Optical and electrical properties of perovskite microrods

Abstract

Organic‐inorganic perovskites have become widely studied materials for their superior optoelectronic applications. This research reports the synthesis of CH3NH3PbI3 perovskite microrods via one‐step deposition for optoelectronic applications. Crystalline and morphological structure, bond information, optical, and electrical characteristics have been studied. The perovskite microrods showed fine crystalinity with 90 nm–300 nm rod diameter with a high absorption coefficient over 104 cm−1. A very lesser refractive index (1.85–2.00) was observed in the visible region. A comparison among different bandgap measuring techniques has also been demonstrated and up to 5.5 % deviation in measured bandgap was observed.

A‐Site Cation Replacement of Hydrazinium Lead Iodide Perovskites by Borane Ammonium Ions: A DFT Calculation

“…According to the study, the HBPI0 possessed an orthorhombic phase which satisfies the previous report [14] . The lattice parameters of HBPI0 are quite analogous to the ones of MAPI perovskite [18,19] …”

“…[14] The lattice parameters of HBPI0 are quite analogous to the ones of MAPI perovskite. [18,19] It appears that by replacing HA + ion with BA + ion, the structure tends to deform towards the triclinic phase. Due to the length and width variation of BA + from HA + , the lattice parameter of the perovskites decreases in the x and y directions with increasing BA + concentration, whereas it increases in the z-direction.…”

Structural and Morphological Properties of Single and Mixed Halide Pb-Based Perovskites

“…Although all the images show a poor film coverage, which can affect the optical as well as electrical properties of the materials. In order to improve the film coverage, higher DMF content can be used [40]. Advances in Condensed Matter Physics…”