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

596
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...
596
Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

3.1K
The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the...
3.1K
Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions01:20

Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions

2.0K
Arenediazonium substitution reactions occur when the diazonium group is substituted by various functional groups such as halides, hydroxyl, nitrile, etc. For instance, arenediazonium salts react with copper(I) salts of chloride, bromide, or cyanide to form corresponding aryl chlorides, bromides, and nitriles. These reactions are named Sandmeyer reactions. Although the mechanism of this reaction is complicated, as illustrated in Figure 1, they are believed to progress via an aryl copper...
2.0K

You might also read

Related Articles

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

Sort by
Same author

A Computational/Experimental Investigation into the Reversibility of [6+4]/[4+2] Cycloadditions with Tropone Derivatives.

The Journal of organic chemistry·2026
Same author

Allenamides as a Powerful Tool to Incorporate Diversity: Thia-Michael Lipidation of Semisynthetic Peptides and Access to β-Keto Amides.

Angewandte Chemie (International ed. in English)·2024
Same author

Computational investigation of cycloadditions between cyclopentadiene and tropone-3,4-dimethylester.

Organic & biomolecular chemistry·2022
Same author

Byproducts formed During Thiol-Acrylate Reactions Promoted by Nucleophilic Aprotic Amines: Persistent or Reactive?

ChemPlusChem·2020
Same author

Electronic Spectroscopy of 2-Phenyl-1,3,2-benzodioxaborole and Its Derivatives: Important Building Blocks of Covalent Organic Frameworks.

The journal of physical chemistry. A·2019
Same author

Evaluating Nucleophile Byproduct Formation during Phosphine- and Amine-Promoted Thiol-Methyl Acrylate Reactions.

The Journal of organic chemistry·2018

Related Experiment Video

Updated: Sep 17, 2025

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

9.7K

Modular Synthesis of Phenazine-Based Aggregation-Induced Emission Materials.

Viktorija Miseljic, R Nacif-Pimenta, Brian H Northrop

    Organic Letters
    |June 28, 2025
    PubMed
    Summary

    New phenazine luminogens were synthesized and exhibit aggregation-induced emission (AIE). Particle size decreased with increasing water content, showing potential for controlled nanomaterial development.

    More Related Videos

    Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
    07:14

    Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

    Published on: May 12, 2023

    3.1K
    Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
    14:11

    Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach

    Published on: June 10, 2021

    6.3K

    Related Experiment Videos

    Last Updated: Sep 17, 2025

    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

    9.7K
    Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
    07:14

    Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

    Published on: May 12, 2023

    3.1K
    Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
    14:11

    Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach

    Published on: June 10, 2021

    6.3K

    Area of Science:

    • Organic Chemistry
    • Materials Science
    • Supramolecular Chemistry

    Background:

    • Phenazine derivatives are known for their optical properties.
    • Aggregation-induced emission (AIE) is a phenomenon where molecules become more emissive upon aggregation.
    • Controlling aggregate size and morphology is crucial for material applications.

    Purpose of the Study:

    • To synthesize novel phenazine-based luminogens.
    • To investigate their aggregation-induced emission (AIE) properties.
    • To characterize the size and structure of the aggregates formed.

    Main Methods:

    • Facile condensation reaction of bis(triphenylethylene)-functionalized ortho-phenylenediamine with ortho-quinones.
    • Fluorescence spectroscopy to study AIE behavior.
    • Dynamic light scattering (DLS), confocal microscopy, and scanning electron microscopy (SEM) for aggregate characterization.

    Main Results:

    • Four new phenazine derivatives were synthesized in high yield.
    • All derivatives exhibited AIE in THF/water mixtures (≥60% water).
    • Aggregate size decreased with increasing water percentage, forming roughly spherical particles.

    Conclusions:

    • The synthesized phenazine derivatives are efficient AIE luminogens.
    • The study demonstrates control over aggregate size by adjusting water content.
    • These findings open avenues for developing tunable AIE materials.