Efficient green InP-based QD-LED by controlling electron injection and leakage – Nature
Won, Y.-H. et al. Highly efficient and stable InP/ZnSe/ZnS quantum dot light-emitting diodes. Nature 575, 634–638 (2019).
Google Scholar
Kim, T. et al. Efficient and stable blue quantum dot light-emitting diode. Nature 586, 385–389 (2020).
Google Scholar
Chao, W.-C. et al. High efficiency green InP quantum dot light-emitting diodes by balancing electron and hole mobility. Commun. Mater. 2, 96 (2021).
Google Scholar
Wu, Q. et al. Quasi‐shell‐growth strategy achieves stable and efficient green InP quantum dot light‐emitting diodes. Adv. Sci. 9, 2200959 (2022).
Google Scholar
Colvin, V. L., Schlamp, M. C. & Alivisatos, A. P. Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer. Nature 370, 354–357 (1994).
Google Scholar
Coe, S., Woo, W.-K., Bawendi, M. & Bulović, V. Electroluminescence from single monolayers of nanocrystals in molecular organic devices. Nature 420, 800–803 (2002).
Google Scholar
Dai, X. et al. Solution-processed, high-performance light-emitting diodes based on quantum dots. Nature 515, 96–99 (2014).
Google Scholar
García de Arquer, F. P. et al. Semiconductor quantum dots: technological progress and future challenges. Science 373, eaaz8541 (2021).
Google Scholar
Deng, Y. et al. Solution-processed green and blue quantum-dot light-emitting diodes with eliminated charge leakage. Nat. Photon. 16, 505–511 (2022).
Google Scholar
Xu, H. et al. Dipole–dipole-interaction-assisted self-assembly of quantum dots for highly efficient light-emitting diodes. Nat. Photon. 18, 186–191 (2024).
Meng, T. et al. Ultrahigh-resolution quantum-dot light-emitting diodes. Nat. Photon. 16, 297–303 (2022).
Google Scholar
Dai, X., Deng, Y., Peng, X. & Jin, Y. Quantum‐dot light‐emitting diodes for large‐area displays: towards the dawn of commercialization. Adv. Mater. 29, 1607022 (2017).
Google Scholar
Madelung, O. Semiconductors: Group IV Elements and III-V Compounds (Springer Science & Business Media, 2012).
Yu, P. et al. Highly efficient green InP-based quantum dot light-emitting diodes regulated by inner alloyed shell component. Light Sci. Appl. 11, 162 (2022).
Google Scholar
Li, B., Tang, B., Fan, F. & Du, J. Transient absorption spectrometer using excitation by pulse current. CN Patent CN112683797B (2021).
Gao, Y. et al. Minimizing heat generation in quantum dot light-emitting diodes by increasing quasi-Fermi-level splitting. Nat. Nanotechnol. 18, 1168–1174 (2023).
Google Scholar
Klimov, V. I., Mikhailovsky, A. A., McBranch, D., Leatherdale, C. A. & Bawendi, M. G. Quantization of multiparticle Auger rates in semiconductor quantum dots. Science 287, 1011–1013 (2000).
Google Scholar
Klimov, V. I. Optical nonlinearities and ultrafast carrier dynamics in semiconductor nanocrystals. J. Phys. Chem. B 104, 6112–6123 (2000).
Google Scholar
Livache, C. et al. High-efficiency photoemission from magnetically doped quantum dots driven by multi-step spin-exchange Auger ionization. Nat. Photon. 16, 433–440 (2022).
Google Scholar
Karpov, S. ABC-model for interpretation of internal quantum efficiency and its droop in III-nitride LEDs: a review. Opt. Quantum Electron. 47, 1293–1303 (2015).
Google Scholar
Ishioka, K., Barker, B. G. Jr, Yanagida, M., Shirai, Y. & Miyano, K. Direct observation of ultrafast hole injection from lead halide perovskite by differential transient transmission spectroscopy. J. Phys. Chem. Lett. 8, 3902–3907 (2017).
Google Scholar
Yang, K., East, J. R. & Haddad, G. I. Numerical modeling of abrupt heterojunctions using a thermionic-field emission boundary condition. Solid State Electron. 36, 321–330 (1993).
Google Scholar
Walker, A., Kambili, A. & Martin, S. Electrical transport modelling in organic electroluminescent devices. J. Phys. Condens. Matter 14, 9825 (2002).
Google Scholar
Jung, S.-M. et al. Modelling charge transport and electro-optical characteristics of quantum dot light-emitting diodes. npj Comput. Mater. 7, 122 (2021).
Google Scholar
Burrows, P. & Forrest, S. Electroluminescence from trap‐limited current transport in vacuum deposited organic light emitting devices. Appl. Phys. Lett. 64, 2285–2287 (1994).
Google Scholar
Scholz, S., Kondakov, D., Lussem, B. & Leo, K. Degradation mechanisms and reactions in organic light-emitting devices. Chem. Rev. 115, 8449–8503 (2015).
Google Scholar
Mude, N. N., Khan, Y., Thuy, T. T., Walker, B. & Kwon, J. H. Stable ZnS electron transport layer for high-performance inverted cadmium-free quantum dot light-emitting diodes. ACS Appl. Mater. Interfaces 14, 55925–55932 (2022).
Google Scholar
Zhang, H. et al. High-efficiency green InP quantum dot-based electroluminescent device comprising thick-shell quantum dots. Adv. Opt. Mater. 7, 1801602 (2019).
Google Scholar
Moon, H. et al. Composition-tailored ZnMgO nanoparticles for electron transport layers of highly efficient and bright InP-based quantum dot light emitting diodes. Chem. Commun. 55, 13299–13302 (2019).
Google Scholar
Iwasaki, Y., Motomura, G., Ogura, K. & Tsuzuki, T. Efficient green InP quantum dot light-emitting diodes using suitable organic electron-transporting materials. Appl. Phys. Lett. 117, 111104 (2020).
Google Scholar
Gao, P., Zhang, Y., Qi, P. & Chen, S. Efficient InP green quantum-dot light-emitting diodes based on organic electron transport layer. Adv. Opt. Mater. 10, 2202066 (2022).
Google Scholar
Li, L. et al. Efficient and bright green InP quantum dot light-emitting diodes enabled by a self-assembled dipole interface monolayer. Nanoscale 15, 2837–2842 (2023).
Google Scholar
Zhang, T. et al. Understanding and hindering the electron leakage in green InP quantum-dot light-emitting diodes. Adv. Photon. Res. 4, 2300146 (2023).
Google Scholar
Wu, Q. et al. Bridging chloride anions enables efficient and stable InP green quantum-dot light-emitting diodes. Adv. Opt. Mater. 11, 2300659 (2023).
Google Scholar
Shin, S. et al. Fluoride-free synthesis strategy for luminescent InP cores and effective shelling processes via combinational precursor chemistry. Chem. Eng. J. 466, 143223 (2023).
Google Scholar
Wang, L., Fan, Z., Liu, D., Zhang, Z. & Zou, B. Modified charge injection in green InP quantum dot light-emitting diodes utilizing a plasma-enhanced NiO buffer layer. J. Phys. Chem. C 128, 3985–3993 (2024).
Google Scholar
Zhang, T. et al. Electric dipole modulation for boosting carrier recombination in green InP QLEDs under strong electron injection. Nanoscale Adv. 5, 385–392 (2023).
Google Scholar
Wang, Y. et al. Boosting the efficiency and stability of green InP quantum dot light emitting diodes by interface dipole modulation. J. Mater. Chem. C 10, 8192 (2022).
Google Scholar
Taylor, D. A. et al. Importance of surface functionalization and purification for narrow FWHM and bright green-emitting InP core-multishell quantum dots via a two-step growth process. Chem. Mater. 33, 4399–4407 (2021).
Google Scholar
Hunsche, S., Dekorsy, T., Klimov, V. & Kurz, H. Ultrafast dynamics of carrier-induced absorption changes in highly-excited CdSe nanocrystals. Appl. Phys. B 62, 3–10 (1996).
Google Scholar
Kumar, B., Campbell, S. A. & Paul Ruden, P. Modeling charge transport in quantum dot light emitting devices with NiO and ZnO transport layers and Si quantum dots. J. Appl. Phys. 114, 044507 (2013).
Gao, X. & Yee, S. S. Hole capture cross section and emission coefficient of defect centers related to high-field-induced positive charges in SiO2 layers. Solid State Electron. 39, 399–403 (1996).
Google Scholar
Bian, Y. et al. Datasets for ‘Efficient green InP-based QD-LED by controlling electron injection and leakage’. Figshare https://doi.org/10.6084/m9.figshare.27682983 (2024).
Lee, T. et al. Highly efficient and bright inverted top-emitting InP quantum dot light-emitting diodes introducing a hole-suppressing interlayer. Small 15, 1905162 (2019).
Kim, J. et al. Realization of highly efficient InP quantum dot light-emitting diodes through in-depth investigation of exciton-harvesting layers. Adv. Opt. Mater. 11, 2300088 (2023).
Lee, S. H. et al. ZnSeTe quantum dots as an alternative to InP and their high-efficiency electroluminescence. Chem. Mater. 32, 5768–5775 (2020).
Yoon, S. Y. et al. Highly emissive green ZnSeTe quantum dots: effects of core size on their optical properties and comparison with InP counterparts. ACS Energy Lett. 8, 1131–1140 (2023).
Sun, L. et al. Efficient and stable multi‐color emissions of the coumarin modified Cs3LnCl6 lead‐free perovskite nanocrystals and led application. Adv. Mater. 36, 2310065 (2024).