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

Prochirality02:05

Prochirality

3.8K
The concept of prochirality leads to the nomenclature of the individual faces of a molecule and plays a crucial role in the enantioselective reaction. It is a concept where two or more achiral molecules react to produce chiral products. A typical process is the reaction of an achiral ketone to generate a chiral alcohol. Here, the achiral reactant reacts with an achiral reducing agent, sodium borohydride, to generate an equimolar mixture of the chiral enantiomers of the product. For example, an...
3.8K
P-N junction01:11

P-N junction

519
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
519
  1. Home
  3. Chiral-structured Heterointerfaces Enable Durable Perovskite Solar Cells
  1. Home
  3. Chiral-structured Heterointerfaces Enable Durable Perovskite Solar Cells

Related Experiment Video

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

16.6K

Chiral-structured heterointerfaces enable durable perovskite solar cells

Tianwei Duan1, Shuai You2, Min Chen2

  • 1Department of Physics, Hong Kong Baptist University, Kowloon, Hong Kong SAR 999077, China.

Science (New York, N.Y.)
|May 23, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Chirality-mediated interfaces improve perovskite solar cell (PSC) stability by enhancing mechanical reliability and chemical resistance. This novel approach significantly boosts device longevity under harsh thermal cycling and damp heat conditions.

More Related Videos

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

18.5K
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

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

Published on: September 8, 2017

9.6K

Related Experiment 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

16.6K
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

18.5K
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

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

Published on: September 8, 2017

9.6K

Area of Science:

  • Materials Science
  • Renewable Energy
  • Chemistry

Background:

  • Perovskite solar cells (PSCs) face long-term stability challenges due to mechanical and chemical degradation at device heterointerfaces.
  • Thermal cycling and damp heat conditions accelerate this degradation, limiting the practical application of PSCs.

Purpose of the Study:

  • To engineer robust heterointerfaces in PSCs using chirality-mediated strategies.
  • To enhance the mechanical reliability and chemical stability of PSCs under accelerated aging conditions.

Main Methods:

  • Development of chirality-mediated interfaces using R-/S-methylbenzyl-ammonium between perovskite and electron-transport layers.
  • Investigation of enantiomer-controlled entropy effects on interface elasticity and fatigue resistance.
  • Analysis of heterochiral cation arrangements for improved chemical stability and charge transfer.

Main Results:

  • The novel interfaces demonstrated increased mechanical reliability and enhanced tolerance to thermal cycling and damp heat.
  • Encapsulated PSCs retained 92% of their initial power conversion efficiency after 1200 hours of thermal cycling (-40°C to 85°C).
  • Encapsulated PSCs also retained 92% efficiency after 600 hours of damp heat testing (85°C, 85% RH).

Conclusions:

  • Chirality-mediated interfaces offer a promising strategy for significantly improving the operational stability and durability of perovskite solar cells.
  • The engineered interfaces mitigate degradation pathways, paving the way for more reliable and long-lasting perovskite photovoltaic devices.