Related Experiment Video
Updated: Feb 18, 2026
Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
Microstructure variations induced by excess PbX2 or AX within perovskite thin films
Guanhaojie Zheng1, Cheng Zhu, Yihua Chen
1Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics Chinese Academy of Sciences, Shanghai 201204, China. gaoxingyu@sinap.ac.cn.
Altering the ratio of lead halide (PbX2) and organic cation (AX) in hybrid perovskite films impacts their microstructure. This tuning of crystal plane stacking offers insights into improving solar cell performance.
Area of Science:
- Materials Science
- Solid-State Chemistry
- Renewable Energy
Background:
- Hybrid perovskites are promising photovoltaic materials.
- Controlling film microstructure is crucial for device efficiency.
Purpose of the Study:
- To investigate how stoichiometric ratios affect perovskite film microstructure.
- To understand the influence of these ratios on crystal plane stacking.
Main Methods:
- Systematic variation of PbX2 and AX precursor ratios.
- Utilizing two-dimensional synchrotron radiation grazing incidence wide-angle X-ray scattering (GIWAXS) for microstructural analysis.
Main Results:
- Stoichiometric ratio tuning directly impacts the microstructure of hybrid perovskite films.
- Specific crystal plane stacking orientations were observed to be sensitive to precursor ratios.
Conclusions:
- The study demonstrates a method to control perovskite film microstructure via stoichiometry.
- Tuned crystal plane stacking provides a pathway for optimizing solar cell performance.
More Related Videos
04:14Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
Published on: October 1, 2019
08:12Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
Published on: September 8, 2017