Double-layer structure photoanode with TiO2 nanotubes and nanoparticles for dye-sensitized solar cells

Liqiang Cao, Congcong Wu, Qin Hu, Tetsuro Jin, Bo Chi, Jian Pu, Li Jian

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Here, we report a novel double-layer structure photoanode with TiO 2 nanotube (TNT) layer and TiO2 nanoparticle (TP) layer via a two-step method of electrochemical anodization and screen printing for dye-sensitized solar cells (DSSCs). The results indicate that DSSCs with this double-layer structure have significant advantages of large surface area, long electron lifetime, superior electron recombination restraint characteristics, and high light scattering. The layer thickness of nanotubes and nanoparticles is also investigated and finally an optimized double-layer structure with excellent performance is prepared. With such a double-layer structure photoanode, DSSC with a relative high conversion efficiency of 6.43% and a short-circuit photocurrent density of 16.40 mA·cm-2 is obtained.

Original languageEnglish (US)
Pages (from-to)549-554
Number of pages6
JournalJournal of the American Ceramic Society
Volume96
Issue number2
DOIs
StatePublished - Feb 1 2013

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Nanotubes
Nanoparticles
Screen printing
Electrons
Photocurrents
Short circuit currents
Light scattering
Conversion efficiency
Dye-sensitized solar cells

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Cao, Liqiang ; Wu, Congcong ; Hu, Qin ; Jin, Tetsuro ; Chi, Bo ; Pu, Jian ; Jian, Li. / Double-layer structure photoanode with TiO2 nanotubes and nanoparticles for dye-sensitized solar cells. In: Journal of the American Ceramic Society. 2013 ; Vol. 96, No. 2. pp. 549-554.
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Double-layer structure photoanode with TiO2 nanotubes and nanoparticles for dye-sensitized solar cells. / Cao, Liqiang; Wu, Congcong; Hu, Qin; Jin, Tetsuro; Chi, Bo; Pu, Jian; Jian, Li.

In: Journal of the American Ceramic Society, Vol. 96, No. 2, 01.02.2013, p. 549-554.

Research output: Contribution to journalArticle

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AU - Cao, Liqiang

AU - Wu, Congcong

AU - Hu, Qin

AU - Jin, Tetsuro

AU - Chi, Bo

AU - Pu, Jian

AU - Jian, Li

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AB - Here, we report a novel double-layer structure photoanode with TiO 2 nanotube (TNT) layer and TiO2 nanoparticle (TP) layer via a two-step method of electrochemical anodization and screen printing for dye-sensitized solar cells (DSSCs). The results indicate that DSSCs with this double-layer structure have significant advantages of large surface area, long electron lifetime, superior electron recombination restraint characteristics, and high light scattering. The layer thickness of nanotubes and nanoparticles is also investigated and finally an optimized double-layer structure with excellent performance is prepared. With such a double-layer structure photoanode, DSSC with a relative high conversion efficiency of 6.43% and a short-circuit photocurrent density of 16.40 mA·cm-2 is obtained.

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