Deep-blue organic light-emitting diodes based on a doublet <italic style="font-style: italic">d</italic>–<italic style="font-style: italic">f</italic> transition cerium(III) complex with 100% exciton utilization efficiency

Liding Wang; Zifeng Zhao; Ge Zhan; Huayi Fang; Hannan Yang; Tianyu Huang; Yuewei Zhang; Nan Jiang; Lian Duan; Zhiwei Liu; Zuqiang Bian; Zhenghong Lu; Chunhui Huang

doi:10.1038/s41377-020-00395-4

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Deep-blue organic light-emitting diodes based on a doublet d–f transition cerium(III) complex with 100% exciton utilization efficiency

Original Articles

- Deep-blue organic light-emitting diodes based on a doublet d–f transition cerium(III) complex with 100% exciton utilization efficiency
- Light: Science & Applications Vol. 9, Issue 5, Pages: 1498-1506(2020)
- Affiliations：
  
  1.Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory of Rare Earth Materials Chemistry and Applications, Beijing Engineering Technology Research Centre of Active Display, College of Chemistry and Molecular Engineering, Peking University, 100871 Beijing, China
  2.Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering, Nankai University, 300350 Tianjin, China
  3.Department of Physics, Yunnan University, 2 Cuihu Bei Lu, 650091 Kunming, China
  4.Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, 100084 Beijing, China
- Author bio：
  
  Zhiwei Liu (zwliu@pku.edu.cn)
- Funds：
- DOI：10.1038/s41377-020-00395-4
  CLC：
- Published：2020，
  
  Published Online：08 September 2020，
  
  Received：09 April 2020，
  
  Revised：24 August 2020，
  
  Accepted：25 August 2020
- Accepted：
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Wang, L. d. et al. Deep-blue organic light-emitting diodes based on a doublet d–f transition cerium(III) complex with 100% exciton utilization efficiency. Light: Science & Applications, 9, 1498-1506 (2020).
DOI：

Wang, L. d. et al. Deep-blue organic light-emitting diodes based on a doublet d–f transition cerium(III) complex with 100% exciton utilization efficiency. Light: Science & Applications, 9, 1498-1506 (2020). DOI： 10.1038/s41377-020-00395-4.

摘要

Abstract

Compared to red and green organic light-emitting diodes (OLEDs)

blue OLEDs are still the bottleneck due to the lack of efficient emitters with simultaneous high exciton utilization efficiency (EUE) and short excited-state lifetime. Different from the fluorescence

phosphorescence

thermally activated delayed fluorescence (TADF)

and organic radical materials traditionally used in OLEDs

we demonstrate herein a new type of emitter

cerium(III) complex

Ce-1

with spin-allowed and parity-allowed

–

transition of the c

entre Ce

ion. The compound exhibits a high EUE up to 100% in OLEDs and a short excited-state lifetime of 42 ns

which is considerably faster than that achieved in efficient phosphorescence and TADF emitters. The optimized OLEDs show an average maximum external quantum efficiency (EQE) of 12.4% and Commission Internationale de L'Eclairage (CIE) coordinates of (0.146

0.078).

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Keywords

references

Tang, C. W.&Vanslyke, S. A. Organic electroluminescent diodes.Appl. Phys. Lett.51, 913–915 (1987)..

Ma, Y. G. et al. Electroluminescence from triplet metal-ligand charge-transfer excited state of transition metal complexes.Synth. Met.94, 245–248 (1998)..

Baldo, M. A. et al. Highly efficient phosphorescent emission from organic electroluminescent devices.Nature395, 151–154 (1998)..

Baldo, M. A. et al. Very high-efficiency green organic light-emitting devices based on electrophosphorescence.Appl. Phys. Lett.75, 4–6 (1999)..

Helander, M. G. et al. Chlorinated indium tin oxide electrodes with high work function for organic device compatibility.Science332, 944–947 (2011)..

Endo, A. et al. Thermally activated delayed fluorescence from Sn4+–porphyrin complexes and their application to organic light emitting diodes—a novel mechanism for electroluminescence.Adv. Mater.21, 4802–4806 (2009)..

Uoyama, H. et al. Highly efficient organic light-emitting diodes from delayed fluorescence.Nature492, 234–238 (2012)..

Hamze, R. et al. Eliminating nonradiative decay in Cu(I) emitters:>99% quantum efficiency and microsecond lifetime.Science363, 601–606 (2019)..

Peng, Q. M. et al. Organic light-emitting diodes using a neutral π radical as emitter: the emission from a doublet.Angew. Chem.127, 7197–7201 (2015)..

Obolda, A. et al. Up to 100% formation ratio of doublet exciton in deep-red organic light-emitting diodes based on neutral π-radical.ACS Appl. Mater. Interfaces8, 35472–35478 (2016)..

Ai, X. et al. Efficient radical-based light-emitting diodes with doublet emission.Nature563, 536–540 (2018)..

Yin, H. L. et al. Luminescent Ce(III) complexes as stoichiometric and catalytic photoreductants for halogen atom abstraction reactions.J. Am. Chem. Soc.137, 9234–9237 (2015)..

Yin, H. L. et al. Cerium photosensitizers: structure–function relationships and applications in photocatalytic aryl coupling reactions.J. Am. Chem. Soc.138, 5984–5993 (2016)..

Qiao, Y. S. et al. Understanding and controlling the emission brightness and color of molecular cerium luminophores.J. Am. Chem. Soc.140, 4588–4595 (2018)..

Lindqvist-Reis, P. et al. Unraveling the ground state and excited state structures and dynamics of hydrated Ce3+ions by experiment and theory.Inorg. Chem.57, 10111–10121 (2018)..

Qin, X. et al. Lanthanide-activated phosphors based on 4f–5doptical transitions: theoretical and experimental aspects.Chem. Rev.117, 4488–4527 (2017)..

Wenger, O. S. Photoactive complexes with earth-abundant metals.J. Am. Chem. Soc.140, 13522–13533 (2018)..

Frey, S. T.&Horrocks, W. D. Complexation, luminescence, and energy transfer of cerium(3+) with a series of multidentate aminophosphonic acids in aqueous solution.Inorg. Chem.30, 1073–1079 (1991)..

Yu, T. Z. et al. Ultraviolet electroluminescence from organic light-emitting diode with cerium(III)–crown ether complex.Solid-State Electron.51, 894–899 (2007)..

Zheng, X. L. et al. Bright blue-emitting Ce3+ complexes with encapsulating polybenzimidazole tripodal ligands as potential electroluminescent devices.Angew. Chem. Int. Ed.46, 7399–7403 (2007)..

Katkova, M.A. et al. Lanthanide imidodiphosphinate complexes: synthesis, structure and new aspects of electroluminescent properties.Synth. Met.159, 1398–1402 (2009)..

Trofimenko, S. Boron-pyrazole chemistry.J. Am. Chem. Soc.88, 1842–1844 (1966)..

Bünzli, J. C. G.&Piguet, C. Taking advantage of luminescent lanthanide ions.Chem. Soc. Rev.34, 1048–1077 (2005)..

Kunkely, H.&Vogler, A. Can halides serve as a charge transfer acceptor? Metal-centered and metal-to-ligand charge transfer excitation of cerium(III) halides.Inorg. Chem. Commun.9, 1–3 (2006)..

Lee, J. et al. Deep blue phosphorescent organic light-emitting diodes with very high brightness and efficiency.Nat. Mater.15, 92–98 (2016)..

Chou, H. H.&Cheng, C. H. A highly efficient universal bipolar host for blue, green, and red phosphorescent OLEDs.Adv. Mater.22, 2468–2471 (2010)..

Yang, H. et al. A phosphanthrene oxide host with close sphere packing for ultralow-voltage-driven efficient blue thermally activated delayed fluorescence diodes.Adv. Mater.29, 1700553 (2017)..

Li, X. Y. et al. Deep blue phosphorescent organic light-emitting diodes with ciey value of 0.11 and external quantum efficiency up to 22.5%.Adv. Mater.30, 1705005 (2018)..

Schmidt, T. D. et al. Emitter orientation as a key parameter in organic light-emitting diodes.Phys. Rev. Appl.8, 037001 (2017)..

Kim, K. H.&Kim, J. J. Origin and control of orientation of phosphorescent and TADF dyes for high-efficiency OLEDs.Adv. Mater.30, 1705600 (2018)..

Fleetham, T. et al. Efficient "pure" blue OLEDs employing tetradentate Pt complexes with a narrow spectral bandwidth.Adv. Mater.26, 7116–7121 (2014)..

Pal, A. K. et al. High-efficiency deep-blue-emitting organic light-emitting diodes based on iridium(III) carbene complexes.Adv. Mater.30, 1804231 (2018)..

Ahn, D. H. et al. Highly efficient blue thermally activated delayed fluorescence emitters based on symmetrical and rigid oxygen-bridged boron acceptors.Nat. Photonics13, 540–546 (2019)..

Liu, R. et al. Transient electroluminescence spikes in small molecular organic light-emitting diodes.Phys. Rev. B83, 245302 (2011)..

Bian, M. Y. et al. A combinational molecular design to achieve highly efficient deep-blue electrofluorescence.J. Mater. Chem. C6, 745–753 (2018)..

Schmidbauer, S., Hohenleutner, A.&König, B. Chemical degradation in organic light-emitting devices: mechanisms and implications for the design of new materials.Adv. Mater.25, 2114–2129 (2013)..

Lin, N. et al. Molecular understanding of the chemical stability of organic materials for OLEDs: a comparative study on sulfonyl, phosphine-oxide, and carbonyl-containing host materials.J. Phys. Chem. C118, 7569–7578 (2014)..

Lin, N. et al. Achilles heels of phosphine oxide materials for OLEDs: chemical stability and degradation mechanism of a bipolar phosphine oxide/carbazole hybrid host material.J. Phys. Chem. C116, 19451–19457 (2012)..

Kusamoto, T.&Nishihara, H. Efficiency breakthrough for radical LEDs.Nature563, 480–481 (2018)..

Neese, F. The ORCA program system.Wires Comput. Mol. Sci.2, 73–78 (2012)..

Becke, A. D. Density‐functional thermochemistry. III. The role of exact exchange.J. Chem. Phys.98, 5648–5652 (1993)..

Lee, C., Yang, W. T.&Parr, R. G. Development of the colle-salvetti correlation-energy formula into a functional of the electron density.Phys. Rev. B37, 785–789 (1988)..

Vosko, S. H., Wilk, L.&Nusair, M. Accurate spin-dependent electron liquid correlation energies for local spin density calculations: a critical analysis.Can. J. Phys.58, 1200–1211 (1980)..

Stephens, P. J. et al. Ab initio calculation of vibrational absorption and circular dichroism spectra using density functional force fields.J. Phys. Chem.98, 11623–11627 (1994)..

Weigend, F.&Ahlrichs, R. Balanced basis sets of split valence, triple zeta valence and quadruple zeta valence quality for H to Rn: design and assessment of accuracy.Phys. Chem. Chem. Phys.7, 3297–3305 (2005)..

Andrae, D. et al. Energy-adjustedab initio pseudopotentials for the second and third row transition elements.Theor. Chim. Acta77, 123–141 (1990)..

Schäfer, A., Horn, H.&Ahlrichs, R. Fully optimized contracted Gaussian basis sets for atoms Li to Kr.J. Chem. Phys.97, 2571–2577 (1992)..

Neese, F. et al. Efficient, approximate and parallel Hartree–Fock and hybrid DFT calculations. A 'chain-of-spheres' algorithm for the Hartree–Fock exchange.Chem. Phys.356, 98–109 (2009)..

Weigend, F. Accurate Coulomb-fitting basis sets for H to Rn.Phys. Chem. Chem. Phys.8, 1057–1065 (2006)..

Grimme, S., Ehrlich, S.&Goerigk, L. Effect of the damping function in dispersion corrected density functional theory.J. Comput. Chem.32, 1456–1465 (2011)..

Grimme, S. Accurate description of van der Waals complexes by density functional theory including empirical corrections.J. Comput. Chem.25, 1463–1473 (2004)..

Grimme, S. Semiempirical GGA-type density functional constructed with a long-range dispersion correction.J. Comput. Chem.27, 1787–1799 (2006)..

Grimme, S. et al. A consistent and accurate ab initio parametrization of density functional dispersion correction (DFT-D) for the 94 elements H-Pu.J. Chem. Phys.132, 154104 (2010)..

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Deep-blue organic light-emitting diodes based on a doublet d–f transition cerium(III) complex with 100% exciton utilization efficiency

DOI：10.1038/s41377-020-00395-4

摘要

Abstract

关键词

Keywords

references