[1] WANG L, XIE R J, SUEHIRO T et al. Down-conversion nitride materials for solid state lighting: recent advances and perspectives[J]. Chemical Reviews, 118, 1951-2009(2018).

[2] ZHAO M, LIAO H X, NING L X et al. Next-generation narrow-band green-emitting RbLi(Li₃SiO₄)₂:Eu²+ phosphor for backlight display application[J]. Advanced Materials, 30, 1802489(2018).

[3] QIAO J W, ZHOU G J, ZHOU Y Y et al. Divalent europium- doped near-infrared-emitting phosphor for light-emitting diodes[J]. Nature Communications, 10, 5267(2019).

[4] ZHAO M, LIAO H, MOLOKEEV M S et al. Emerging ultra- narrow-band cyan-emitting phosphor for white LEDs with enhanced color rendition[J]. Light-Science & Application, 8, 38(2019).

[5] ZHOU Y Y, WANG L Y, DENG T T et al. Recent advances in Mn⁴+-doped fluoride narrow-band red-emitting phosphors[J]. Scientia Sinica Technologica, 47, 1111-1125(2017).

[6] JI H P, ZHANG Z T, XU J et al. Advance in red-emitting Mn⁴+-activated oxyfluoride phosphors[J]. Journal of Inorganic Materials, 35, 847-856(2020).

[7] JI H P, HOU X H, MOLOKEEV M et al. Ultrabroadband red luminescence of Mn⁴+ in MgAl₂O₄ peaking at 651 nm[J]. Dalton Transactions, 49, 5711-5721(2020).

[8] XU Y D, WANG D, WANG L et al. Preparation and luminescent properties of a new red phosphor (Sr₄Al₁₄O₂₅:Mn⁴+) for white LEDs[J]. Journal of Alloys and Compounds, 550, 226-230(2013).

[9] PENG M Y, YIN X W, TANNER P A et al. Orderly-layered tetravalent manganese-doped strontium aluminate Sr₄Al₁₄O₂₅:Mn⁴+: an efficient red phosphor for warm white light emitting diodes[J]. Journal of the American Ceramic Society, 96, 2870-2876(2013).

[10] SASAKI T, FUKUSHIMA J, HAYASHI Y et al. Synthesis and photoluminescence properties of a novel Sr₂Al₆O₁₁:Mn⁴+ red phosphor prepared with a B₂O₃ flux[J]. Journal of Luminescence, 194, 446-451(2018).

[11] WANG X, LI P F, BRIK M G et al. Thermal quenching of Mn⁴+ luminescence in SrAl₁₂O₁₉:Mn⁴+[J]. Journal of Luminescence, 206, 84-90(2019).

[12] WANG B, LIN H, XU J et al. CaMg₂Al₁₆O₂₇:Mn⁴+-based red phosphor: a potential color converter for high-powered warm W-LED[J]. ACS Applied Materials & Interfaces, 6, 22905-22913(2014).

[13] TAO S, HUANG W F, LIU Y S et al. Three-dimensional hollow spheres of the tetragonal-spinel MgMn₂O₄ cathode for high-performance magnesium ion batteries[J]. Journal of Materials Chemistry A, 6, 8210-8214(2018).

[14] ZHONG R X, ZHANG J H, WEI H Z et al. The different luminescent characteristics of MgAl₂O₄:Mn²+ between phosphor powder and nanoparticles[J]. Chemical Physics Letters, 508, 207-209(2011).

[15] SONG E H, ZHOU Y Y, WEI Y et al. A thermally stable narrow- band green-emitting phosphor MgAl₂O₄:Mn²+ for wide color gamut backlight display application[J]. Journal of Materials Chemistry C, 7, 8192-8198(2019).

[16] WAKUI Y, SHAN Y J, TEZUKA K et al. Crystal-site engineering approach for preparation of MgB₂O₄:Mn²+,Mn⁴+(B=Al,Ga) phosphors: control of green/red luminescence properties[J]. Materials Research Bulletin, 90, 51-58(2017).

[17] ZHANG Y L, LIU Y L, YANG L et al. Preparation and luminescence properties of thermally stable Mn⁴+ doped spinel red-emitting ceramic phosphors[J]. Journal of Luminescence, 220, 117016(2020).

[18] CHI N T K, QUANG N V, TUAN N T et al. Deep red emitting MgAl₂O₄:Cr³+ phosphor for solid state lighting[J]. Journal of Electronic Materials, 48, 5891-5899(2019).

[19] ZHANG Y L, HU S, LIU Y L et al. Red-emitting Lu₃Al₅O₁₂:Mn transparent ceramic phosphors: valence state evolution studies of Mn ions[J]. Ceramics International, 44, 23259-23262(2018).

[20] DUAN C J, DELSING A C A, HINTZEN H T. Photoluminescence properties of novel red-emitting Mn²+-activated MZnOS (M= Ca, Ba) phosphors[J]. Chemistry of Materials, 21, 1010-1016(2009).

[21] KÜCK S, HARTUNG S, HURLING S et al. Optical transitions in Mn³+-doped garnets[J]. Physical Review B, 57, 2203-2216(1998).

[22] ZHANG Y L, HU S, LIU Y L et al. Influences of thermal post-treatment on the Mn valence states and luminescence properties of red-emitting Lu₃Al₅O₁₂:Mn⁴+ transparent ceramic phosphors[J]. Optical Materials, 101, 109705(2020).

[23] CHEN L, XUE S, CHEN X et al. The site occupation and valence of Mn ions in the crystal lattice of Sr₄Al₁₄O₂₅ and its deep red emission for high color-rendering white light-emitting diodes[J]. Materials Research Bulletin, 60, 604-611(2014).

[24] XU H, WANG L, MA X et al. A novel Mn(II)-based green phosphor and its self-reduction mechanism[J]. Journal of Luminescence, 194, 303-310(2018).