ArticleChemistry (Weinheim an der Bergstrasse, Germany)2020
Tuning Optical Properties by Controlled Aggregation: Electroluminescence Assisted by Thermally-Activated Delayed Fluorescence from Thin Films of Crystalline Chromophores.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 35 citations in OpenAlex.
- Enhanced Energy Transfer from a Metal-Organic Framework to a Highly Confined Organic Phosphorescent Dye.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Intermolecular packing effects on the two-photon absorption of the HFrontiers in chemistry · 2026Article
- The Golden Age of Thermally Activated Delayed Fluorescence Materials: Design and Exploitation.Chemical reviews · 2024Review
- Confinement of Luminescent Guests in Metal-Organic Frameworks: Understanding Pathways from Synthesis and Multimodal Characterization to Potential Applications of LG@MOF Systems.Chemical reviews · 2022Review
- Supramolecular Assemblies Showing Thermally Activated Delayed Fluorescence.Small science · 2021Article
- Programmed Molecular Assembly of Abrupt Crystalline Organic/Organic Heterointerfaces Yielding Metal-Organic Framework Diodes with Large On-Off Ratios.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2021Article
- Interplay of structural dynamics and electronic effects in an engineered assembly of pentacene in a metal-organic framework.Chemical science · 2021Article
- Tuning Optical Properties by Controlled Aggregation: Electroluminescence Assisted by Thermally-Activated Delayed Fluorescence from Thin Films of Crystalline Chromophores.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020Article
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Authors and funding
14 authors at 2 institutions in 5 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Several photophysical properties of chromophores depend crucially on intermolecular interactions. Thermally-activated delayed fluorescence (TADF) is often influenced by close packing of the chromophore assembly. In this context, the metal-organic framework (MOF) approach has several advantages: it can be used to steer aggregation such that the orientation within aggregated structures can be predicted using rational approaches. We demonstrate this design concept for a DPA-TPE (diphenylamine-tetraphenylethylene) chromophore, which is non-emissive in its solvated state due to vibrational quenching. Turning this DPA-TPE into a ditopic linker makes it possible to grow oriented MOF thin films exhibiting pronounced green electroluminescence with low onset voltages. Measurements at different temperatures clearly demonstrate the presence of TADF. Finally, this work reports that the layer-by-layer process used for MOF thin film deposition allows the integration of the TADF-DPA-TPE in a functioning LED device.
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