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2022 Fiscal Year Final Research Report

Development of photoenergy conversion using photosynthetic materials

Research Project

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Project/Area Number 20K05691
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 36020:Energy-related chemistry
Research InstitutionTokyo University of Science

Principal Investigator

Nagata Morio  東京理科大学, 工学部工業化学科, 准教授 (00756778)

Project Period (FY) 2020-04-01 – 2023-03-31
Keywordsバイオ太陽電池 / 光合成材料 / アップコンバージョン
Outline of Final Research Achievements

Photosynthetic materials offer the potential as a sustainable energy source.
However, it is unable to absorb green or near-infrared light. Therefore, the photosynthetic materials were combined with fluorescent dyes and upconversion material as light harvesting complex. The efficiency of the bio solar cell increased by introducing fluorescent dyes. The device was able to generate photocurrent through excitation with near-infrared light lasers.

Free Research Field

光化学

Academic Significance and Societal Importance of the Research Achievements

光合成材料は、環境への負荷が小さく、安全で枯渇の心配のないエネルギー源として利用が期待できるが、緑色や近赤外の光を吸収できない。今回、人工的に光捕集できる色素を組み合わせることにより、太陽電池の電流値の向上が確認できた。特に800 nm以長の近赤外光は、太陽光の約49%を占めるにも関わらず、植物および人工系においても現在ほとんど利用されていない。今回の知見を生かして、よりよい光エネルギー変換デバイスの開発が期待できる。

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Published: 2024-01-30  

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