High-throughput exploration of triple-cation perovskites via ternary compositionally-graded films

Abstract

A high throughput method of synthesizing and characterizing a multiplicity of ternary compositions is provided, the method comprising: selecting three components; depositing a gradient of a first component along a first axis; depositing a gradient of a second component along a second axis which is normal to the first axis, such that the gradient is thickest at a first end and thinnest at a second end; and depositing a gradient of a third component along the second axis such that the gradient is thickest at the second end and thinnest at the first end to provide a compositional distribution of the multiplicity of ternary compositions; mapping the compositional distribution of each of the multiplicity of ternary compositions; and analyzing each of the multiplicity of ternary compositions, thereby synthesizing and characterizing the multiplicity of ternary compositions.

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