K₂MnF₆/KHF₂ red phosphor synthesis by a low temperature way for high color rendering index white light emitting diodes

References

• H. M. Zhu et al., Highly efficient non-rare-earth red emitting phosphor for warm white light-emitting diodes, Nat. Commun. 5, 4312 (2014). DOI: 10.1038/ncomms5312.
   PubMed Web of Science ®Google Scholar
• G. G. Li et al. , Recent progress in luminescence tuning of Ce3+ and Eu2+-activated phosphors for pc-WLEDs , Chem. Soc. Rev. 44 (23), 8688 (2015). DOI: 10.1039/c4cs00446a.
   PubMed Web of Science ®Google Scholar
• N. C. George, K. A. Denault, and R. Seshadri, Phosphors for solid-state white lighting, Annu. Rev. Mater. Res. 43 (1), 481 (2013). DOI: 10.1146/annurev-matsci-073012-125702.
   Web of Science ®Google Scholar
• Z. G. Xia, and A. Meijerink, Ce3+-Doped garnet phosphors: composition modification, luminescence properties and applications, Chem. Soc. Rev. 46 (1), 275 (2017). DOI: 10.1039/c6cs00551a.
   PubMed Web of Science ®Google Scholar
• S. S. Liang et al., An efficient rare-earth free deep red emitting phosphor for improving the color rendering of white light-emitting diodes, J. Mater. Chem. C. 5 (11), 2927 (2017). DOI: 10.1039/C6TC05499D.
   Web of Science ®Google Scholar
• H. D. Nguyen, C. C. Lin, and R. S. Liu, Waterproof alkyl phosphate coated fluoride phosphors for optoelectronic materials, Angew. Chem. Int. Ed. Engl. 54 (37), 10862 (2015). DOI: 10.1002/anie.201504791.
   PubMed Web of Science ®Google Scholar
• T. T. Deng et al., The design and preparation of the thermally stable, Mn4+ ion activated, narrow band, red emitting fluoride Na3GaF6:Mn4+ for warm WLED applications, J. Mater. Chem. C. 5 (11), 2910 (2017). DOI: 10.1039/C7TC00011A.
   Web of Science ®Google Scholar
• J. Wang et al., Insights into luminescence quenching and detecting trap distribution in Ba2Si5N8:Eu2+ phosphor with comprehensive considerations of temperature-dependent luminescence behaviors, J. Mater. Chem. C. 3 (37), 9572 (2015). DOI: 10.1039/C5TC01849H.
   Web of Science ®Google Scholar
• S. X. Li et al., New insights into the microstructure of translucent CaAlSiN3: Eu2+ phosphor ceramics for solid-state laser lighting, J. Mater. Chem. C. 5 (5), 1042 (2017). DOI: 10.1039/C6TC04987G.
   Web of Science ®Google Scholar
• B. Wang et al., Non-rare-earth BaMgAl10 − 2xO17:xMn4+,xMg2+: a narrow-band red phosphor for use as a high-power warm w-LED, Chem. Mater. 28 (10), 3515 (2016). DOI: 10.1021/acs.chemmater.6b01303.
   Web of Science ®Google Scholar
• C. X. Liao et al., Synthesis of K2SiF6:Mn4+ phosphor from SiO2 powders via redox reaction in HF/KMnO4 solution and their application in warm-white LED, J. Am. Ceram. Soc. 96 (11), 3552 (2013). DOI: 10.1111/jace.12533.
   Web of Science ®Google Scholar
• L. F. Lv et al., The formation mechanism, improved photoluminescence and LED applications of red phosphor K2SiF6:Mn4+, J. Mater. Chem. C. 2 (20), 3879 (2014). DOI: 10.1039/C4TC00087K.
   PubMed Web of Science ®Google Scholar
• L. L. Wei et al., A low-temperature co-precipitation approach to synthesize fluoride phosphors K2MF6:Mn4+ (M = Ge, Si) for white LED applications, J. Mater. Chem. C. 3 (8), 1655 (2015). DOI: 10.1039/C4TC02551B.
   PubMed Web of Science ®Google Scholar
• Z. L. Wang et al., Red-emitting phosphors Na2XF6:Mn4+ (X = Si, Ge, Ti) with high colour-purity for warm white-light emitting diodes, RSC Adv. 5 (72), 58136 (2015). DOI: 10.1039/C5RA10568D.
   Web of Science ®Google Scholar
• Q. Zhou et al., A new and efficient red phosphor for solid-state lighting: Cs2TiF6:Mn4+, J. Mater. Chem. C. 3 (37), 9615 (2015). DOI: 10.1039/C5TC02290H.
   Web of Science ®Google Scholar
• T. Han et al., Large micro-sized K2TiF6:Mn4+ red phosphors synthesized by a simple reduction reaction for high colour-rendering white light-emitting diodes, RSC Adv. 5 (121), 100054 (2015)., DOI: 10.1039/C5RA16709D.
   Web of Science ®Google Scholar
• L. Y. Wang et al., An efficient and stable narrow band Mn4+-activated fluorotitanate red phosphor Rb2TiF6:Mn4+ for warm white LED applications, J. Mater. Chem. C. 6 (32), 8670 (2018). DOI: 10.1039/C8TC02615G.
   Web of Science ®Google Scholar
• C. Y. Jiang et al., Significantly conquering moisture-induced luminescence quenching of red line-emitting phosphor Rb2SnF6:Mn4+ through H2C2O4 triggered particle surface reduction for blue converted warm white light-emitting diodes, J. Mater. Chem. C. 7 (2), 247 (2019). DOI: 10.1039/C8TC05207G.
   Web of Science ®Google Scholar
• L. Y. Wang et al., Synthesis and warm-white LED applications of an efficient narrow-band red emitting phosphor, Rb2ZrF6:Mn4+, J. Mater. Chem. C. 5 (29), 7253 (2017). DOI: 10.1039/C7TC02196H.
   Web of Science ®Google Scholar
• Y. Liu et al., Co-precipitation synthesis and photoluminescence properties of BaTiF6:Mn4+: an efficient red phosphor for warm white LEDs, J. Mater. Chem. C. 6 (1), 127 (2018). DOI: 10.1039/C7TC04196A.
   Web of Science ®Google Scholar
• Q. Zhou et al., A new red phosphor BaGeF6:Mn4+: hydrothermal synthesis, photo-luminescent properties, and its application in warm white LED devices, J. Mater. Chem. C. 3 (13), 3055 (2015). DOI: 10.1039/C4TC02956A.
   Web of Science ®Google Scholar
• X. L. Gao et al., BaTiF6:Mn4+ bifunctional microstructures with photoluminescence and photocatalysis: hydrothermal synthesis and controlled morphology, CrystEngComm. 18 (31), 5842 (2016). DOI: 10.1039/C6CE01046F.
   Web of Science ®Google Scholar
• X. Y. Jiang et al. , A red phosphor BaTiF6:Mn4+: reaction mechanism, microstructures, optical properties, and applications for white LEDs, Dalton Trans. 43 (25), 9414 (2014). DOI: 10.1039/c4dt00781f.
   PubMed Web of Science ®Google Scholar
• X. Y. Jiang et al., Hydrothermal synthesis and photoluminescence properties of red phosphor BaSiF6:Mn4+ for LED applications, J. Mater. Chem. C. 2 (13), 2301 (2014). DOI: 10.1039/c3tc31878h.
   PubMed Web of Science ®Google Scholar
• T. T. Deng et al., Stable narrowband red phosphor K3GaF6:Mn4+ derived from hydrous K2GaF5(H2O) and K2MnF6, J. Mater. Chem. C. 5 (37), 9588 (2017). DOI: 10.1039/C7TC03116E.
   Web of Science ®Google Scholar
• E. H. Song et al., Highly efficient and thermally stable K3AlF6:Mn4+ as a red phosphor for ultra-high-performance warm white light-emitting diodes, ACS Appl. Mater. Interf. 9 (10), 8805 (2017). DOI: 10.1021/acsami.7b00749.
   PubMed Web of Science ®Google Scholar
• C. Y. Jiang et al., The electronic and optical properties of a narrowband red-emitting nanophosphor K2NaGaF6:Mn4+ for warm white light-emitting diodes, J. Mater. Chem. C. 6 (12), 3016 (2018). DOI: 10.1039/C7TC05098D.
   Web of Science ®Google Scholar
• E. H. Song et al., Room-temperature synthesis and warm-white LED applications of Mn4+ ion doped fluoroaluminate red phosphor Na3AlF6:Mn4+, J. Mater. Chem. C. 4 (13), 2480 (2016). DOI: 10.1039/C6TC00502K.
   Web of Science ®Google Scholar
• Z. Y. Hou et al., A green synthetic route to the highly efficient K2SiF6:Mn4+ narrow-band red phosphor for warm white light-emitting diodes, J. Mater. Chem. C. 6 (11), 2741 (2018). DOI: 10.1039/C8TC00133B.
   Web of Science ®Google Scholar
• J. Zhou et al., Photoluminescence tuning via energy transfer in Eu-doped Ba2(Gd,Tb)2Si4O13 solid-solution phosphors, RSC Adv. 6 (3), 2046 (2016). DOI: 10.1039/C5RA23373A.
   Web of Science ®Google Scholar
• Y. W. Zhu et al., Hydrothermal synthesis, morphology and photoluminescent properties of an Mn4+-doped novel red fluoride phosphor elpasolite K2LiAlF6, J. Mater. Chem. C. 4 (24), 5690 (2016). DOI: 10.1039/C6TC01366J.
   Web of Science ®Google Scholar
• G. X. Jiang et al., High quantum efficiency far red emission from double perovskite structured CaLaMgMO6:Mn4+ (M = Nb, Ta) phosphor for UV-based light emitting diodes application, Opt. Mater. 83, 93 (2018). DOI: 10.1016/j.optmat.2018.05.074.
   Web of Science ®Google Scholar