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Array of solid-state dye-sensitized solar cells with micropatterned TiO2 nanoparticles for a high-voltage power source.

Cho SM, Park HL, Kim MH, Kim SU, Lee SD - Nanoscale Res Lett (2013)

Bottom Line: We demonstrate an array of solid-state dye-sensitized solar cells (SS-DSSCs) for a high-voltage power source based on micropatterned titanium dioxide nanoparticles (TNPs) as photoanodes connected in series.This sacrificial layer approach allows for high pattern fidelity and stability, and it enables to construct stable, micrometer-thick, and contamination-free TNP patterns for developing the SS-DSSC array for miniature high-voltage applications.The array of 20 SS-DSSCs integrated in series is found to show a voltage output of around 7 V.

View Article: PubMed Central - HTML - PubMed

Affiliation: School of Electrical Engineering, Seoul National University, Kwanak, PO Box 34, Seoul 151-600, South Korea. sidlee@plaza.snu.ac.kr.

ABSTRACT
We demonstrate an array of solid-state dye-sensitized solar cells (SS-DSSCs) for a high-voltage power source based on micropatterned titanium dioxide nanoparticles (TNPs) as photoanodes connected in series. The underlying concept of patterning the TNP of a few micrometers thick lies on the combination of the lift-off process of transfer-printed patterns of a sacrificial layer and the soft-cure treatment of the TNP for fixation. This sacrificial layer approach allows for high pattern fidelity and stability, and it enables to construct stable, micrometer-thick, and contamination-free TNP patterns for developing the SS-DSSC array for miniature high-voltage applications. The array of 20 SS-DSSCs integrated in series is found to show a voltage output of around 7 V.

No MeSH data available.


Related in: MedlinePlus

Schematic diagram showing an array of three SS-DSSCs connected in series and a unit cell.
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Figure 3: Schematic diagram showing an array of three SS-DSSCs connected in series and a unit cell.

Mentions: Figure 3 shows the array configuration of three DSSCs connected in series together with a cross-sectional view of a unit cell consisting of the FTO layer, TNPs with dyes, HTM, and Au electrode. For the series connection, the Au cathode in a certain unit cell is connected to the patterned FTO layer in the adjacent unit cell. In describing the charge flow in the unit DSSC, when the incoming light is absorbed by the photosensitizing dyes, the electrons are injected into the conduction band of the TNPs and move toward the FTO electrode. Meanwhile, the oxidized dyes are reduced by the HTM which is regenerated at the Au cathode[16].


Array of solid-state dye-sensitized solar cells with micropatterned TiO2 nanoparticles for a high-voltage power source.

Cho SM, Park HL, Kim MH, Kim SU, Lee SD - Nanoscale Res Lett (2013)

Schematic diagram showing an array of three SS-DSSCs connected in series and a unit cell.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4221643&req=5

Figure 3: Schematic diagram showing an array of three SS-DSSCs connected in series and a unit cell.
Mentions: Figure 3 shows the array configuration of three DSSCs connected in series together with a cross-sectional view of a unit cell consisting of the FTO layer, TNPs with dyes, HTM, and Au electrode. For the series connection, the Au cathode in a certain unit cell is connected to the patterned FTO layer in the adjacent unit cell. In describing the charge flow in the unit DSSC, when the incoming light is absorbed by the photosensitizing dyes, the electrons are injected into the conduction band of the TNPs and move toward the FTO electrode. Meanwhile, the oxidized dyes are reduced by the HTM which is regenerated at the Au cathode[16].

Bottom Line: We demonstrate an array of solid-state dye-sensitized solar cells (SS-DSSCs) for a high-voltage power source based on micropatterned titanium dioxide nanoparticles (TNPs) as photoanodes connected in series.This sacrificial layer approach allows for high pattern fidelity and stability, and it enables to construct stable, micrometer-thick, and contamination-free TNP patterns for developing the SS-DSSC array for miniature high-voltage applications.The array of 20 SS-DSSCs integrated in series is found to show a voltage output of around 7 V.

View Article: PubMed Central - HTML - PubMed

Affiliation: School of Electrical Engineering, Seoul National University, Kwanak, PO Box 34, Seoul 151-600, South Korea. sidlee@plaza.snu.ac.kr.

ABSTRACT
We demonstrate an array of solid-state dye-sensitized solar cells (SS-DSSCs) for a high-voltage power source based on micropatterned titanium dioxide nanoparticles (TNPs) as photoanodes connected in series. The underlying concept of patterning the TNP of a few micrometers thick lies on the combination of the lift-off process of transfer-printed patterns of a sacrificial layer and the soft-cure treatment of the TNP for fixation. This sacrificial layer approach allows for high pattern fidelity and stability, and it enables to construct stable, micrometer-thick, and contamination-free TNP patterns for developing the SS-DSSC array for miniature high-voltage applications. The array of 20 SS-DSSCs integrated in series is found to show a voltage output of around 7 V.

No MeSH data available.


Related in: MedlinePlus