支部学術研究発表会 優秀講演賞

    2023.12   公益社団法人日本セラミックス協会東海支部  

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    Award type:Award from Japanese society, conference, symposium, etc. 

  • 若手研究イノベータ奨励賞

    2023.03   名古屋工業大学  

  • 日本セラミックス協会第33回秋季シンポジウム優秀発表賞

    2020.09   公益社団法人日本セラミックス協会  

    岡 亮平

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  • 第35回希土類討論会学生講演賞

    2019.05   日本希土類学会  

    岡 亮平

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  • 第34回希土類討論会学生講演賞

    2018.05   日本希土類学会  

    岡 亮平

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  • 2017年度日本化学会中国四国支部支部長賞

    2018.03   公益社団法人日本化学会中国四国支部  

  • 2016年度色材研究発表会優秀講演賞

    2016.10   一般社団法人色材協会  

    岡 亮平

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    Award type:Award from Japanese society, conference, symposium, etc.  Country:Japan

  • 2015年度日本化学会中国四国支部支部長賞

    2016.03   公益社団法人日本化学会中国四国支部  

  • 2015年度鳥取大学工学部長表彰

    2016.03   鳥取大学  

Scientific Research Funds Acquisition Results

  • Mn4+の多面体配列に着目した新規な無機顔料の開発と多機能性コーティング膜への応用

    Grant number:24K17500  2024.04 - 2027.03

    日本学術振興会  科研費 学術研究助成基金 若手研究 

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4680000 ( Direct Cost: \3600000 、 Indirect Cost:\1080000 )

  • 新しい環境調和型の黒色遮熱、赤色無機顔料の開発

    2018.04 - 2021.03

    科学研究費補助金  特別研究員奨励費

    岡 亮平

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    Authorship:Principal investigator 

Other External Funds

  • Mn4+多面体配列の違いが色彩に及ぼす影響の解明

    2024.04 - 2025.03

    公益社団法人池谷科学技術振興財団 単年度研究助成 

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    Authorship:Principal investigator 

    Grant amount:\1000000

  • 新規な多機能性着色コーティング材料の開発

    2024.04 - 2025.03

    名古屋工業大学 学内研究推進経費 若手研究支援 

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    Authorship:Principal investigator 

    Grant amount:\500000

  • 環境に優しい新規な橙色無機顔料の開発

    2024.04 - 2025.03

    公益財団法人永井科学技術財団 研究奨励金 

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    Authorship:Principal investigator 

    Grant amount:\500000

  • 高価数遷移金属カチオンを安定化させた結晶化ガラスの作製とその光学特性評価

    2022.04 - 2025.03

    公益財団法人日本板硝子材料工学助成会 研究助成金 

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\1200000

Past of Cooperative Research

  • 新規な環境調和型無機顔料の多機能性の創出

    2024.04 - 2025.03

    物質・デバイス領域共同研究拠点  基盤共同研究  Collaboration in Japan 

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    Authorship:Principal investigator 

    Grant amount:\165000

 

Social Activities