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2016 Fiscal Year Final Research Report

Visible-Light-Driven Fine Chemical Synthesis Based on Construction of New Metal Nanoparticles/Semiconductor Heterojunctions

Research Project

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Project/Area Number 26289296
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Reaction engineering/Process system
Research InstitutionOsaka University

Principal Investigator

Hirai Takayuki  大阪大学, 太陽エネルギー化学研究センター, 教授 (80208800)

Co-Investigator(Kenkyū-buntansha) 白石 康浩  大阪大学, 太陽エネルギー化学研究センター, 准教授 (70343259)
Project Period (FY) 2014-04-01 – 2017-03-31
Keywords金属ナノ粒子 / 半導体酸化物 / 白金 / 金 / 可視光 / ホットエレクトロン / プラズモン / 太陽光
Outline of Final Research Achievements

We have studied a new metal nanoparticles/metal oxide semiconductor photocatalyst that promotes organic transformations based on the absorption of visible region light by metal nanoparticles. Platinum (Pt) nanoparticles produces photoactivated “hot electrons” by an absorption of visible light by the interband transition of their d electrons; however, there is no report of Pt nanoparticles applying to photocatalytic reactions. We have found that Pt/TiO2 and Pt/Ta2O5 systems, when absorbing visible light, efficiently produces hot electrons and promotes several organic transformations with very high quantum yields.

Free Research Field

光触媒

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Published: 2018-03-22  

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