ArticleThe journal of physical chemistry letters2020
Controlling Two-Photon Action Cross Section by Changing a Single Heteroatom Position in Fluorescent Dyes.
Article in The journal of physical chemistry letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Two-photon excited circularly polarized luminescence of hetero[9]helicene with multiresonant thermally activated delayed fluorescence.Nature communications · 2026Article
- Structure of Organoboron Dyes and Multiphoton Absorption: Insights from Theory.The journal of physical chemistry letters · 2025Article
- Performance of Density Functional Approximations in Calculations of Electronic Two-Photon Transition Strengths of Fluorescent Dyes.The journal of physical chemistry. A · 2025Article
- Isoelectronic Push-Pull Fluorescent Difluoroborates: Halogen Bonding and Photophysical Properties.The Journal of organic chemistry · 2025Article
- Impact of the Protein Environment on Two-Photon Absorption Cross-Sections of the GFP Chromophore Anion Resolved at the XMCQDPT2 Level of Theory.International journal of molecular sciences · 2023Article
- Cost-Effective Simulations of Vibrationally-Resolved Absorption Spectra of Fluorophores with Machine-Learning-Based Inhomogeneous Broadening.Journal of chemical theory and computation · 2023Article
- Unveiling Halogen-Bonding Interactions between a Pyridine-Functionalized Fluoroborate Dye and Perfluorohaloarenes with Fluorescence Spectroscopy.The Journal of organic chemistry · 2022Article
- Two-Photon Absorption: An Open Door to the NIR-II Biological Window?Frontiers in chemistry · 2022Review
- Aromatic Amines in Organic Synthesis. Part II.Molecules (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The optimization of nonlinear optical properties for "real-life" applications remains a key challenge for both experimental and theoretical approaches. In particular, for two-photon processes, maximizing the two-photon action cross section (TPACS), the figure of merit for two-photon bioimaging spectroscopy, requires simultaneously controlling all its components. In the present Letter, a series of difluoroborates presenting various heterocyclic rings as an electron acceptor have been synthesized and their absorption, fluorescence, photoisomerization, and two-photon absorption features have been analyzed using both experimental and theoretical approaches. Our results demonstrate that the TPACS values can be fine-tuned by changing the position of a single heteroatom, which alters the fluorescence quantum yields without changing the intrinsic two-photon absorption cross section. This approach offers a new strategy for optimizing TPACS.
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