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Related Experiment Video

Updated: Jul 8, 2026

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

Metallic Lead to Perfect Perovskite: A Bottom-Up Vapor-Assisted Colloidal Strategy for High-Performance Solar Cells.

Luwei Zhang¹, Yicheng Qian¹, Xiaodong Dai¹

¹Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory for Photoelectric Materials and Devices & National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.

ACS Applied Materials & Interfaces

|July 7, 2026

Summary

Elemental lead (Pb⁰) can be used to create perovskite solar cells (PSCs) efficiently. This novel method yields high-performance PSCs with improved stability and efficiency compared to traditional lead iodide precursors.

Keywords:

colloidal precursor cost reduction metallic lead perovskite solar cell synthesis of PbI2 vapor process

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Last Updated: Jul 8, 2026

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

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Published on: October 1, 2019

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

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Published on: February 27, 2017

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
Renewable Energy
Nanotechnology

Background:

Elemental lead (Pb ⁰) presents an atom-economical precursor for perovskite synthesis.
Challenges exist in converting Pb ⁰ to Pb ²⁺ and avoiding defects in perovskite solar cells (PSCs).

Purpose of the Study:

To develop a method for synthesizing high-quality perovskites from elemental lead (Pb ⁰).
To improve the efficiency and stability of perovskite solar cells (PSCs) using Pb ⁰ as a precursor.

Main Methods:

Pb ⁰ reacted with I ₂ in DMF and DMSO to form PbI ₂ colloidal precursors.
Vapor-solid reaction with formamidinium iodide vapors facilitated perovskite conversion.
Fabrication and characterization of PSCs using Pb ⁰-derived and PbI ₂-derived perovskites.

Main Results:

Well-dispersed PbI ₂ colloidal precursors were successfully synthesized from Pb ⁰.
Perovskite solar cells (PSCs) derived from Pb ⁰ achieved 22.65% efficiency, surpassing those from PbI ₂ (20.65%).
Pb ⁰-based PSCs demonstrated enhanced stability compared to PbI ₂-based devices.

Conclusions:

Elemental lead (Pb ⁰) is a viable and advantageous precursor for high-performance perovskite solar cells (PSCs).
The developed method overcomes challenges in Pb ⁰ conversion, yielding superior PSC efficiency and stability.
This approach opens avenues for utilizing upstream materials in perovskite fabrication.