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Related Experiment Video

Updated: Jul 15, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Black Hole Quencher-Enhanced Plasmonic Photothermal Conversion.

Ruiyuan Zhang^1,2, Xinru Chen^2,3, Lin Shen²

¹School of Information and Electronic Engineering, Shandong Technology and Business University, Yantai, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|July 14, 2026

Summary

Researchers enhanced photothermal conversion efficiency (PCE) using black hole quencher (BHQ) molecules attached to plasmonic nanostructures. This novel hybrid approach significantly boosts PCE for applications like cancer hyperthermia therapy.

Keywords:

black hole quencher electromagnetic field photothermal therapy plasmonic photothermal conversion thermoplasmonics

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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

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Published on: September 27, 2011

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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Area of Science:

Thermoplasmonics
Nanotechnology
Biomedical Engineering

Background:

Improving photothermal conversion efficiency (PCE) in plasmonic nanostructures is crucial but challenging.
Plasmonic nanostructures convert light into heat, with applications in therapy and diagnostics.

Purpose of the Study:

To develop a universal method for dramatically improving the PCE of plasmonic nanostructures.
To investigate the synergistic effects of combining plasmonic nanostructures with black hole quencher (BHQ) molecules.

Main Methods:

Immobilizing nonfluorescent resonant BHQ molecules to matched metal nanostructures to create plasmonic hybrids.
Irradiating the hybrids with laser light to induce charge/energy transfer.
Testing photothermal efficacy and PCE of the hybrids compared to individual components.

Main Results:

The PCE of BHQ-plasmon hybrids was significantly higher (approximately three times) than the sum of individual plasmon and BHQ components.
The hybrid nanoparticles exhibited a nonlinear response to plasmon fields, unlike fluorophores.
Enhanced PCE up to 69.1% in the NIR-II region was achieved, attributed to plasmonic nanoparticles, BHQ, and their mutual interaction.

Conclusions:

The add-on BHQ molecule strategy provides a universal method to dramatically enhance plasmonic photothermal conversion.
BHQ-plasmon hybrids enable highly efficient photothermal conversion for in vitro and in vivo cancer hyperthermia ablation.
This strategy demonstrates broad generalizability across various plasmonic nanostructures and BHQs.