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Updated: Jan 6, 2026

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

Morphology Formation Pathways in Solution-Processed Perovskite Thin Films.

Martin Majewski¹, Olivier J J Ronsin¹, Jens Harting^1,2

¹Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (HIERN), Forschungszentrum Jülich GmbH, Jülich, Germany.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|October 21, 2025

Summary

This summary is machine-generated.

A new model explains how solvent evaporation and crystal growth affect thin film formation in perovskite solar cells. This understanding enables fabrication of high-quality films for mass production.

Keywords:

model perovskite solar cell thin film

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Last Updated: Jan 6, 2026

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Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

Area of Science:

Materials Science
Chemical Engineering
Renewable Energy

Background:

Perovskite solar cells utilize polycrystalline thin films for their active layer.
Solution processing offers a scalable fabrication method for these films.
The simultaneous processes of solvent evaporation and crystallization during thin film formation are not fully understood.

Purpose of the Study:

To develop a geometrical model for understanding thin film formation.
To investigate the interplay between solvent evaporation and crystal growth.
To identify processing conditions that yield desired film morphologies.

Main Methods:

Development of a geometrical model.
Analysis of film formation mechanisms based on processing conditions.
Investigation of the relationship between evaporation rate, crystal growth rate, and film morphology.

Main Results:

Eleven distinct film formation pathways were identified.
Four unique film morphologies were predicted by the model.
Pinhole-free and flat films can be achieved by controlling evaporation and crystal growth rates.

Conclusions:

The developed model provides insights into thin film formation during solution processing.
Adapting process parameters to material properties allows for controlled film morphology.
The model is applicable to various evaporating and crystallizing thin film systems.