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2023 Fiscal Year Final Research Report

Cavity Polariton Devfices Using Self-Organized Otganic-Inorganic Quantum Wells

Research Project

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Project/Area Number 18K04927
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 29010:Applied physical properties-related
Research InstitutionSaga University

Principal Investigator

Masanao Era  佐賀大学, 理工学部, 准教授 (30191927)

Project Period (FY) 2018-04-01 – 2024-03-31
Keywords自己組織性量子井戸 / ハロゲン化鉛系層状ペロブスカイト / キャビティポラリトン / レーザ / 非線形光学材料 / ラングミュア―ブロジェット法 / 太陽電池
Outline of Final Research Achievements

Results of this study in Grants-in-Aid for Scientific Research (C) of MEXT 18K04927 are summarized as follows.
1. Preparation technique for optically high-quality layered perovskite quantum well films, named "Squeezed Out Technique" was established. 2. The potential application of the above thin films in cavity polariton devices was demonstrated. 3. Preparation technique of Hybrid quantum wells combined with organic semiconductors and inorganic semiconductors, named Molecular LEGO Technique, was proposed and its potential application in cavity polariton devices was demonstrated. 4. Environmetally Friendly preparation technique of lead halide perovskites was proposed.

Free Research Field

材料科学 光物理

Academic Significance and Societal Importance of the Research Achievements

スクイーズドアウト法により光学的に高品質なペロブスカイト量子井戸薄膜作製法を確立し、その量子井戸薄膜を用いたキャビティポラリトンデバイスにおいて130meV以上のラビ分裂を示すことを確認した。これはキャビティポラリトンデバイスの室温での実現へ大きく貢献するものである。また、分子LEGO法は上記キャビティポラリトンデバイス、特にその電流励起型レーザへの可能性を示すものであり、その学術的社会的意義は大きい。

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Published: 2025-01-30  

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