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Related Concept Videos

Crown Ethers02:36

Crown Ethers

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Crown ethers are cyclic polyethers that contain multiple oxygen atoms, usually arranged in a regular pattern. The first crown ether was synthesized by Charles Pederson while working at DuPont in 1967. For this work, Pedersen was co-awarded the 1987 Nobel Prize in Chemistry. Crown ethers are named using the formula x-crown-y, where x is the total number of atoms in the ring and y is the number of ether oxygen atoms. The term 'crown' refers to the crown-like shape that these ether molecules...
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Variables Affecting Phosphorescence and Fluorescence01:26

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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...
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The cationic polymerization mechanism consists of three steps: initiation, propagation, and termination. In the initiation step of the polymerization process, the π bond of a monomer gets protonated by the Lewis acid catalyst, which is formed from boron trifluoride and water. The protonation of the π bond generates a carbocation stabilized by the electron‐donating group. In the propagation step, the π bond of the second monomer acts as a nucleophile and attacks the...
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Related Experiment Video

Updated: Dec 12, 2025

Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
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Fluorescent Supramolecular Polymers Formed by Crown Ether-Based Host-Guest Interaction.

Jinjin Zhang1, Huayu Qiu1,2, Tian He1

  • 1College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, China.

Frontiers in Chemistry
|August 15, 2020
PubMed
Summary

This review explores fluorescent supramolecular polymers using crown ethers. These materials offer versatile applications in smart materials due to their unique fabrication and properties.

Keywords:
crown etherfluorescencehost-guest interactionsupramolecular coordination complexsupramolecular polymer

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Area of Science:

  • Supramolecular Chemistry
  • Polymer Science
  • Materials Science

Background:

  • Supramolecular chemistry creates diverse structures like micelles and vesicles.
  • Supramolecular polymers utilize non-covalent interactions for assembly.
  • Crown ethers are key macrocyclic hosts for supramolecular polymer fabrication.

Purpose of the Study:

  • To review fabrication strategies for fluorescent supramolecular polymers based on crown ethers.
  • To discuss the properties and potential applications of these advanced materials.
  • To highlight the role of fluorophore incorporation for enhanced functionality.

Main Methods:

  • Focus on supramolecular polymer construction using crown ether host-guest interactions.
  • Analysis of building block strategies: low-molecular-weight compounds, modified polymers, and coordination complexes.
  • Review of incorporation methods for fluorophores into supramolecular polymer architectures.

Main Results:

  • Crown ether-based supramolecular polymers offer a facile route to advanced materials.
  • Fluorescent incorporation enhances properties for smart material applications.
  • Diverse building blocks enable tailored supramolecular polymer designs.

Conclusions:

  • Fluorescent supramolecular polymers based on crown ethers are promising for smart materials.
  • Fabrication strategies and building block diversity are key to their utility.
  • These materials hold potential in areas like sensors, bioimaging, and drug delivery.