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

Photoluminescence: Applications01:14

Photoluminescence: Applications

1.2K
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
1.2K
Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

4.3K
Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
4.3K
Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

1.7K
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Homogenizing Sn-Pb Distribution Through A-Site MA Cations for Efficient All-Perovskite Tandem Solar Cells.

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

Color-Tunable Broadband Chiral Copper(I) Halides Scintillators for High-Resolution X-Ray Polarization Imaging.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Integrated Computational and Spectroscopic Investigation of Mn<sup>5+</sup>-Doped LaSr<sub>2</sub>AlO<sub>5</sub> with Intense Green Color and NIR-II Emission.

Inorganic chemistry·2026
Same author

Cuproptosis tracker: Visualizing organelle dynamics with a dual-targeted fluorescent probe.

Journal of pharmaceutical analysis·2026
Same author

Development and validation of patient-based exponentially weighted moving average quality control models for three antipsychotic drugs and their metabolites by LC-MS/MS.

Clinica chimica acta; international journal of clinical chemistry·2026
Same author

A Planarity-Hindrance Co-Balance Strategy to Develop Antiparallel H-Aggregates With Minimal Absorbance Blueshift for Type I Photodynamic Therapy.

Advanced materials (Deerfield Beach, Fla.)·2026

Related Experiment Video

Updated: Mar 12, 2026

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.6K

Dynamic Coordination Geometry Transformation for Near-Unity PLQY and Photo-Tunable Full-Color Circularly Polarized

Xingrong Quan1, Yixie Chen1, Yihua Yang1

  • 1School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Electrochemical Energy Materials, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, Guangxi University, Nanning 530004, China.

The Journal of Physical Chemistry Letters
|March 11, 2026
PubMed
Summary

Chiral ligands like l/d-proline enable defect passivation in perovskite quantum dots (PQDs), enhancing their light emission. This breakthrough facilitates high-performance chiral optoelectronic devices.

More Related Videos

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

9.0K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

9.3K

Related Experiment Videos

Last Updated: Mar 12, 2026

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.6K
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
07:56

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

9.0K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

9.3K

Area of Science:

  • Materials Science
  • Quantum Dot Technology
  • Chirality in Nanomaterials

Background:

  • Designing chiral ligands for perovskite quantum dots (PQDs) and understanding their structure-property relationships is complex.
  • Controlling chirality and optical properties in PQDs is crucial for advanced optoelectronic applications.

Purpose of the Study:

  • To investigate the coordination transition of l/d-proline (l/d-Pro) ligands on PQDs.
  • To achieve efficient defect passivation and chiral transfer in green chiral PQDs.
  • To enable full-visible emission tuning and enhance circularly polarized light emission.

Main Methods:

  • Utilized l/d-proline as a chiral ligand, observing concentration-dependent coordination modes (monofunctional to bidentate).
  • Employed a light-mediated halide exchange strategy for emission spectrum tuning.
  • Fabricated full-color circularly polarized light-emitting diodes (CP-LEDs) and white LEDs.

Main Results:

  • Achieved 99.69% photoluminescence quantum yield (PLQY) and an emission dissymmetry factor (g_lum) of -2.1 × 10^-3 for green chiral PQDs.
  • Tuned emission across the full visible spectrum (440-760 nm) with enhanced |g_lum| up to 7.1 × 10^-3.
  • Maintained high blue and red PLQYs (88.96%/91.42%) through octahedral distortion.

Conclusions:

  • Demonstrated a concentration-dependent coordination transition of l/d-Pro, enabling defect passivation and chiral transfer in PQDs.
  • Established a light-mediated halide exchange method for broad emission tuning and enhanced circularly polarized light emission.
  • Successfully fabricated high-performance CP-LEDs and white LEDs, offering a new design paradigm for chiral perovskite optoelectronics.