Patent ID: 11943993
Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
Field: nan (nan)
Classification: CPC H  Y | IPC H

Claim 17:
18. A process according to claim 1, wherein the crystalline A/M/X material comprises:
a perovskite compound of formula CH3NH3PbI3, CH3NH3PbBr3, CH3NH3PbCl3, CH3NH3PbF3, CH3NH3PbBrxI3-x, CH3NH3PbBrxCl3-x, CH3NH3PbIxBr3-x, CH3NH3PbIxCl3-x, CH3NH3PbClxF3-x, CH3NH3PbI3-xFx, CH3NH3SnI3, CH3NH3SnBr3, CH3NH3SnCl3, CH3NH3SnF3, CH3NH3SnBrI2, CH3NH3SnBrxI3-x, CH3NH3SnBrxCl3-x, CH3NH3SnF3-x Brx, CH3NH3SnIxBr3-x, CH3NH3SnIxCl3-x, CH3NH3SnF3-x Ix, CH3NH3SnClxBr3-x, CH3NH3SnI3-xClx, CH3NH3SnF3-xClx, CH3NH3CuI3, CH3NH3CuBr3, CH3NH3CuCl3, CH3NH3CuF3, CH3NH3CuBrI2, CH3NH3CuBrxI3-x, CH3NH3CuBrxCl3-x, CH3NH3CuF3-x Brx, CH3NH3CuIxBr3-x, CH3NH3CuIxCl3-x, CH3NH3CuF3-xIx, CH3NH3CuClxBr3-x, CH3NH3CuI3-xClx, or CH3NH3CuF3-xClx where x is from 0 to 3;
a perovskite compound of formula (H2N—C(H)═NH2)PbI3, (H2N—C(H)═NH2)PbBr3, (H2N—C(H)═NH2)(H2N—C(H)═NH2)PbCl3, (H2N—C(H)═NH2)PbF3, (H2N—C(H)═NH2)PbBrxI3-x, (H2N—C(H)═NH2)PbBrxCl3-x, (H2N—C(H)═NH2)PbIxBr3-x, (H2N—C(H)═NH2)PbIxCl3-x, (H2N—C(H)═NH2)PbClxF3-x, (H2N—C(H)═NH2)PbI3-xFx, (H2N—C(H)═NH2)SnI3, (H2N—C(H)═NH2)SnBr3, (H2N—C(H)═NH2)SnCl3, (H2N—C(H)═NH2)SnF3, (H2N—C(H)═NH2)SnBrI2, (H2N—C(H)═NH2)SnBrxI3-x, (H2N—C(H)═NH2)SnBrxCl3-x, (H2N—C(H)═NH2)SnF3-xBrx, (H2N—C(H)═NH2)SnIxBr3-x, (H2N—C(H)═NH2)SnIxCl3-x, (H2N—C(H)═NH2)SnF3-xIx, (H2N—C(H)═NH2)SnClxBr3-x, (H2N—C(H)═NH2)SnI3-xClx, (H2N—C(H)═NH2)SnF3-x Clx, (H2N—C(H)═NH2)CuI3, (H2N—C(H)═NH2)CuBr3, (H2N—C(H)═NH2)CuCl3, (H2N—C(H)═NH2)CuF3, (H2N—C(H)═NH2)CuBrI2, (H2N—C(H)═NH2)CuBrxI3-x, (H2N—C(H)═NH2)CuBrxCl3-x, (H2N—C(H)═NH2)CuF3-xBrx, (H2N—C(H)═NH2)CuIxBr3-x, (H2N—C(H)═NH2)CuIxC3-x, (H2N—C(H)═NH2)CuF3-xIx, (H2N—C(H)═NH2)CuClxBr3-x, (H2N—C(H)═NH2)CuI3-xClx, or (H2N—C(H)═NH2)CuF3-xClx where x is from 0 to 3; or
a perovskite compound of formula (H2N—C(H)═NH2)yCs1-yPbI3, (H2N—C(H)═NH2)yCs1-yPbBr3, (H2N—C(H)═NH2)yCs1-yPbCl3, (H2N—C(H)═NH2)yCs1-yPbF3, (H2N—C(H)═NH2)yCs1-7PbBrxI3-x, (H2N—C(H)═NH2)yCs1-yPbBrxCl3-x, (H2N—C(H)═NH2)yCs1-7PbIxBr3-x, (H2N—C(H)═NH2)yCs1-yPbIxF3-x, (H2N—C(H)═NH2)yCs1-yPbClxF3-x, (H2N—C(H)═NH2)yCs1-yPbBr3-xFx, (H2N—C(H)═NH2)yCs1-ySnI3, (H2N—C(H)═NH2)yCs1-ySnBr3, (H2N—C(H)═NH2)yCs1-ySnCl3, (H2N—C(H)═NH2)yCs1-ySnF3, (H2N—C(H)═NH2)yCs1-ySnBrI2, (H2N—C(H)═NH2)yCs1-ySnBrxI3-x, (H2N—C(H)═NH2)yCs1-y SnBrxCl3-x, (H2N—C(H)═NH2)yCs1-ySnF3-x Brx, (H2N—C(H)═NH2)yCs1-ySnIxBr3-x, (H2N—C(H)═NH2)yCs1-ySnIxCl3-x, (H2N—C(H)═NH2)yCs1-ySnF3-xIx, (H2N—C(H)═NH2)yCs1-ySnClx Br3-x, (H2N—C(H)═NH2)yCs1-y(H2N—C(H)═NH2)yCs1-ySnF3-xClx, (H2N—C(H)═NH2)yCs1-yCuI3, (H2N—C(H)═NH2)yCs1-yCuBr3,(H2N—C(H)═NH2)yCs1-yCuCl3,(H2N—C(H)═NH2)yCs1-yCuF3, (H2N—C(H)═NH2)yCs1-yCuBrI2, (H2N—C(H)═NH2)yCs1-yCuBrxI3-x, (H2N—C(H)═NH2)yCs1-yCuBrxCl3-x,(H2N—C(H)═NH2)yCs1-yCuF3-x Brx, (H2N—C(H)═NH2)yCs1-yCuIxBr3-x, (H2N—C(H)═NH2)yCs1-yCuIxCl3-x, (H2N—C(H)═NH2)yCs1-yCuF3-xIx, (H2N—C(H)═NH2)yCs1-yCuClxBr3-x, (H2N—C(H)═NH2)yCs1-yCuI3-xClx, or (H2N—C(H)═NH2)yCs1-yCuF3-xClx where x is from 0 to 3 and y is from 0.1 to 0.9.