A theoretical investigation of the lead-free double perovskites halides Rb2XCl6 (X = Se, Ti) for optoelectronic and thermoelectric applications. - Samah Al-Qaisi; Abdelazim M. Mebed; Muhammad Mushtaq; D. P. Rai; Tahani A. Alrebdi; Rais Ahmad Sheikh; Habib Rached; R. Ahmed; Muhammad Faizan; S. Bouzgarrou; Muhammad Anjum Javed (J. Comput. Chem., 2023)