ZnO Nanotube Based Dye-Sensitized Solar Cells

We introduce high surface area ZnO nanotube photoanodes templated by anodic aluminum oxide for use in dye-sensitized solar cells (DSSCs). Atomic layer deposition is utilized to coat pores conformally, providing a direct path for charge collection over tens of micrometers thickness. Compared to simil...

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Bibliographic Details
Published in:Nano letters 2007-08, Vol.7 (8), p.2183-2187
Main Authors: Martinson, Alex B. F, Elam, Jeffrey W, Hupp, Joseph T, Pellin, Michael J
Format: Article
Language:English
Subjects:
ALUMINIUM
Applied sciences
Azo Compounds - chemistry
Azo Compounds - radiation effects
CHARGE COLLECTION
Chemical synthesis methods
Coloring Agents - chemistry
Coloring Agents - radiation effects
Cross-disciplinary physics: materials science
rheology
Crystallization - methods
DEPOSITION
Electric Power Supplies
Electronics
Equipment Design
Equipment Failure Analysis
Exact sciences and technology
FABRICATION
FILL FACTORS
Light
Materials science
Materials Testing
Methods of nanofabrication
Molecular electronics, nanoelectronics
Nanoscale materials and structures: fabrication and characterization
Nanotechnology - instrumentation
Nanotechnology - methods
NANOTUBES
Nanotubes - chemistry
Nanotubes - radiation effects
Nanotubes - ultrastructure
OXIDES
Particle Size
PHOTOANODES
Photochemistry - instrumentation
Photochemistry - methods
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
SOLAR CELLS
SOLAR ENERGY
SURFACE AREA
THICKNESS
Zinc Oxide - chemistry
Zinc Oxide - radiation effects
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Summary:We introduce high surface area ZnO nanotube photoanodes templated by anodic aluminum oxide for use in dye-sensitized solar cells (DSSCs). Atomic layer deposition is utilized to coat pores conformally, providing a direct path for charge collection over tens of micrometers thickness. Compared to similar ZnO-based devices, ZnO nanotube cells show exceptional photovoltage and fill factors, in addition to power efficiencies up to 1.6%. The novel fabrication technique provides a facile, metal-oxide general route to well-defined DSSC photoanodes.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl070160+