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Updated: Dec 5, 2025

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

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In Situ Ultraviolet Polymerization Using Upconversion Nanoparticles: Nanocomposite Structures Patterned by Near

Hongsub Jee¹, Guanying Chen², Paras N Prasad³

¹College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea.

Nanomaterials (Basel, Switzerland)

|October 21, 2020

Summary

This study introduces a novel nanocomposite using UV-polymerizable materials and upconverting nanoparticles for efficient light conversion. The resulting materials offer enhanced stability and patterned structures for advanced applications.

Keywords:

core-shell nanoparticles near-infrared photopatterning polymerization ultraviolet upconversion

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Area of Science:

Materials Science
Nanotechnology
Photochemistry

Background:

Existing near-infrared (NIR) organic photo-initiators lack stability under harsh conditions.
Upconversion nanoparticles offer a stable alternative for light-initiated polymerization.

Purpose of the Study:

To develop a stable nanocomposite using UV-polymerizable organic material and NaYbF4:Tm3+ upconversion nanoparticles (NPs).
To optimize NPs for efficient NIR-to-UV/blue light conversion.
To demonstrate patterned nanocomposite fabrication.

Main Methods:

Polymerization of nanocomposites containing UV-polymerizable organic material and NaYbF4:Tm3+ core-based NPs.
Utilizing a core-shell design for NPs to enhance binding with organic constituents.
Fabricating patterned structures via 980 nm laser diode irradiation through a photomask.

Main Results:

Prepared photopolymerized transparent polymer nanocomposites exhibit upconversion photoluminescence across UV, visible, and NIR ranges.
Nanoparticles demonstrate superior stability compared to traditional organic photo-initiators.
Successful fabrication of millimeter/submillimeter sized patterned nanocomposite structures was achieved.

Conclusions:

The developed approach enables stable and efficient nanocomposite polymerization using upconversion nanoparticles.
Core-shell nanoparticle design facilitates organic-inorganic integration while preserving upconversion properties.
This method allows for the creation of precisely patterned nanocomposite structures for potential applications.