ArticlePrecision chemistry2024
Triplet-Triplet Annihilation-Based Photon Upconversion with a Macrocyclic Parallel Dimer.
Article in Precision chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Noncovalent through-space charge transfer enables efficient and stable blue electroluminescence.Science advances · 2026Article
- Tutorial on Energy Transfer Mechanisms and Computational Methods in X‑ray Photodynamic Therapy with Metal Nanoclusters.ACS physical chemistry Au · 2026Article
- At the "Peak" of Vis-to-UV Upconversion: Clear Advantages of TIPS Substituents for a Biphenyl Annihilator.JACS Au · 2025Article
- Janus-Type Photophysics of Rotational Isomers in a Diphenylanthracene Dimer.Angewandte Chemie (International ed. in English) · 2025Article
- Vibronic Trimer Design Enhancing Intramolecular Triplet-Exciton Hopping to Accelerate Triplet-Triplet Annihilation for Photon Upconversion.Angewandte Chemie (International ed. in English) · 2025Article
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Authors and funding
5 authors.
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Abstract
The integration of multiple chromophore units into a single molecule is expected to improve the performance of photon upconversion based on triplet-triplet annihilation (TTA-UC) that can convert low energy photons to higher energy photons at low excitation intensity. In this study, a macrocyclic parallel dimer of 9,10-diphenylanthracene (DPA) with a precisely parallel orientation, named MPD-2, is synthesized, and its TTA-UC properties are investigated. MPD-2 shows a green-to-blue TTA-UC emission in the presence of a triplet sensitizer, platinum octaethylporphyrin (PtOEP). Compared to monomeric DPA, MPD-2 results in an enhancement of the spin statistical factor of TTA and a decrease in the excitation light intensity due to the intramolecular TTA process. The obtained structure-property relationship provides important information for the further improvement of TTA-UC properties.
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Registered trials
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