[1] Garcia de Arquer F P, Talapin D V, Klimov V I, et al. Semiconductor quantum dots: Technological progress and future challenges [J]. Science, 2021, 373(6555): 640.
[2] Zhang F, Song J, Han B, et al. High-efficiency pure-color inorganic halide perovskite emitters for ultrahigh-definition displays: Progress for backlighting displays and electrically driven devices [J]. Small Methods, 2018, 2(10): 1700382. doi:  10.1002/smtd.201700382
[3] Dey A, Ye J, De A, et al. State of the art and prospects for halide perovskite nanocrystals [J]. ACS Nano, 2021, 15(7): 10775-10981. doi:  10.1021/acsnano.0c08903
[4] Quan L N, Garcia de Arquer F P, Sabatini R P, et al. Perovskites for light emission [J]. Adv Mater, 2018, 30(45): e1801996. doi:  10.1002/adma.201801996
[5] Zhou G, Su B, Huang J, et al. Broad-band emission in metal halide perovskites: mechanism, materials, and applications [J]. Mater Sci Eng R, 2020, 141: 100548.
[6] Lv W, Li L, Xu M, et al. Improving the stability of metal halide perovskite quantum dots by encapsulation [J]. Adv Mater, 2019, 31(28): e1900682. doi:  10.1002/adma.201900682
[7] Liu X K, Xu W, Bai S, et al. Metal halide perovskites for light-emitting diodes [J]. Nat Mater, 2021, 20(1): 10-21. doi:  10.1038/s41563-020-0784-7
[8] Zhao S, Cai W, Wang H, et al. All-inorganic lead-free perov-skite(-Like) single crystals: Synthesis, properties, and appli-cations [J]. Small Methods, 2021, 5(5): 2001308. doi:  10.1002/smtd.202001308
[9] Yang B, Han K. Ultrafast dynamics of self-trapped excitons in lead-free perovskite nanocrystals [J]. J Phys Chem Lett, 2021, 12(34): 8256-8262. doi:  10.1021/acs.jpclett.1c01828
[10] Li X, Gao X, Zhang X, et al. Lead-free halide perovskites for light emission: Recent advances and perspectives [J]. Adv Sci, 2021, 8(4): 2003334. doi:  10.1002/advs.202003334
[11] Ren A, Wang H, Zhang W, et al. Emerging light-emitting diodes for next-generation data communications [J]. Nat Electron, 2021, 4(8): 559-572. doi:  10.1038/s41928-021-00624-7
[12] Wei Y, Cheng Z, Lin J. An overview on enhancing the stability of lead halide perovskite quantum dots and their applications in phosphor-converted LEDs [J]. Chem Soc Rev, 2019, 48(1): 310-350. doi:  10.1039/C8CS00740C
[13] Deng Y, Lin X, Fang W, et al. Deciphering exciton-generation processes in quantum-dot electroluminescence [J]. Nat Commun, 2020, 11(1): 2309. doi:  10.1038/s41467-020-15944-z
[14] Wang X, Zhang T, Lou Y, et al. All-inorganic lead-free perovskites for optoelectronic applications [J]. Mater Chem Front, 2019, 3(3): 365-375. doi:  10.1039/C8QM00611C
[15] Chouhan L, Ghimire S, Subrahmanyam C, et al. Synthesis, optoelectronic properties and applications of halide perovskites [J]. Chem Soc Rev, 2020, 49(10): 2869-2885. doi:  10.1039/C9CS00848A
[16] Fu Y, Zhu H, Chen J, et al. Metal halide perovskite nanostructures for optoelectronic applications and the study of physical properties [J]. Nat Rev Mater, 2019, 4(3): 169-188. doi:  10.1038/s41578-019-0080-9
[17] Nie Z, Gao X, Ren Y, et al. Harnessing hot phonon bottleneck in metal halide perovskite nanocrystals via interfacial electron-phonon coupling [J]. Nano Lett, 2020, 20(6): 4610-4617. doi:  10.1021/acs.nanolett.0c01452
[18] Ren Y, Nie Z, Deng F, et al. Deciphering the excited-state dynamics and multicarrier interactions in perovskite core-shell type hetero-nanocrystals [J]. Nanoscale, 2021, 13(1): 292-299. doi:  10.1039/D0NR06884E
[19] Zhao S, Zhang Y, Zang Z. Room-temperature doping of ytterbium into efficient near-infrared emission CsPbBr1.5Cl1.5 perovskite quantum dots [J]. Chem Commun, 2020, 56(43): 5811-5814. doi:  10.1039/D0CC01193B
[20] Li X, Wu Y, Zhang S, et al. CsPbX3 quantum dots for lighting and displays: Room-temperature synthesis, photoluminescence superiorities, underlying origins and white light-emitting diodes [J]. Adv Funct Mater, 2016, 26(15): 2435-2445. doi:  10.1002/adfm.201600109
[21] Fang F, Chen W, Li Y, et al. Employing polar solvent controlled ionization in precursors for synthesis of high-quality inorganic perovskite nanocrystals at room temperature [J]. Adv Funct Mater, 2018, 28(10): 1706000. doi:  10.1002/adfm.201706000
[22] Li G, Wang H, Zhang T, et al. Solvent-polarity-engineered controllable synthesis of highly fluorescent cesium lead halide perovskite quantum dots and their use in white light-emitting diodes [J]. Adv Funct Mater, 2016, 26(46): 8478-8486. doi:  10.1002/adfm.201603734
[23] Zhang Y, Li G, She C, et al. Room temperature preparation of highly stable cesium lead halide perovskite nanocrystals by ligand modification for white light-emitting diodes [J]. Nano Res, 2021, 14(8): 2770-2775. doi:  10.1007/s12274-021-3283-5
[24] Li F, Liu Y, Wang H, et al. Postsynthetic surface trap removal of CsPbX3(X=Cl, Br, or I) quantum dots via a ZnX2/hexane solu-tion toward an enhanced luminescence quantum yield [J]. Chem Mater, 2018, 30(23): 8546-8554. doi:  10.1021/acs.chemmater.8b03442
[25] Lin H, Wei Q, Ng K W, et al. Stable and efficient blue-emitting CsPbBr3 nanoplatelets with potassium bromide surface passivation [J]. Small, 2021, 17(43): e2101359. doi:  10.1002/smll.202101359
[26] Sun C, Zhang Y, Ruan C, et al. Efficient and stable white LEDs with silica-coated inorganic perovskite quantum dots [J]. Adv Mater, 2016, 28(45): 10088-10094. doi:  10.1002/adma.201603081
[27] Guan H, Zhao S, Wang H, et al. Room temperature synthesis of stable single silica-coated CsPbBr3 quantum dots combining tunable red emission of Ag-In-Zn-S for High-CRI white light-emitting diodes [J]. Nano Energy, 2020, 67: 104279. doi:  10.1016/j.nanoen.2019.104279
[28] Mo Q, Chen C, Cai W, et al. Room temperature synthesis of stable zirconia‐coated CsPbBr3 nanocrystals for white light‐emitting diodes and visible light communication [J]. Laser Photonics Rev, 2021, 15(10): 2100278. doi:  10.1002/lpor.202100278
[29] Hu H, Wu L, Tan Y, et al. Interfacial synthesis of highly stable CsPbX3/oxide Janus nanoparticles [J]. J Am Chem Soc, 2018, 140(1): 406-412. doi:  10.1021/jacs.7b11003
[30] Imran M, Mai B T, Goldoni L, et al. Switchable anion exchange in polymer-encapsulated APbX3 nanocrystals delivers stable all-perovskite white emitters [J]. ACS Energy Lett, 2021, 6(8): 2844-2853. doi:  10.1021/acsenergylett.1c01232
[31] Sun J Y, Rabouw F T, Yang X F, et al. Facile two-step synthesis of all-inorganic perovskite CsPbX3(X=Cl, Br, and I) zeolite-Y composite phosphors for potential backlight display application [J]. Adv Funct Mater, 2017, 27(45): 1704371. doi:  10.1002/adfm.201704371
[32] Wang H C, Lin S Y, Tang A C, et al. Mesoporous silica particles integrated with all-inorganic CsPbBr3 perovskite quantum-dot nanocomposites (MP-PQDs) with high stability and wide color gamut used for backlight display [J]. Angew Chem Int Ed, 2016, 55(28): 7924-7929. doi:  10.1002/anie.201603698
[33] Naresh V, Lee N. Zn(II)-doped cesium lead halide perovskite nanocrystals with high quantum yield and wide color tunability for color-conversion light-emitting displays [J]. ACS Appl Nano Mater, 2020, 3(8): 7621-7632. doi:  10.1021/acsanm.0c01254
[34] Liu M, Zhong G, Yin Y, et al. Aluminum-doped cesium lead bromide perovskite nanocrystals with stable blue photo-luminescence used for display backlight [J]. Adv Sci, 2017, 4(11): 1700335. doi:  10.1002/advs.201700335
[35] Xie Y, Peng B, Bravic I, et al. Highly efficient blue-emitting CsPbBr3 perovskite nanocrystals through neodymium doping [J]. Adv Sci, 2020, 7(20): 2001698. doi:  10.1002/advs.202001698
[36] Yan D, Mo Q, Zhao S, et al. Room temperature synthesis of Sn2+ doped highly luminescent CsPbBr3 quantum dots for high CRI white light-emitting diodes [J]. Nanoscale, 2021, 13(21): 9740-9746. doi:  10.1039/D1NR01492G
[37] Tang X, Chen W, Liu Z, et al. Ultrathin, core-shell structured SiO2 coated Mn2+ -doped perovskite quantum dots for bright white light-emitting diodes [J]. Small, 2019, 15(19): e1900484. doi:  10.1002/smll.201900484
[38] Pan G, Bai X, Xu W, et al. Impurity ions codoped cesium lead halide perovskite nanocrystals with bright white light emission toward ultraviolet-white light-emitting diode [J]. ACS Appl Mater Interfaces, 2018, 10(45): 39040-39048. doi:  10.1021/acsami.8b14275
[39] Zhao S, Mo Q, Cai W, et al. Inorganic lead-free cesium copper chlorine nanocrystal for highly efficient and stable warm white light-emitting diodes [J]. Photonics Res, 2021, 9(2): 187. doi:  10.1364/PRJ.409398
[40] Wei J H, Liao J F, Wang X D, et al. All-inorganic lead-free heterometallic Cs4MnBi2Cl12 perovskite single crystal with highly efficient orange emission [J]. Matter, 2020, 3(3): 892-903. doi:  10.1016/j.matt.2020.05.018
[41] Zhao S, Jiang S, Cai W, et al. Intrinsic white-light emission from low-dimensional perovskites for white-light-emitting diodes with high-color-rendering index [J]. Cell Rep Phys Sci, 2021, 2(10): 100585. doi:  https://doi.org/10.1016/j.xcrp.2021.100585
[42] Zhou B, Liu Z, Fang S, et al. Efficient white photoluminescence from self-trapped excitons in Sb3+/Bi3+-codoped Cs2NaInCl6 double perovskites with tunable dual-emission [J]. ACS Energy Lett, 2021, 6(9): 3343-3351. doi:  10.1021/acsenergylett.1c01442
[43] Luo J, Wang X, Li S, et al. Efficient and stable emission of warm-white light from lead-free halide double perovskites [J]. Nature, 2018, 563(7732): 541-545. doi:  10.1038/s41586-018-0691-0
[44] Yan D, Shi T, Zang Z, et al. Ultrastable CsPbBr3 perovskite quantum dot and their enhanced amplified spontaneous emission by surface ligand modification [J]. Small, 2019, 15(23): e1901173.
[45] Shao H, Bai X, Cui H, et al. White light emission in Bi3+/Mn2+ ion co-doped CsPbCl3 perovskite nanocrystals [J]. Nanoscale, 2018, 10(3): 1023-1029. doi:  10.1039/C7NR08136G
[46] Jun T, Sim K, Iimura S, et al. Lead-free highly efficient blue-emitting Cs3Cu2I5 with 0 D electronic structure [J]. Adv Mater, 2018, 30(43): e1804547. doi:  10.1002/adma.201804547
[47] Yin H, Kong Q, Zhang R, et al. Lead-free rare-earth double perovskite Cs2AgIn1−γxBixLaγCl6 nanocrystals with highly efficient warm-white emission [J]. Sci China Mater, 2021, 64(11): 2667-2674. doi:  10.1007/s40843-021-1681-7
[48] Cong M, Yang B, Hong F, et al. Self-trapped exciton engineering for white-light emission in colloidal lead-free double perovskite nanocrystals [J]. Sci Bull, 2020, 65(13): 1078-1084. doi:  10.1016/j.scib.2020.03.010
[49] Karmakar A, Bernard G M, Meldrum A, et al. Tailorable indirect to direct band-gap double perovskites with bright white-light emission: Decoding chemical structure using solid-state NMR [J]. J Am Chem Soc, 2020, 142(24): 10780-10793. doi:  10.1021/jacs.0c02198
[50] Yao E P, Yang Z, Meng L, et al. High-brightness blue and white LEDs based on inorganic perovskite nanocrystals and their composites [J]. Adv Mater, 2017, 23: 1606859. doi:  https://doi.org/10.1002/adma.201606859
[51] Mao J, Lin H, Ye F, et al. All-perovskite emission architecture for white light-emitting diodes [J]. ACS Nano, 2018, 12(10): 10486-10492. doi:  10.1021/acsnano.8b06196
[52] Sun R, Lu P, Zhou D, et al. Samarium-doped metal halide perovskite nanocrystals for single-component electroluminescent white light-emitting diodes [J]. ACS Energy Lett, 2020, 5(7): 2131-2139. doi:  10.1021/acsenergylett.0c00931
[53] Chen J, Wang J, Xu X, et al. Efficient and bright white light-emitting diodes based on single-layer heterophase halide perovskites [J]. Nat Photon, 2020, 15(3): 238-244. doi:  https://doi.org/10.1038/s41566-020-00743-1
[54] Ma Z, Shi Z, Yang D, et al. High color-rendering index and stable white light-emitting diodes by assembling two broadband emissive self-trapped excitons [J]. Adv Mater, 2021, 33(2): e2001367. doi:  10.1002/adma.202001367
[55] Chen H, Zhu L, Xue C, et al. Efficient and bright warm-white electroluminescence from lead-free metal halides [J]. Nat Commun, 2021, 12(1): 1421. doi:  10.1038/s41467-021-21638-x
[56] Dursun I, Shen C, Parida M R, et al. Perovskite nanocrystals as a color converter for visible light communication [J]. ACS Photonics, 2016, 3(7): 1150-1156. doi:  10.1021/acsphotonics.6b00187
[57] Mei S, Liu X, Zhang W, et al. High-bandwidth white-light system combining a micro-LED with perovskite quantum dots for visible light communication [J]. ACS Appl Mater Interfaces, 2018, 10(6): 5641-5648. doi:  10.1021/acsami.7b17810
[58] Li X, Cai W, Guan H, et al. Highly stable CsPbBr3 quantum dots by silica-coating and ligand modification for white light-emitting diodes and visible light communication [J]. Chem Eng J, 2021, 419: 129551. doi:  https://doi.org/10.1016/j.cej.2021.129551
[59] Wang Z, Wei Z, Cai W, et al. Encapsulation-enabled perovskite−PMMA films combining a micro-LED for high-speed white-light communication [J]. ACS Appl Mater Interfaces, 2021, 13(45): 54143-54151. doi:  10.1021/acsami.1c15873
[60] Zhao S, Chen C, Cai Y, et al. Efficiently luminescent and stable lead-free Cs3Cu2Cl5@silica nanocrystals for white light-emitting diodes and communication [J]. Adv Opt Mater, 2021, 9(13): 2100307. doi:  10.1002/adom.202100307
[61] Ma Z, Li X, Zhang C, et al. CsPb(Br/I)3 perovskite nanocrystals for hybrid GaN-based high-bandwidth white light-emitting diodes [J]. ACS Appl Nano Mater, 2021, 4(8): 8383-8389. doi:  10.1021/acsanm.1c01604