Thermodynamic stability, phase separation and Ag grading in (Ag,Cu)(In,Ga)Se<sub>2</sub> solar absorbers
Kostiantyn V. Sopiha, Jes K. Larsen, Olivier Donzel‐Gargand, Faraz Khavari, Jan Keller, Marika Edoff, Charlotte Platzer‐Björkman, Clas Persson, Jonathan J. S. Scragg
Abstract
Herein, we prove that (Ag,Cu)(In,Ga)Se<sub>2</sub> alloy system has a wide miscibility gap, which can induce compositional grading and cause phase separation in thin-film solar absorbers.
Topics & Concepts
Materials scienceSpinodal decompositionMiscibilityAlloyThin filmPhase (matter)MetallurgyNanotechnologyComposite materialChemistryPolymerOrganic chemistryChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesCopper-based nanomaterials and applications