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Updated: Mar 22, 2026

A 'Plug and Play' Method to Create Water-dispersible Nanoassemblies Containing an Amphiphilic Polymer, Organic Dyes and Upconverting Nanoparticles

A 'Plug and Play' Method to Create Water-dispersible Nanoassemblies Containing an Amphiphilic Polymer, Organic Dyes and Upconverting Nanoparticles

Published on: November 14, 2015

Single-Component Upconverting Polymeric Nanoparticles.

David C Thévenaz¹, Soo Hyon Lee¹, Florian Guignard¹

¹Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland.

Macromolecular Rapid Communications

|April 14, 2016

Summary

This summary is machine-generated.

New upconverting nanoparticles were synthesized using a terpolymer approach, covalently attaching dye molecules to prevent leakage and improve control. This method offers enhanced stability and performance for low-power light upconversion applications.

Keywords:

copolymers dyes luminescence nanoparticles upconversion

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Last Updated: Mar 22, 2026

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Area of Science:

Materials Science
Photochemistry

Background:

Low-power light upconversion is crucial for diverse applications.
Existing triplet-triplet annihilation upconverting nanoparticles suffer from dye leakage and concentration control issues.

Purpose of the Study:

To prepare novel upconverting nanoparticles using a methacrylic terpolymer.
To covalently attach diphenylanthracene and meso-phenoxytris(heptyl)porphyrin pendant groups within nanoparticles.
To overcome limitations of existing upconversion nanoparticle synthesis.

Main Methods:

Microemulsion technique for nanoparticle synthesis.
Dynamic light scattering (DLS) for size analysis.
Transmission electron microscopy (TEM) for morphology investigation.
Luminescence spectroscopy for property elucidation.

Main Results:

Successfully synthesized upconverting nanoparticles from a functionalized terpolymer.
Demonstrated covalent attachment of sensitizer (diphenylanthracene) and emitter (meso-phenoxytris(heptyl)porphyrin) groups.
Characterized nanoparticle size, morphology, and upconverting properties.

Conclusions:

The terpolymer approach effectively mitigates dye leakage in upconverting nanoparticles.
Covalent attachment provides superior control over sensitizer and emitter concentrations.
This method yields stable and efficient upconverting nanoparticles for various applications.