What is it about?
We measure the amount of heat generated upon absorption of light in the visible range of the spectrum. The spectrum is different from the one obtained in regular transmission spectroscopy which measures all losses that occur during propagation through the sample. Combining both spectra we measure the scattering properties of the nanoparticles.
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Why is it important?
The method represents a practical way to estimate the absorption and scattering efficiency of nanoparticles and other complex samples.
Perspectives
Develop a new kind of spectroscopy and spectrophotometers to understand the properties of samples which exhibit a complex behavior upon interaction with light
Dr. Aristides Marcano
Delaware State University
Read the Original
This page is a summary of: Photothermal Determination of Absorption and Scattering Spectra of Silver Nanoparticles, Applied Spectroscopy, October 2017, SAGE Publications,
DOI: 10.1177/0003702817738056.
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