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Abstract
Plasmonic nanoparticles are widely recognized as photothermal conversion agents, i.e., nanotransducers or nanoheaters. Translation of these materials into practical applications requires quantitative analyses of their photothermal conversion efficiencies (η). However, the value of η obtained for different materials is dramatically influenced by the experimental setup and method of calculation. Here, we evaluate the most common methods for estimating η (Roper’s and Wang’s) and compare these with numerical estimates using the simulation software ANSYS. Experiments were performed with colloidal gold nanorod solutions suspended in a hanging droplet irradiated by an 808 nm diode laser and monitored by a thermal camera. The ANSYS simulations accounted for both heating and evaporation, providing η values consistent with the Wang method but higher than the Roper approach. This study details methods for estimating the photothermal efficiency and finds ANSYS to be a robust tool where experimental constraints complicate traditional methods.
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Authors (9)
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Maria Nevárez Martínez
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
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Maciej Grzegorczyk
- Faculty of Mathematics, Physics, and Informatics, Institute of Experimental Physics, University of Gdańsk, Wita Stwosza 57, 80-308 Gdańsk, Poland
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Sebastian Mahlik
- Faculty of Mathematics, Physics, and Informatics, Institute of Experimental Physics, University of Gdańsk, Wita Stwosza 57, 80-308 Gdańsk, Poland
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Narajczyk Magdalena dr hab.
- Bioimaging Laboratory, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
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Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdańsk, Poland
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P. Demosthenes Morales
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States of America
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Jennifer Hollingsworth
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States of America
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James Werner
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States of America
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acs.nanolett.4c04872
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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NANO LETTERS
no. 25,
pages 230 - 235,
ISSN: 1530-6984 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Nevárez Martínez M., Kreft D., Grzegorczyk M., Mahlik S., Magdalena N., Zaleska-Medynska A., Morales P. D., Hollingsworth J., Werner J.: Numerical Simulation of Light to Heat Conversion by Plasmonic Nanoheaters// NANO LETTERS -Vol. 25,iss. 1 (2024), s.230-235
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acs.nanolett.4c04872
- Sources of funding:
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- Free publication
- Verified by:
- Gdańsk University of Technology
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