A DFT study of the electronic, optical and topological properties of free and biaxially strained CuIn1−xAlxSe2

02 engineering and technology 0210 nano-technology 7. Clean energy
DOI: 10.1039/c9tc00277d Publication Date: 2019-04-16T15:22:10Z
ABSTRACT
Among the CuIn<sub>1−x</sub>Al<sub>x</sub>Se<sub>2</sub>alloys, that with<italic>x</italic>= 0.25 is optimal one in terms of band gap and conversion efficiency. Its absorption coefficient highly modified under biaxial strains occur thin films.
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