XRD pattern of PbI2, and perovskite films prepared with …
In this study, we fabricated deep ultraviolet (DUV) photodetectors based on perovskite thin films doped with halide materials using formamidinium bromide (FABr) and methylammonium iodide (MAI). The...
a) XRD patterns of PbI2(DMSO)2, PbI2(DMSO), and PbI2 powders. b) XRD ...
In this work, we use a combination of dispersion-corrected density functional theory (DFT-D3) and the TiberCAD framework for the first time to investigate a newly designed and synthesized class of...
XRD patterns of PbI2 and MAPbI3 perovskite thin films using CuKα ...
The examination of phase, crystallinity, morphology, and opto-electronic properties of the well-structured nanocone arrays is characterized by X-ray diffraction (XRD), scanning electron...
PbI2‐DMSO Assisted In Situ Growth of ... - Wiley Online Library
2022年11月13日 · The PbI 2-DMSO-assisted MAPbI 3 wafer shows higher XRD intensity for the (110) and (220) peaks than the conventional wafer suggesting better crystallinity in line with the SEM images. The steady-state photoluminescence (PL) and time-resolved photoluminescence (TRPL) properties of the conventional and PbI 2 -DMSO assisted MAPbI 3 perovskite ...
Inactive (PbI2)2RbCl stabilizes perovskite films for ... - Science
2022年7月28日 · The XRD and SEM results showed that more PbI 2 was formed after heating of the control perovskite film (figs. S5 and S6). We found that integration of the XRD intensity ratio of PbI 2 /perovskite in the control film increased from 0.42 to 0.98 after aging whereas the PIRC film remained at ~0.10.
Anti-solvent engineering to rapid purify PbI2 for efficient …
2024年1月1日 · Anti-solvent engineering strategy is developed for the rapid purification of PbI 2. A combination model of the D N value and Hansen solution parameters is realized. A champion power conversion efficiency of 23.91% is achieved from purified PbI 2.
Modeling the PbI2 formation in perovskite solar cells using XRD…
2016年9月1日 · XRD and NMR patterns indicate the superoxide generation through electron transfer from MAPbI 3 * to O 2 which attacks the perovskite absorber leading to the formation of methylamine (MeNH 2), lead iodide, iodine, and water as degradation products.
Amorphous (lysine)2PbI2 layer enhanced perovskite ... - Nature
2024年8月17日 · The XRD pattern for PbI 2-FACsMA perovskite exhibits negligible changes, while a progressive reduction of PbI 2 is observed in the amo-FACsMA sample during the lysine diffusion process.
Unreacted PbI2 as a Double-Edged Sword for Enhancing the …
2016年7月20日 · In this work a broad range of characterization techniques including X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), photo electron spectroscopy (PES), transient absorption spectroscopy (TAS), UV–vis, electroluminescence (EL), photoluminescence (PL), and confocal PL mapping have been used to ...
-(a) XRD of PbI2 and perovskite, (b) absorption spectra of PbI2 …
We characterized the influence of deposition temperature on their structural, morphological, and optical properties by x-ray diffraction (XRD), atomic force microscopy (AFM), and UV-visible and...