ArticleChemical science2018
Near infrared two-photon-excited and -emissive dyes based on a strapped excited-state intramolecular proton-transfer (ESIPT) scaffold.
Article in Chemical science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
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- The Golden Age of Thermally Activated Delayed Fluorescence Materials: Design and Exploitation.Chemical reviews · 2024Review
- A photo-triggered self-accelerated nanoplatform for multifunctional image-guided combination cancer immunotherapy.Nature communications · 2023Article
- Bithiophene-Cored, mono-, bis-, and tris-(Trimethylammonium)-Substituted, bis-Triarylborane Chromophores: Effect of the Number and Position of Charges on Cell Imaging and DNA/RNA Sensing.Chemistry (Weinheim an der Bergstrasse, Germany) · 2021Article
- Synthesis of Highly Functionalizable Symmetrically and Unsymmetrically Substituted Triarylboranes from Bench-Stable Boron Precursors.Chemistry (Weinheim an der Bergstrasse, Germany) · 2021Article
- 2-Hydroxybenzophenone Derivatives: ESIPT Fluorophores Based on Switchable Intramolecular Hydrogen Bonds and Excitation Energy-Dependent Emission.Frontiers in chemistry · 2021Article
- ESIPT-Related Origin of Dual Fluorescence in the Selected Model 1,3,4-Thiadiazole Derivatives.Molecules (Basel, Switzerland) · 2020Article
- The endeavor of vibration-induced emission (VIE) for dynamic emissions.Chemical science · 2020Review
- Simultaneously boosting the conjugation, brightness and solubility of organic fluorophores by using AIEgens.Chemical science · 2020Article
- Synthesis and characterization of poly(tetraphenylimidazole)s and their application in the detection of fluoride ions.RSC advances · 2020Article
- Natural Born Laser Dyes: Excited-State Intramolecular Proton Transfer (ESIPT) Emitters and Their Use in Random Lasing Studies.Nanomaterials (Basel, Switzerland) · 2019Article
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10 authors.
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Abstract
Fluorophores that can undergo excited-state intramolecular proton transfer (ESIPT) represent promising scaffolds for the design of compounds that show red-shifted fluorescence. Herein, we disclose new near infrared-emissive materials based on a dialkylamine-strapped 2,5-dithienylpyrrole as an ESIPT scaffold. The introduction of electron-accepting units to the terminal positions of this scaffold generates acceptor-π-donor-π-acceptor (A-π-D-π-A) type π-conjugated compounds. Following the ESIPT, the electron-donating ability of the core scaffold increases, which results in a substantially red-shifted emission in the NIR region, while increasing the oscillator strength. The electron-accepting units play a vital role to achieve intense and red-shifted emission from the ESIPT state. The strapped dialkylamine chain that forms an intramolecular hydrogen bond is also essential to induce the ESIPT. Moreover, an extended A-π-D-π-A skeleton enables two-photon excitation with the NIR light. One of the derivatives that satisfy these features,
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