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

Photochemical Electrocyclic Reactions: Stereochemistry01:26

Photochemical Electrocyclic Reactions: Stereochemistry

1.9K
The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
Selection Rules: Photochemical Activation
1.9K

You might also read

Related Articles

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

Sort by
Same author

Ultrasensitive Protein Detection Using Luminescent Eu-Ion-Doped Vanadate Nanoparticles.

ACS sensors·2026
Same author

Topochemical synthesis of lanthanide phosphor-doped La<sub>2</sub>O<sub>2</sub>S with a metastable orthorhombic polymorph.

Dalton transactions (Cambridge, England : 2003)·2025
Same author

Nature and Role of Structural Disorder in Low-Dimensional Hybrid Post-perovskite Phosphors.

Inorganic chemistry·2025
Same author

Development and Characterization of Scented PLA-Based Biocomposites Reinforced with Spent Coffee Grounds and Lignin for FDM 3D Printing.

Polymers·2025
Same author

Excitation-Wavelength-Dependent Emission of Congruently Melting Iodocuprate Hybrid Materials.

Angewandte Chemie (International ed. in English)·2025
Same author

Direct Assembly of Micrometer-Long Polymeric Cylinders in Water via Supramolecular Sticker Engineering.

Macromolecular rapid communications·2025

Related Experiment Video

Updated: Aug 26, 2025

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
11:49

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

12.7K

Photoactive CuI-Cross-Linked Polyurethane Materials.

Sandro Stal1, Brendan Huitorel2, Thomas Coustham3

  • 1Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, F-44000 Nantes, France.

ACS Applied Materials & Interfaces
|October 12, 2022
PubMed
Summary

Researchers created new photoluminescent materials using copper iodide complexes in polyurethane. These materials change light emission with temperature and solvents, showing promise for LED applications.

Keywords:
copper iodide complexeslight-emitting materialsluminescencepolyurethanestimuli-responsive materials

More Related Videos

Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties
10:16

Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties

Published on: January 8, 2016

14.0K
Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
08:50

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

10.3K

Related Experiment Videos

Last Updated: Aug 26, 2025

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application
11:49

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

Published on: March 8, 2019

12.7K
Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties
10:16

Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties

Published on: January 8, 2016

14.0K
Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
08:50

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

10.3K

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Photophysics

Background:

  • Developing novel photoluminescent materials with tunable properties is crucial for advanced applications.
  • Copper iodide complexes offer unique photophysical characteristics that can be integrated into polymer matrices.
  • Stimuli-responsive materials that change optical properties based on external factors are of significant research interest.

Purpose of the Study:

  • To synthesize novel photoluminescent stimuli-responsive materials by incorporating multinuclear copper iodide complexes into a polyurethane matrix.
  • To investigate the photoluminescence properties, including thermochromism and solvatochromism, of the resulting polymer composites.
  • To demonstrate the potential application of these materials as phosphors in light-emitting diode (LED) devices.

Main Methods:

  • Synthesis of polyurethane composites cross-linked with multinuclear copper iodide complexes.
  • Characterization of photoluminescence properties, including emission wavelength and intensity.
  • Evaluation of luminescence response to temperature (thermochromism) and solvent exposure (solvatochromism).
  • Testing the materials as phosphors in LED devices.

Main Results:

  • Successful synthesis of transparent, photoluminescent polyurethane materials with covalently incorporated copper iodide complexes.
  • Observation of room-temperature phosphorescence with tunable emission characteristics.
  • Demonstration of luminescence thermochromism (change with temperature) and solvatochromism (response to solvents).
  • Validation of the materials' utility as phosphors in LED devices.

Conclusions:

  • Multinuclear copper iodide complexes serve as effective cross-linking agents for creating stimuli-responsive photoluminescent polymer materials.
  • The integration of copper iodide complexes into polyurethane matrices transfers intrinsic photoluminescence while maintaining polymer processability.
  • These cost-effective and sustainable materials offer a promising strategy for developing advanced phosphors for LED applications and other functional devices.