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Nanoplasmon-enabled macroscopic thermal management

Gustav Edman Jönsson (Institutionen för teknisk fysik, Bionanofotonik) ; Vladimir D. Miljkovic (Institutionen för teknisk fysik, Bionanofotonik) ; Alexandre Dmitriev (Institutionen för teknisk fysik, Bionanofotonik)
Scientific Reports (2045-2322). Vol. 4 (2014), p. 5111.
[Artikel, refereegranskad vetenskaplig]

In numerous applications of energy harvesting via transformation of light into heat the focus recently shifted towards highly absorptive nanoplasmonic materials. It is currently established that noble metals-based absorptive plasmonic platforms deliver significant light-capturing capability and can be viewed as super-absorbers of optical radiation. Naturally, approaches to the direct experimental probing of macroscopic temperature increase resulting from these absorbers are welcomed. Here we derive a general quantitative method of characterizing heat-generating properties of optically absorptive layers via macroscopic thermal imaging. We further monitor macroscopic areas that are homogeneously heated by several degrees with nanostructures that occupy a mere 8% of the surface, leaving it essentially transparent and evidencing significant heat generation capability of nanoplasmon-enabled light capture. This has a direct bearing to a large number of applications where thermal management is crucial.

Nyckelord: Characterization and analytical techniques, Solar energy and photovoltaic technology, Metamaterials, Nanophotonics and plasmonics



Denna post skapades 2014-06-09. Senast ändrad 2014-08-21.
CPL Pubid: 199005

 

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Institutioner (Chalmers)

Institutionen för teknisk fysik, Bionanofotonik (2007-2015)

Ämnesområden

Optisk fysik
Termisk energiteknik
Funktionella material
Nanoteknik

Chalmers infrastruktur

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Projekt

Denna publikation är ett resultat av följande projekt:


Plasmon resonance for improving the absorption of solar cells (PRIMA) (EC/FP7/248154)