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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on ZnCu2SnS4 by Materials Project

Cu2ZnSnS4 is Stannite structured and crystallizes in the tetragonal I-42m space group. The structure is three-dimensional. Cu1+ is bonded to four equivalent S2- atoms to form CuS4 tetrahedra that share corners with four equivalent CuS4 tetrahedra, corners with four equivalent ZnS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. All Cu–S bond lengths are 2.31 Å. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. All Zn–S bond lengths are 2.37 Å. Sn4+ is bonded to four equivalent S2- atoms to form SnS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. All Sn–S bond lengths are 2.47 Å. S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCu2SnS4 by Materials Project

Cu2ZnSnS4 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. there are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four equivalent S2- atoms to form CuS4 tetrahedra that share corners with four equivalent CuS4 tetrahedra, corners with four equivalent ZnS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. All Cu–S bond lengths are 2.32 Å. In the second Cu1+ site, Cu1+ is bonded to four equivalent S2- atoms to form CuS4 tetrahedra that share corners with four equivalent CuS4 tetrahedra, corners with four equivalent ZnS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. All Cu–S bond lengths are 2.31 Å. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight CuS4 tetrahedra. All Zn–S bond lengths are 2.37 Å. Sn4+ is bonded to four equivalent S2- atoms to form SnS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with eight CuS4 tetrahedra. All Sn–S bond lengths are 2.47 Å. S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCu2SnS4 by Materials Project

Cu2ZnSnS4 is Stannite-like structured and crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four equivalent CuS4 tetrahedra, corners with four equivalent ZnS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. There are three shorter (2.32 Å) and one longer (2.34 Å) Cu–S bond lengths. Zn2+ is bonded to four S2- atoms to form ZnS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. There are a spread of Zn–S bond distances ranging from 2.36–2.39 Å. Sn4+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. There are three shorter (2.47 Å) and one longer (2.48 Å) Sn–S bond lengths. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra. In the second S2- site, S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra. In the third S2- site, S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗