… solar cells based on hybrid halide perovskites has seen an … : a semiconductor with an optical
band gap in the optimal region of … chemical bonding of hybrid perovskites is discussed here, …

… band gap of metal-halide perovskites, a key design parameter for solar cells, strongly correlates
with a simple structural feature, the largest metal–halide–… Precise band gap engineering …

Hybrid lead-halide perovskite materials have attracted enormous attention due to their
remarkable optoelectronics properties. Within just a few years of research efforts, lead-based …

… band gap of the material along with its photoluminescence lifetime. We demonstrate that larger
crystallites present smaller band gap … , organometal halide perovskites are also emerging …

… for compositional engineering on the B site of halide perovskites—eg, … , we find that the
bandgap reduction is attributed to a … engineering flexibility within the halide perovskite family. …

… defects, and it is not assosiated with band-gap narrowing. Bismuth doping leads to a broadening
… of the band-gap engineering in Bi 3+ -doped CsPbBr 3 halide perovskite is not valid. …

Semiconducting ferroelectricity is realized in hybrid perovskite-type compounds (cyclohexylammonium)
2 PbBr4-4 x I4 x (x= 0-1). By adjusting the composition x, the bandgap is …

… Halide perovskites have attracted great attention owing to their outstanding performance in
… application is impeded by the large bandgap. In this study, the bandgap of 2D Cs 3 Sb 2 I 9 …

… Metal halide perovskites are … bandgap engineering strategies including impurity and pressure
as well as intermediate band (IB) and external electric field (EEF) strategies for perovskite …

In this article two-dimensional Ruddlesden-Popper (2DRP) halide perovskites Cs 2 B(X 1-u
Y u ) 4 where B = Pb, Sn; X/Y = Cl, Br, I; and u = 0, 0.25, 0.5, 0.75, 1 are investigated for …