ArticleACS applied electronic materials2020
Photophysics of TADF Guest-Host Systems: Introducing the Idea of Hosting Potential.
Article in ACS applied electronic materials, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Multifaceted Interactions of Thermally Activated Delayed Fluorescent Emitters with Dielectric Environments: Charge Transfer vs. Structural Relaxation.Molecules (Basel, Switzerland) · 2026Article
- A Direct Arylation Approach toward Thermally Activated Delayed Fluorescence-Active Benzo[ACS applied optical materials · 2025Article
- Interplay of Charge Transfer and Local Triplet States in Donor-Acceptor-Based TADF Compounds.The journal of physical chemistry letters · 2025Article
- Exploring the Versatile Uses of Triplet States: Working Principles, Limitations, and Recent Progress in Phosphorescence, TADF, and TTA.ACS applied optical materials · 2024Review
- Rigid and planar π-conjugated molecules leading to long-lived intramolecular charge-transfer states exhibiting thermally activated delayed fluorescence.Nature communications · 2024Article
- Aryl-Substituted Acridine Donor Derivatives Modulate the Transition Dipole Moment Orientation and Exciton Harvesting Properties of Donor-Acceptor TADF Emitters.The journal of physical chemistry. C, Nanomaterials and interfaces · 2024Article
- Exciplex, Not Heavy-Atom Effect, Controls the Triplet Dynamics of a Series of Sulfur-Containing Thermally Activated Delayed Fluorescence Molecules.Chemistry of materials : a publication of the American Chemical Society · 2024Article
- Application of the Heavy-Atom Effect for (Sub)microsecond Thermally Activated Delayed Fluorescence and an All-Organic Light-Emitting Device with Low-Efficiency Roll-off.ACS applied materials & interfaces · 2024Article
- Exploring the Early Time Behavior of the Excited States of an Archetype Thermally Activated Delayed Fluorescence Molecule.The journal of physical chemistry letters · 2024Article
- Effect of thermal annealing on an emissive layer containing a blend of a small molecule and polymer as host for application in OLEDs.RSC advances · 2023Article
- Azaborine as a Versatile Weak Donor for Thermally Activated Delayed Fluorescence.ACS applied materials & interfaces · 2023Article
- Conformational, Host, and Vibrational Effects Giving Rise to Dynamic TADF Behavior in the Through-Space Charge Transfer, Triptycene Bridged Acridine-Triazine Donor Acceptor TADF MoleculeThe journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
- An Oligomer Approach for Blue Thermally Activated Delayed Fluorescent Emitters Based on Twisted Donor-Acceptor Units.Chemistry of materials : a publication of the American Chemical Society · 2023Article
- Thermally Activated Delayed Fluorescence: Polarity, Rigidity, and Disorder in Condensed Phases.Journal of the American Chemical Society · 2022Article
- Laplace Transform Fitting as a Tool To Uncover Distributions of Reverse Intersystem Crossing Rates in TADF Systems.The journal of physical chemistry letters · 2022Article
- Virtual Screening for Organic Solar Cells and Light Emitting Diodes.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Review
- Temporal Dynamics of Solid-State Thermally Activated Delayed Fluorescence: Disorder or Ultraslow Solvation?The journal of physical chemistry letters · 2022Article
- Substituent effect on TADF properties of 2-modified 4,6-bis(3,6-di-Beilstein journal of organic chemistry · 2022Article
- Exceptionally fast radiative decay of a dinuclear platinum complex through thermally activated delayed fluorescence.Chemical science · 2021Article
- Vibrationally Assisted Direct Intersystem Crossing between the Same Charge-Transfer States for Thermally Activated Delayed Fluorescence: Analysis by Marcus-Hush Theory Including Reorganization Energy.The journal of physical chemistry. B · 2021Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The thermally activated delayed fluorescence (TADF) donor-acceptor (D-A) molecule, DMAC-TRZ, is used as a TADF emitter "probe" to distinguish the environmental effects of a range of solid-state host materials in guest-host systems. Using the guest's photophysical behavior in solution as a benchmark, a comprehensive study using a variety of typical TADF organic light-emitting diode hosts with different characteristics provides a clearer understanding of guest-host interactions and what affects emitter performance in solid state. We investigate which are the key host characteristics that directly affect charge-transfer (CT) state energy and singlet triplet energy gaps. Using time-resolved photoluminescence measurements, we use the CT state energy distribution obtained from the full width at half-maximum (fwhm) of the emission band and correlate this with other photophysical properties such as the apparent dynamic red shift of CT emission on-set to estimate the disorder-induced heterogeneity of D-A dihedral angles and singlet triplet gaps. Further, the delayed emission stabilization energy value and time-dependent CT band fwhm are shown to be related to a combination of host's rigidity, emitter molecule packing, and the energy difference between guest and host lowest energy triplet states. Concentration dependence studies show that emitter dimerization/aggregation can improve as well as reduce emission efficiency depending on the characteristics of the host. Two similar host materials, mCPCN and mCBPCN, with optimum host characteristics show completely different behaviors, and their hosting potential is extensively explored. We demonstrate that type I and type III TADF emitters behave differently in the same host and that the materials with intrinsic small Δ
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