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

Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

670
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...
670
Photoluminescence: Applications01:14

Photoluminescence: Applications

556
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...
556
Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

2.5K
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...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Coherent transformation of metal halide perovskites.

Nature communications·2026
Same author

Chiral chromophore engineered donor for constructing circularly polarized organic long-persistent luminescence exciplex.

Nature communications·2026
Same author

Gradient-distributed metal-halide dynamic memristors for adaptive and robust voiceprint recognition.

Nature communications·2026
Same author

Photocatalytic Activation of Alkyl Diazirine Probes for In Situ Drug Profiling and Extracellular Vesicle-Based Diagnostics.

Journal of the American Chemical Society·2026
Same author

Recent Advances of Organic Room Temperature Phosphorescence for Biological Applications.

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

Emerging Nanoreactors for Precision Disease Treatment: From Principles to Biomedical Applications.

Small (Weinheim an der Bergstrasse, Germany)·2026

Related Experiment Video

Updated: Oct 20, 2025

Time-resolved Photophysical Characterization of Triplet-harvesting Organic Compounds at an Oxygen-free Environment Using an iCCD Camera
06:08

Time-resolved Photophysical Characterization of Triplet-harvesting Organic Compounds at an Oxygen-free Environment Using an iCCD Camera

Published on: December 27, 2018

9.1K

Modulating Tri-Mode Emission for Single-Component White Organic Afterglow.

Jibiao Jin1, Peiran Xue1, Longyan Zhang1

  • 1State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials(IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China.

Angewandte Chemie (International Ed. in English)
|September 15, 2021
PubMed
Summary

Achieving white organic afterglow is challenging. This study introduces a novel tri-mode emission strategy from singlet, triplet, and stabilized triplet states, enabling efficient single-component white afterglow.

Keywords:
isomer impurityphotoactivationsingle componenttri-mode emissionwhite organic afterglow

More Related Videos

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

8.2K
Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
07:44

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

9.1K

Related Experiment Videos

Last Updated: Oct 20, 2025

Time-resolved Photophysical Characterization of Triplet-harvesting Organic Compounds at an Oxygen-free Environment Using an iCCD Camera
06:08

Time-resolved Photophysical Characterization of Triplet-harvesting Organic Compounds at an Oxygen-free Environment Using an iCCD Camera

Published on: December 27, 2018

9.1K
Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
05:51

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

8.2K
Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
07:44

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

9.1K

Area of Science:

  • Organic electronics
  • Photophysics
  • Materials science

Background:

  • Single-component white organic afterglow is difficult to achieve.
  • Simultaneous long-lived emissions from multiple excited states are required.

Purpose of the Study:

  • To propose a tri-mode emission strategy for white organic afterglow.
  • To achieve efficient single-component white afterglow by controlling excited state properties.

Main Methods:

  • Modulating singlet-triplet splitting energy (ΔEST) and exciton trapping depth (ETD).
  • Utilizing H-aggregation engineering and trace isomer doping for yellow emission.
  • Employing donor-acceptor molecular design for blue emission.

Main Results:

  • Demonstrated tri-mode emission from singlet (S1), triplet (T1), and stabilized triplet (T1*) states.
  • Achieved high efficiency of 14.1% and a long lifetime of 0.61 s for single-component white afterglow.
  • Successfully regulated emission intensity ratios from different excited states.

Conclusions:

  • The proposed strategy enables efficient single-component white organic afterglow.
  • Rational control over excited state dynamics is key to achieving desired luminescence properties.
  • This work offers a new pathway for developing advanced organic light-emitting materials.