研究目的
Investigating the integration of photon upconversion and circularly polarized luminescence (CPL) in one chiral system to achieve higher-energy CPL emission.
研究成果
The integration of CPL with TTA-UC represents a new notion that renovates the field of CPL-active functional materials, with potential applications in asymmetric photochemical reactions and novel chiroptical switch materials. Further research is needed to achieve higher glum values and better upconversion efficiency for practical applications.
研究不足
The mechanism of amplified glum in UC-CPL is not clear, and achieving larger glum values and higher upconversion efficiency in solid materials remains challenging.
1:Experimental Design and Method Selection:
The study focuses on the triplet–triplet annihilation mechanism for photon upconversion and its integration with CPL in chiral systems.
2:Sample Selection and Data Sources:
Chiral molecules derived from anthracene as acceptor and achiral Pd (II) mesoporphyrin IX derivative as donor were synthesized.
3:List of Experimental Equipment and Materials:
Includes laser excitation sources, UV–vis spectroscopy, and CPL measurement setups.
4:Experimental Procedures and Operational Workflow:
Involves the synthesis of chiral molecules, formation of supramolecular gels, and measurement of upconversion and CPL emissions under various excitation conditions.
5:Data Analysis Methods:
Analysis of dissymmetry factor glum and comparison of upconverted and downconverted CPL emissions.
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