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

962
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...
962
Channel Rhodopsins01:11

Channel Rhodopsins

3.1K
Most organisms use photoreceptors to sense and respond to light. Examples of photoreceptors include bacteriorhodopsins and bacteriophytochromes in some bacteria, phytochromes in plants, and rhodopsins in the photoreceptor cells of the vertebral retina. The light-sensitive property of these receptors is because of the bound chromophores, such as bilin in the phytochromes and retinal in the rhodopsins.
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
3.1K
Fluorescence and Phosphorescence: Instrumentation01:25

Fluorescence and Phosphorescence: Instrumentation

1.4K
Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
1.4K

You might also read

Related Articles

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

Sort by
Same author

Tuning lithium storage and transport via graphene line defects: a first-principles study.

Nanotechnology·2026
Same author

Near-infrared stress memory emitters enable delayed impact visualization in illuminated environments.

Nature communications·2026
Same author

Electronics with switchable flexibility for 3D conforming neural interfaces.

Science advances·2026
Same author

Uncovering Local Piezoelectric Field Effect in Mechanoluminescent Materials.

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

Correction: Chromium-activated phosphors: from theory to applications.

Chemical Society reviews·2026
Same author

Spatiotemporal evolution of a pine wilt disease model integrating infectious disease transmission and predator-prey interactions.

Journal of mathematical biology·2026

Related Experiment Video

Updated: Jan 7, 2026

Low-energy Cathodoluminescence for OxyNitride Phosphors
07:03

Low-energy Cathodoluminescence for OxyNitride Phosphors

Published on: November 15, 2016

11.1K

Chromium-activated phosphors: from theory to applications.

Shengqiang Liu1,2, Leipeng Li1,3, Bing Chen1,4

  • 1Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China. fwang24@cityu.edu.hk.

Chemical Society Reviews
|December 18, 2025
PubMed
Summary

Chromium-activated phosphors offer tunable near-infrared (NIR) luminescence for lighting and bioimaging. This review details their crystal field theory, design, preparation, and applications, guiding future phosphor development.

More Related Videos

Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
07:12

Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials

Published on: September 13, 2024

2.9K
Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
08:51

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core

Published on: October 24, 2017

10.0K

Related Experiment Videos

Last Updated: Jan 7, 2026

Low-energy Cathodoluminescence for OxyNitride Phosphors
07:03

Low-energy Cathodoluminescence for OxyNitride Phosphors

Published on: November 15, 2016

11.1K
Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
07:12

Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials

Published on: September 13, 2024

2.9K
Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
08:51

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core

Published on: October 24, 2017

10.0K

Area of Science:

  • Materials Science
  • Solid-State Chemistry
  • Luminescence

Background:

  • Chromium-activated phosphors are crucial for near-infrared (NIR) lighting and in vivo bioimaging.
  • The 3d orbital transitions in chromium ions exhibit tunable luminescence across NIR-I and NIR-II spectral regions, influenced by their crystal environment.

Purpose of the Study:

  • To comprehensively review recent advancements in chromium-activated phosphors.
  • To explore the relationship between local coordination environments and optical properties.
  • To provide theoretical and experimental guidance for refining chromium-activated phosphors.

Main Methods:

  • Review of phenomenological crystal field theories.
  • Analysis of design principles and materials preparation methodologies.
  • Investigation of correlations between local coordination and optical properties (spectral profile, quantum efficiency, thermal stability, persistent luminescence, mechanoluminescence).

Main Results:

  • Demonstrated remarkable luminescence tunability from NIR-I to NIR-II regions.
  • Established links between crystal field effects, coordination geometry, and luminescence characteristics.
  • Highlighted the versatility of these phosphors for optical studies and device applications.

Conclusions:

  • Chromium-activated phosphors are versatile materials with significant potential in optics and device applications.
  • Future research should focus on controlling crystal size and energy level coupling for extended optical tuning.
  • Further refinement requires a deep understanding of structure-property relationships.