Dye-Sensitized solar cells

Sensitizer-Dependent injection into ZnO nanotube electrodes

Rebecca A. Jensen, Hal Van Ryswyk, Chunxing She, Jodi M. Szarko, Lin X. Chen, Joseph T Hupp

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Two poi'phyrin-based dyes with carboxylic acid tethers of differing acidity in both protonated and deprotonated forms were examined on ZnO nanotube electrodes. All of the dyes have similar surface coverage, but only the more acidic dye in the acid form injects electrons well; this dye is the only one that corrodes the ZnO. In control experiments on TiO2 nanoparticle electrodes, both dyes load and inject in protonated and deprotonated forms. These results are consistent with a requirement that the dye must partially corrode the ZnO surface in order for efficient injection to occur. Alternatively, it may possibly point to a coupling of electron injection to proton uptake

Original languageEnglish
Pages (from-to)1401-1404
Number of pages4
JournalLangmuir
Volume26
Issue number3
DOIs
Publication statusPublished - Feb 2 2010

Fingerprint

Nanotubes
nanotubes
Coloring Agents
Dyes
solar cells
dyes
injection
Electrodes
electrodes
Electron injection
Carboxylic Acids
Carboxylic acids
Acidity
acidity
carboxylic acids
Dye-sensitized solar cells
Protons
electrons
Nanoparticles
nanoparticles

ASJC Scopus subject areas

  • Electrochemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Science(all)
  • Spectroscopy

Cite this

Jensen, R. A., Van Ryswyk, H., She, C., Szarko, J. M., Chen, L. X., & Hupp, J. T. (2010). Dye-Sensitized solar cells: Sensitizer-Dependent injection into ZnO nanotube electrodes. Langmuir, 26(3), 1401-1404. https://doi.org/10.1021/la902991z

Dye-Sensitized solar cells : Sensitizer-Dependent injection into ZnO nanotube electrodes. / Jensen, Rebecca A.; Van Ryswyk, Hal; She, Chunxing; Szarko, Jodi M.; Chen, Lin X.; Hupp, Joseph T.

In: Langmuir, Vol. 26, No. 3, 02.02.2010, p. 1401-1404.

Research output: Contribution to journalArticle

Jensen, RA, Van Ryswyk, H, She, C, Szarko, JM, Chen, LX & Hupp, JT 2010, 'Dye-Sensitized solar cells: Sensitizer-Dependent injection into ZnO nanotube electrodes', Langmuir, vol. 26, no. 3, pp. 1401-1404. https://doi.org/10.1021/la902991z
Jensen, Rebecca A. ; Van Ryswyk, Hal ; She, Chunxing ; Szarko, Jodi M. ; Chen, Lin X. ; Hupp, Joseph T. / Dye-Sensitized solar cells : Sensitizer-Dependent injection into ZnO nanotube electrodes. In: Langmuir. 2010 ; Vol. 26, No. 3. pp. 1401-1404.
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