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Updated: Jul 17, 2025

Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties

Electroactive Polymer Nanoparticles Exhibiting Photothermal Properties

Published on: January 8, 2016

Photothermal-Driven Polymer for a Smart Window with Adaptive Solar Modulation.

Yang Wang¹, Yulong Zhao¹, Zhendong Yan¹

¹Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.

ACS Applied Materials & Interfaces

|September 1, 2023

Summary

This study introduces a new hybrid smart window that efficiently converts solar energy to heat, enabling rapid and reversible transitions from transparent to opaque states for significant indoor cooling.

Keywords:

UV/NIR shielding core–shell nanoparticle photothermal conversion smart window solar modulation

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Preparation of Light-responsive Membranes by a Combined Surface Grafting and Postmodification Process

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Last Updated: Jul 17, 2025

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Area of Science:

Materials Science
Energy Science
Nanotechnology

Background:

Thermochromic smart windows offer energy savings but face challenges with response temperature, switching speed, and durability.
Existing technologies struggle to balance adjustable sunlight transmittance with practical performance.

Purpose of the Study:

To develop a dual-function hybrid thermoresponsive smart window device (CPH) with improved performance.
To enhance solar energy conversion efficiency and achieve dynamic light transmittance modulation.

Main Methods:

Incorporating a phase-change polymer (polyHEA-HDA) and polydopamine@CsWO₃ (PDA@CWO) core-shell nanoparticles into glass.
Utilizing PDA@CWO for efficient photothermal conversion and polyHEA-HDA for reversible phase transitions.

Main Results:

The CPH device exhibits efficient solar-to-heat energy transformation.
The smart window transitions from transparent to opaque at low ambient temperatures, modulating solar transmittance from 54.8% to 22.9%.
Demonstrated a 7.1 °C indoor temperature reduction in a model house test, with UV shielding and visible light transparency.

Conclusions:

The developed hybrid smart window offers multifunctionality with improved energy efficiency and durability.
This approach provides a novel pathway for designing advanced energy-saving smart window systems.
The device shows potential for practical applications in building energy management.