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X-ORIGINAL-URL:https://w3.lnf.infn.it
X-WR-CALDESC:Eventi per INFN-LNF
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TZID:Europe/Rome
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TZOFFSETFROM:+0100
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DTSTART:20190331T010000
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DTSTART:20191027T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20191216T143000
DTEND;TZID=Europe/Rome:20191216T160000
DTSTAMP:20260909T165853
CREATED:20191205T184809Z
LAST-MODIFIED:20191223T184723Z
UID:21744-1576506600-1576512000@w3.lnf.infn.it
SUMMARY:Photothermal Lens Spectroscopy: A Highly Sensitive Technique for Characterization of Low Absorbing materials
DESCRIPTION:In order to characterize low absorbing materials\, where UV-vis spectrophotometry does not provide enough sensitivity\, other more sensitive methods are needed. Photothermal lens technique is a very sensitive method to detect and photothermal characterize of materials. The thermal lens technique measures the amount of heat generated followed by the absorption of light in a sample. The heat produces a temperature gradient in the medium which generates a spatial refractive index gradient called a thermal lens. The performance of this method and applications such as photocatalytical degradation of dyes as well as the photothermal characterization of plasmonic nanostructures\, quantum dots and graphene are presented.
URL:/event/photothermal-lens-spectroscopy-a-highly-sensitive-technique-for-characterization-of-low-absorbing-materials/
LOCATION:Aula Seminari\, Via Enrico Fermi\, 40\, Frascati\, Roma\, 00044\, Italia
CATEGORIES:Seminari teorici
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