2023
DOI: 10.1016/j.cej.2023.142900
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Hanging heavy atom-containing chains onto a multiple resonance framework: Influence on the TADF properties and device performances

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Cited by 22 publications
(11 citation statements)
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“…Interestingly, even though the Φ PL of IDCzPMO is higher than that of IDCzSOP and the Δ E ST of IDCzPMO is smaller than that of IDCzSOP, IDCzSOP and IDCzPMO have nearly similar k RISC . This can be attributed to the SOC enhancement caused by the heavy atom effect in IDCzSOP . In addition, PICzPMO showed a larger k RISC comparable to that of IDCzPMO and IDCzSOP, implying a fast upconversion process.…”
Section: Resultsmentioning
confidence: 92%
“…Interestingly, even though the Φ PL of IDCzPMO is higher than that of IDCzSOP and the Δ E ST of IDCzPMO is smaller than that of IDCzSOP, IDCzSOP and IDCzPMO have nearly similar k RISC . This can be attributed to the SOC enhancement caused by the heavy atom effect in IDCzSOP . In addition, PICzPMO showed a larger k RISC comparable to that of IDCzPMO and IDCzSOP, implying a fast upconversion process.…”
Section: Resultsmentioning
confidence: 92%
“…To the best of our knowledge, the fwhm of 25 nm is one of the narrowest values among the reported solution-processed OLEDs based on MR-TADF emitters (Figure ). Importantly, the EL peaks of 6TBN -based devices are almost unchanged by different doping concentrations from 10 to 100 wt %, with fwhm values being maintained at 25–27 nm (Figure S13), indicating that the EL emission of 6TBN is not affected by the doping concentration and the spectral broadening is significantly suppressed due to the mitigated intermolecular interactions. The absence of shoulder peaks in the nondoped EL spectrum indicates no excimer formation, which is conducive to improve the color purity of the MR-TADF materials.…”
Section: Resultsmentioning
confidence: 97%
“…Comparison of currently reported solution-processed MR-TADF-OLEDs, the values of which are taken from refs .…”
Section: Resultsmentioning
confidence: 99%
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“…In contrast, OLEDs based on 181 showed an EQE max of 33.0% but a more severe efficiency roll-off 1000 of 65%. 103 In the same year, they also reported two MR-TADF emitters ( 182 and 183 ) via managing long- and short-range charge-transfer excitations to study the structure–property relationship. OLEDs based on 182 as the emitter achieved an EQE max of 35.6% and an FWHM of 35 nm, in which short-range CT excitation was dominant in the S 1 excited state.…”
Section: Highly Efficient Tadf Emitters Based On Three-coordinate Org...mentioning
confidence: 99%