Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Effect of <i>Tongdu Tiaoshen</i> acupuncture on neuroinflammation in rats with CUMS based on the miR-26a-5p/EZH2/H3K27me3 pathway].

Zhongguo zhen jiu = Chinese acupuncture & moxibustion·2026
Same author

Development and validation of a scale of healthy psychological effects of physical exercise among Chinese college students from a multidimensional mental health perspective.

Frontiers in public health·2026
Same author

Anchoring-Induced Interphase via Dual Mortise-Tenon Interactions for Synergistic Stabilization of Surface Co and O in High-Voltage LiCoO<sub>2</sub> Cathodes.

Angewandte Chemie (International ed. in English)·2026
Same author

Nitrogen-Incorporated Silicon Dioxide Interlayer Enables Pinhole-Reduced and Robust TOPCon With a High Implied Open-Circuit Voltage over 760 mV.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Dual-Function Halide Exchange Strategy for Simultaneous Sn<sup>4+</sup> Elimination and Stability Enhancement in Pb-Sn Mixed Perovskite Solar Cells.

ACS nano·2026
Same author

Clarifying the "component-structure-function" mechanism in processed mozzarella cheese: the mechanistic role of fat, protein, and water interactions on quality and texture.

Food chemistry·2026

Related Experiment Video

Updated: Jun 4, 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

20.0K

Fluoroacetate-Mediated Dual-Interface Ionic Stabilization in Perovskite Solar Cells.

Huitian Guo1, Fengchun Cai1, Lianyou Tang2

  • 1Key Laboratory of Precision and Intelligent Chemistry, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, China.

Advanced Materials (Deerfield Beach, Fla.)
|April 27, 2026
PubMed
Summary

A new fluoroacetate molecule strategy improves perovskite solar cell (PSC) efficiency and stability by controlling crystallization and ion movement. This method enhances device performance and longevity, offering a path to more durable perovskite solar cells.

More Related Videos

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

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

16.9K
Flash Infrared Annealing for Perovskite Solar Cell Processing
05:15

Flash Infrared Annealing for Perovskite Solar Cell Processing

Published on: February 3, 2021

8.7K

Related Experiment Videos

Last Updated: Jun 4, 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

20.0K
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

16.9K
Flash Infrared Annealing for Perovskite Solar Cell Processing
05:15

Flash Infrared Annealing for Perovskite Solar Cell Processing

Published on: February 3, 2021

8.7K

Area of Science:

  • Materials Science
  • Renewable Energy
  • Photovoltaics

Background:

  • Perovskite solar cells (PSCs) efficiency and stability are limited by crystallization kinetics and ion dynamics.
  • Developing strategies to control these factors is crucial for advancing PSC technology.

Purpose of the Study:

  • To introduce a fluoroacetate-mediated molecular strategy for regulating perovskite crystallization and ionic migration.
  • To enhance the efficiency and operational stability of perovskite solar cells.

Main Methods:

  • Utilized ethylammonium trifluoroacetate (EATFA) to coordinate with lead and formamidinium ions during perovskite formation.
  • Investigated EATFA's effect on nucleation, grain growth, interface passivation, and ion migration using techniques like Deep-Level Transient Spectroscopy (DLTS) and Transient Ion Drift (TID).
  • Applied the strategy to both 1.66-eV and 1.55-eV perovskite solar cells.

Main Results:

  • EATFA accelerated nucleation and moderated grain growth, while localizing at interfaces to passivate traps and suppress halide accumulation.
  • The strategy significantly reduced ion migration activation energy from 0.47 eV to 0.15 eV.
  • Achieved a 22.06% power conversion efficiency (PCE) in 1.66-eV PSCs, with excellent operational stability (95% retention after 2000h MPP tracking, 91% after 1000h at 65°C).
  • Demonstrated bandgap-independent improvements in 1.55-eV PSCs.

Conclusions:

  • The fluoroacetate-mediated molecular strategy effectively regulates perovskite crystallization and ionic dynamics.
  • This approach leads to enhanced power conversion efficiency and superior operational stability in perovskite solar cells.
  • The findings provide a unified route toward developing highly efficient and durable perovskite solar cells.