| 摘要 |
Luminescent materials and the use of such materials in anti-counterfeiting, inventory, photovoltaic, and other applications are described herein. In one embodiment, a method of forming a luminescent material includes: (1) providing a source of A and X, wherein A is selected from at least one of elements of Group 1, and X is selected from at least one of elements of Group 17; (2) providing a source of B, wherein B is selected from at least one of elements of Group 14; (3) subjecting the source of A and X and the source of B to vacuum deposition to form a set of films adjacent to a substrate; and (4) heating the set of films to a temperature in the range of 120° C. to 350° C. to form a luminescent material adjacent to the substrate, wherein the luminescent material includes A, B, and X. |
| 主权项 |
1. A method of forming a luminescent material, comprising:
providing a first compound having the formula: AX, wherein A is cesium, and X is iodine; providing a second compound of B and Y, wherein B is tin, and Y is selected from at least one of oxygen, fluorine, chlorine, bromine, nitrate, thiocyanate, hypochlorite, sulfate, orthophosphate, metaphosphate, oxalate, methanesulfonate, trifluoromethanesulfonate, and pyrophosphate; depositing the first compound and the second compound on a substrate to form at least one film on the substrate; and heating the at least one film to a temperature sufficient to react the first compound and the second compound to form a luminescent material, wherein the luminescent material has the formula: [AaBbXx][dopants], wherein a is 1, b is in the range of 1 to 3, x is in the range of 3 to 7, and the dopants are derived from Y and are included in a non-zero amount less than 5 percent in terms of elemental composition. |
