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On the origin of increased open circuit voltage of dye-sensitized solar cells using 4-tert-butyl pyridine as additive to the electrolyte
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10.1063/1.2266386
/content/aip/journal/apl/89/6/10.1063/1.2266386
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2266386
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Open circuit voltage as a function of temperature for cells with and without the addition of tBP to the acetonitrile-based electrolyte [ and ]. Straight lines are linear fits to the data. Inset: same data as in main panel but shown on larger scale.

Image of FIG. 2.
FIG. 2.

Number of adsorbed molecules and increase of as a function of tBP concentration in solution. For the data on , the tBP equilibrium concentration in the cell was calculated from the initial concentration in the electrolyte in combination with the known surface area and the adsorption function also shown in this plot.

Image of FIG. 3.
FIG. 3.

UPS data [He(I) light source] from porous samples with and without a saturation coverage of tBP molecules adsorbed. For the determination of the valence band edge, the steep part of the high energy range of the spectra has been extended to the axis. Inset: spectra from another batch of samples. The shift of the peak is clearly identified.

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/content/aip/journal/apl/89/6/10.1063/1.2266386
2006-08-09
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: On the origin of increased open circuit voltage of dye-sensitized solar cells using 4-tert-butyl pyridine as additive to the electrolyte
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2266386
10.1063/1.2266386
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