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Related Experiment Video

Updated: Jul 10, 2026

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
11:38

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

Published on: February 27, 2017

Aging-Tolerant Precursor Solution for Perovskite Solar Cells Enabled by Phosphite-Assisted Chemical Protection.

Yi Dou1, Jia Xiang1, Jianan Dai1

  • 1School of Physical Science and Technology, Jiangsu Key Laboratory of Frontier Material Physics and Devices, Suzhou Key Laboratory of Intelligent Photoelectric Perception, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Center for Energy Conversion Materials & Physics (CECMP)Soochow University, Suzhou 215006, P. R. China.

ACS Applied Materials & Interfaces
|July 8, 2026
PubMed
Summary

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Triphenyl phosphite stabilizes perovskite solar cell precursor solutions and films, enhancing efficiency and longevity. This additive improves perovskite solar cell performance and durability for commercial applications.

Area of Science:

  • Materials Science
  • Renewable Energy
  • Photovoltaics

Background:

  • Perovskite solar cells (PSCs) show high power conversion efficiency (PCE) but suffer from poor stability.
  • Degradation of precursor solutions and films hinders commercialization of PSCs.
  • Addressing stability is crucial for advancing PSC technology.

Purpose of the Study:

  • To improve the long-term stability of perovskite solar cells and their precursor solutions.
  • To investigate the role of triphenyl phosphite (TPP) as a stabilizing additive.
  • To demonstrate full lifecycle management for enhanced PSC performance.

Main Methods:

  • Incorporation of triphenyl phosphite into the perovskite precursor solution.
  • Fabrication of n-i-p perovskite solar cells using the TPP-modified precursor.
Keywords:
defects passivationperovskite solar cellspower conversion efficiencyprecursor agingstability

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Last Updated: Jul 10, 2026

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

Published on: February 27, 2017

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

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05:15

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  • Evaluation of precursor solution stability under aging conditions.
  • Assessment of perovskite film quality (crystallinity, defect density).
  • Performance and stability testing of fabricated PSCs under continuous illumination and ambient air aging.

    • Main Results:

    • TPP addition prevented iodide oxidation and organic cation deprotonation in precursor solutions.
    • TPP facilitated the formation of perovskite films with improved crystallinity and reduced defect density.
    • Optimized PSCs achieved a certified PCE of 26.6%.
    • Devices retained 90% of initial efficiency after 600 hours of continuous illumination.
    • TPP-treated precursor solutions, aged for 21 days, yielded PSCs with comparable efficiencies to fresh solutions.

    Conclusions:

    • Triphenyl phosphite is an effective additive for stabilizing both perovskite precursor solutions and films.
    • TPP enhances the operational stability and long-term durability of perovskite solar cells.
    • This strategy offers a practical approach for the commercialization of stable and efficient perovskite solar cells.