Table 1 Some known band gap reference values of perovskite crystals.

From: High-throughput screening of stable and efficient double inorganic halide perovskite materials by DFT

Name

This result

Reference

Name

This result

Reference

Cs2SeCl6

2.99

2.95 eV44

Cs2HfBr6

3.30

3.3 eV46

Cs2TeCl6

3.07

3.10 eV44

Cs2HfI6

2.23

2.18 eV46

Cs2SeBr6

1.68

2.64 eV 45

Cs2HfCl6

4.226

4.12 eV46

Cs2SeI6

1.394

1.15 eV 45

Cs2ZrI6

1.856

1.92 eV47