Development of innovative water splitting photocatalysts based on photocarrier dynamics at solid/liquid interfaces

2015 Fiscal Year Final Research Report

• Project/Area Number: 23000009
• Research Category: Grant-in-Aid for Specially Promoted Research
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering; Engineering
• Research Institution: The University of Tokyo
• Principal Investigator: DOMEN Kazunari 東京大学, 大学院工学系研究科, 教授 (10155624)
• Co-Investigator(Kenkyū-buntansha): UOSAKI Kohei 物質・材料研究機構, 国際ナノアーキテクトニクス拠点, ナノグリーン分野コーディネータ (20133697) ; YAMAKATA Akira 豊田工業大学, 大学院工学研究科, 准教授 (60321915) ; SAKATA Yoshihisa 山口大学, 大学院理工学研究科, 教授 (40211263)
• Co-Investigator(Renkei-kenkyūsha): YOSHINOBU Jun 東京大学, 物性研究所, 教授 (50202403)
• Project Period (FY): 2011 – 2015
• Keywords: 表面・界面物性 / 光触媒

Outline of Final Research Achievements

This project is aimed at the development of a photocatalytic water splitting system for one of the artificial photosynthesis systems, to convert solar energy into chemical energy with unprecedented high efficiency. New overall water splitting system has been achieved, which utilize light up to 600 nm. Moreover, by using particulate photocatalyst sheets, a solar-to-hydrogen energy conversion efficiency of 1.1% and an apparent quantum yield of 33% have been realized.

Free Research Field

工学