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Effect of multi-walled carbon nanotubes on the stability of dye sensitized solar cells
Institut National de la Recherche Scientifique.
Institut National de la Recherche Scientifique.
Institut National de la Recherche Scientifique.
SENSOR Lab, Department of Information Engineering, University of Brescia.ORCID-id: 0000-0003-2935-1165
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2013 (Engelska)Ingår i: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 233, s. 93-97Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We report the improvement of the operational stability of dye-sensitized solar cells (DSSCs) by incorporating multi-wall carbon nanotubes (MWCNTs) in conventional nanostructured semiconducting TiO2 photoanodes. DSSCs were prepared by adding various concentrations of MWCNTs (up to 1.0% wt.) to TiO2 anatase nanoparticles. Optimization of MWCNT concentration leads to photoconversion efficiency as high as 4.1% as opposed to 3.7% for pure TiO2 photoanodes. The performance of the solar cells was measured for 10 consecutive days of continuous ambient light exposure. MWCNT addition results in the decrease of efficiency from 4.1% to 3.7%, while a decrease from 3.7% to 2.4% was recorded in pure TiO2 photoanodes. These results are encouraging toward the commercial exploitation of DSSCs.© 2013 Elsevier B.V. All rights reserved.

Ort, förlag, år, upplaga, sidor
2013. Vol. 233, s. 93-97
Nyckelord [en]
DSSC operational stability, Dye sensitized solar cells (DSSCs), Multi-walled carbon nanotubes (MWCNTs), Power conversion efficiency, Titanium dioxide
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URN: urn:nbn:se:ltu:diva-15337DOI: 10.1016/j.jpowsour.2013.01.075ISI: 000316827000014Scopus ID: 2-s2.0-84873668421Lokalt ID: ed57e83d-cc31-4da8-8f37-be06b82806dfOAI: oai:DiVA.org:ltu-15337DiVA, id: diva2:988311
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Upprättat; 2013; 20141115 (albvom)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2023-05-08Bibliografiskt granskad

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Vomiero, Alberto

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