Endre søk
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Functionalized multi-wall carbon nanotubes/TiO2 composites as efficient photoanodes for dye sensitized solar cells
INRS Centre for Energy, Materials and Telecommunications.
INRS Centre for Energy, Materials and Telecommunications.
Département de Génie Électrique, École de Technologie Supérieure, Montréal.
INRS Centre for Energy, Materials and Telecommunications, CNR-INO SENSOR Lab.
Vise andre og tillknytning
2016 (engelsk)Inngår i: Journal of Materials Chemistry C, ISSN 2050-7526, E-ISSN 2050-7534, Vol. 4, nr 16, s. 3555-3562Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We report on the effects of incorporation of different concentrations of carboxyl group (COOH)-functionalized multi-wall carbon nanotubes (F-MWCNTs) into TiO2 active layers for dye-sensitized solar cells (DSSCs). Standard DSSCs with bare TiO2 exhibit a photo-conversion efficiency (PCE) of 6.05% and a short circuit current density (Jsc) of 13.3 mA cm−2. The presence of 2 wt% F-MWCNTs in the photoanodes increases the PCE up to 7.95% and Jsc up to 17.5 mA cm−2. The photoanodes were characterized using scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy and Raman spectroscopy. The electrochemical behaviour of the solar cells was investigated by electrochemical impedance spectroscopy (EIS). We attribute the improved performances to the combined effect of increased dye loading and reduced charge recombination (as clarified by dye loading and EIS measurements), due to the conformal coverage of F-MWCNTs, which allows fast and efficient charge collection in operating solar cells. These results can help in improving the PCE in DSSCs in an elegant and straightforward way, minimizing the need of additional steps (e.g. pre- and post-treatment with TiCl4) for photoanode preparation.

sted, utgiver, år, opplag, sider
2016. Vol. 4, nr 16, s. 3555-3562
HSV kategori
Forskningsprogram
Experimentell fysik
Identifikatorer
URN: urn:nbn:se:ltu:diva-7147DOI: 10.1039/C6TC00800CISI: 000374785300024Scopus ID: 2-s2.0-84966297226Lokal ID: 577e8da1-8e69-4625-9b28-9c3e9ef819d3OAI: oai:DiVA.org:ltu-7147DiVA, id: diva2:980035
Merknad
Validerad; 2016; Nivå 2; 20160408 (jacnas)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

Open Access i DiVA

Fulltekst mangler i DiVA

Andre lenker

Forlagets fulltekstScopus

Personposter BETA

Concina, IsabellaVomiero, Alberto

Søk i DiVA

Av forfatter/redaktør
Concina, IsabellaVomiero, Alberto
Av organisasjonen
I samme tidsskrift
Journal of Materials Chemistry C

Søk utenfor DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric

doi
urn-nbn
Totalt: 233 treff
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf