Indirect-to-direct band gap transition and optical properties of metal alloys of Cs<sub>2</sub>Te<sub>1−x</sub>Ti<sub>x</sub>I<sub>6</sub>: a theoretical study
Diwen Liu, Wenying Zha, Rusheng Yuan, Benyong Lou, Rongjian Sa
Abstract
. Our results also show that these materials possess large absorption coefficients in the visible light region. Our work can provide a route to explore stable, environmentally friendly and high-efficiency light absorbers for use in optoelectronic applications.
Topics & Concepts
Band gapMaterials scienceTransition metalDirect and indirect band gapsOptoelectronicsAnalytical Chemistry (journal)CrystallographyChemistryCatalysisChromatographyBiochemistryPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsOptical properties and cooling technologies in crystalline materials