Photocatalytic coating on the lacquer utilized for cultural assets such as the shrines and temples of Nikko
| Project/Area Number |
16H03107
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Cultural assets study and museology
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| Research Institution | Tokyo University of Science |
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Principal Investigator |
FUJISHIMA Akira 東京理科大学, 研究推進機構総合研究院, 栄誉教授 (30078307)
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| Co-Investigator(Kenkyū-buntansha) |
寺島 千晶 東京理科大学, 研究推進機構総合研究院, 教授 (00596942)
鈴木 智順 東京理科大学, 理工学部教養, 教授 (50256666)
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| Research Collaborator |
SUZUKI Norihiro
ADACHI Takahiro
OGASAWARA Mai
KATO Kazuki
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| Project Period (FY) |
2016-04-01 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2018)
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| Budget Amount *help |
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2018: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
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| Keywords | 漆 / 膠 / 光触媒 / 防カビ / 真菌叢解析 / 培養 / 同定 / 紫外線劣化防止 / 紫外線防止 / 紫外線劣化 / 真菌叢 / 環境材料 / 建築構造・材料 / 微生物 / 表面・界面物性 |
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| Outline of Final Research Achievements |
The protection layer by photocatalyst was coated on the lacquer utilized for cultural assets such as the shrines and temples of Nikko. Lacquer has generally been damaged by UV-irradiation in sunlight, therefore our technology to coat the photocatalytic materials including UV absorber enhanced the lifetime of lacquer 18 times longer than uncoated lacquer. Furthermore, we identified the fungus grow on cultural assets and/or around Nikko area to Penicillium and Cladosporium, which were species of fungus to be grown on the common buildings and environments. Finally the kill of fungus was demonstrated by photocatalytic reaction.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究は，日光の社寺を例とした文化財という伝統建造物を日本発の光触媒技術によって保護することを目的としており，人類文化の見地からだけではなく，学術的観点からも意義深く，後世へ引き継がれる技術となる。また，光触媒はこれまでにビルの外壁等へ多数適用されてきたが，文化財に適用した例はない。日光の社寺のような世界的に有名な観光名所において光触媒が適用されたとなれば，その波及効果は絶大で，光触媒の更なる発展と共に，日本発の技術のよい普及をもたらすことが期待できる。
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Report
(4 results)
Research Products
(56 results)
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[Journal Article] Solution plasma process-derived defect-induced heterophase anatase/brookite TiO2 nanocrystals for enhanced gaseous photocatalytic performance2018
Author(s)
Sudhagar Pitchaimuthu, Kaede Honda, Shoki Suzuki, Akane Naito, Norihiro Suzuki, Ken-ichi Katsumata, Kazuya Nakata, Naoya Ishida, Naoto Kitamura, Yasushi Idemoto, Takeshi Kondo, Makoto Yuasa, Osamu Takai, Tomonaga Ueno, Nagahiro Saito, Akira Fujishima, and Chiaki Terashima*
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Journal Title
ACS Omega
Volume: 3
Issue: 1
Pages: 898-905
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Selective Inactivation of Bacteriophage in the Presence of Bacteria by Use of Ground Rh-Doped SrTiO3 Photocatalyst and Visible Light2017
Author(s)
Y. Yamaguchi, S. Usuki, Y. Kanai, K. Yamatoya, N. Suzuki, K. Katsumata, C. Terashima, T. Suzuki, A. Fujishima, H. Sakai, A. Kudo, and K. Nakata
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Journal Title
ACS Applied Materials & Interfaces
Volume: 9
Issue: 37
Pages: 31393-31400
DOI
Related Report
Peer Reviewed
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[Journal Article] Systematic studies of TiO2-based photocatalysts anti-algal effects on Chlorella vulgaris2017
Author(s)
Norihiro Suzuki, Takuo Sanada, Chiaki Terashima, Tomonori Suzuki, Tadao Arai, Satoshi Saitou, Tetsufumi Kawashima, Atsushi Mizutani, Toshio Saitou, Kazuya Nakata, Ken-ichi Katsumata, Takeshi Kondo, Makoto Yuasa, Akira Fujishima
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Journal Title
J. Appl. Electrochem.
Volume: 47
Issue: 2
Pages: 197-203
DOI
Related Report
Peer Reviewed
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[Presentation] Preparation and Characterization of Self-Cleaning TiO2/SiO2 layer on Polycarbonate2016
Author(s)
Z. Nie, T. Adachi, C. Terashima, N. Suzuki, K. Nakata, K. Katsumata, T. Kondo, M. Yuasa, A. Fujishima
Organizer
The 22nd China-Japan Bilateral Symposium on Intelligent Electrophotonic Materials & Molecular Electronics (SIEMME’22)
Place of Presentation
Element Suzhou Science and Technology Town, Suzhou, China
Year and Date
2016-09-22
Related Report
Int'l Joint Research
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