Multifunctional light, data device, or combination and systems
Embodiments of the present disclosure provide devices and systems including a material including a halide perovskite and/or phosphor to produce and/or communicate using visible light, and the like.
1. A device, comprising:
an excitation source; and
a material including halide perovskite nanocrystals,
wherein the excitation source emits a first light energy,
wherein the material absorbs the first light energy from the excitation source and emits a second light energy at a wavelength in the visible range, and
wherein the first light energy and the second light energy are at different wavelengths.
2. The device of claim 1 , wherein the halide perovskite nanocrystals are AMX 3 , wherein A is an organic or inorganic cation, M is a divalent cation selected from the group consisting of: Pb and Sn, and X is selected from a halide.
3. The device of claim 1 , wherein the halide perovskite nanocrystals are selected from the group consisting of: MAPbI 3 , MAPbBr 3 , FAPbBr 3 , FAPbI 3 , MAPbCl 3 , FAPbCl 3 , CsPbI 3 , CsPbCl 3 , CsPbBr 3 , FASnI 3 , FASnBr 3 , FASnCl 3 , MASnI 3 , MASnBr 3 , and MASnCl 3 , CsSnl 3 , CsSnBr 3 , CsSnCl 3 wherein MA is methylammonium and FA is formamidinium.
4. The device of claim 1 , wherein the excitation source is a blue laser diode or blue LED.
5. The device of claim 1 , wherein the material is a solid mixture of the halide perovskite nanocrystals, and phosphor.
6. The device of claim 1 , wherein the material is a mixture of the halide perovskite nanocrystals and a phosphor encapsulated in a polymer.
7. The device of claim 6 , wherein the polymer is selected from the group consisting of: polyurethanes, latex rubbers, silicon rubbers, other rubbers, polyvinylchloride (PVC), vinyl polymers, polyesters, polyacrylates, polyamides, biopolymers, polyolefines, thermoplastic elastomers, styrene block copolymers, and polyether block amid.
8. The device of claim 5 , wherein the phosphor is selected from the group consisting of: oxides, nitrides, oxynitrides, sulfides, oxysuifides, selenides, halides, oxyhalides, silicates, aluminates, fluoride, phosphates, garnets and scheelites of cerium, dysprosium, erbium, europium, gadolinium, holmium, lanthanum, lutetium, neodymium, praseodymium, promethium, samarium, scandium, terbium, thulium, ytterbium and yttrium.
9. The device of claim 5 , wherein the phosphor is a quantum dots.
10. The device of claim 1 , wherein the halide perovskite nanocrystals have a diameter of about 5 to about 1000 nm.
11. The device of claim 1 , wherein the second light energy is white light that has a color rendering index of about 80-90 and a correlated color temperature of about 2000-4000 K.
12. The device of claim 1 , wherein the second light energy is green and red lights that has FWHM<35 nm and PLQY>80%.
13. The device of claim 1 , wherein the second light energy is red light that has FWHM>35 nm and PLQY>60%.
14. A system, comprising:
an excitation source that emits a first light energy, wherein a modulation of the first light energy encodes a data set, and
a material including halide perovskite nanocrystals,
wherein the material absorbs the first light energy from the excitation source and emits a second light energy at a wavelength in the visible range, wherein the second light energy encodes the data set.
15. The system of claim 14 , further comprising a detector that receives the second light energy.
16. The system of claim 15 , wherein the data set is extracted from the received second light energy.
17. The system of claim 16 , wherein the data set is received at about 1 to 3 Gbit/s.
18. The system of claim 14 , wherein the halide perovskite nanocrystals are AMX 3 , wherein A is an organic cation, M is a divalent cation selected from the group consisting of: Pb and Sn, and X is selected from a halide.
19. The system of claim 14 , wherein the halide perovskite nanocrystals are selected from the group consisting of: MAPbI 3 , MAPbBr 3 , FAPbBr 3 , FAPbI 3 , MAPbCl 3 , MAPbBr 2 Cl, FAPbCl 3 , CsPbI 3 , CsPbCl 3 , CsPbBr 3 , FASnBr 3 , FASnBr 3 , FASnBr 3 , MASnBr 3 , MASnBr 3 , and MASnBr 3 , wherein MA is methylammonium and FA is formamidinium.
20. The system of claim 14 , wherein the excitation source is a blue laser diode or blue LED.
21. The system of claim 14 , wherein the material is a solid mixture of a halide perovskite and a phosphor.
22. The system of claim 14 , wherein the material is a mixture of a halide perovskite and/or a phosphor encapsulated in a polymer.
23. The system of claim 22 , wherein the polymer is selected from the group consisting of: polyurethanes, latex rubbers, silicon rubbers, other rubbers, polyvinylchloride (PVC), vinyl polymers, polyesters, polyacrylates, polyamides, biopolymers, polyolefines, thermoplastic elastomers, styrene block copolymers, and polyether block amid.
24. The system of claim 14 , wherein the phosphor is selected from the group consisting of: oxides, nitrides, oxynitrides, sulfides, oxysuifides, selenides, halides, oxyhalides, silicates, aluminates, fluoride, phosphates, garnets and scheelites of cerium, dysprosium, erbium, europium, gadolinium, holmium, lanthanum, lutetium, neodymium, praseodymium, promethium, samarium, scandium, terbium, thulium, ytterbium and yttrium.
25. The system of claim 14 , wherein the phosphor includes quantum dots.
26. The system of claim 14 , wherein the material further includes a nitride phosphor.
27. The system of claim 26 , wherein the nitride phosphor is a red-emitting nitride phosphor.
28. The system of claim 14 , wherein the halide perovskite nanocrystals have a diameter of about 5 to about 1000 nm.