Exploring In${}_2$(Se${}_{1-x}$Te${}_x$)${}_3$ alloys as photovoltaic materials

Wei Li, Xuefen Cai, Nicholas Valdes +4

In${}_2$Se${}_3$ in the three-dimensional (3D) hexagonal crystal structure with space group $P{6}_1$ ($\gamma$-In${}_2$Se${}_3$) has a direct band gap of $\sim$1.8 eV and high absorption coeffici…