Comprehensive first-principles analysis and device simulations of vacancy-ordered D 2 CeX 6 double perovskites for high-efficiency lead-free solar cells

Rifat Rafiu^a, Karim Kriaa^b, Md. Sakib Hasan Saikot^a, Md. Azizur Rahman^c✉, Imtiaz Ahamed Apon^d, Noureddine Sfina^e, Mohd Taukeer Khan^f, Noureddine Ali Elboughdiri^g, Salem A. AlFaify^h, Imtiaz Ahmmed Talukder^c

1. ^aDepartment of Material Science and Engineering, Khulna University of Engineering & Technology (KUET), Khulna 9203, Bangladesh
2. ^bImam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia
3. ^cDepartment of Electrical and Electronic Engineering, Begum Rokeya University, Rangpur, 5400, Bangladesh
4. ^dDepartment of Electrical and Electronic Engineering, Bangladesh Army University of Science and Technology (BAUST), Saidpur 5311, Bangladesh
5. ^eApplied College at Mohayel Assir, King Khalid University, Abha 61413, Saudi Arabia
6. ^fDepartment of Physics, Faculty of Science, Islamic University of Madinah, Al Jamiah, Madinah, 42351, Saudi Arabia
7. ^gChemical Engineering Department, College of Engineering, University of Ha'il, P. O. Box 2440, 81441, Ha'il, Saudi Arabia
8. ^hDepartment of Physics, College of Science, King Khalid University, POST BOX 960, Abha, AlQura'a 61421, Saudi Arabia
9. ✉Corresponding author