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Submicrometer-scale ZnO Composite Aggregate Arrays Photoanodes for Dye-sensitized Solar Cells
- Source :
- Journal of Materials Science & Technology. 29:415-418
- Publication Year :
- 2013
- Publisher :
- Elsevier BV, 2013.
-
Abstract
- Submicrometer-scale ZnO composite aggregate arrays of nanorods and nanoparticles were prepared by simple wet-chemical route and studied as dye-sensitized solar cells (DSSCs) photoanodes. The ZnO composite aggregate arrays significantly improved the efficiency of DSSCs due to their relatively high surface area, fast electron transport, and enhanced light-scattering capability. A short current density ( J sc ) of 11.7 mA/cm 2 and an overall solar-to-electric energy conversion efficiency ( η ) of 3.17% were achieved for the ZnO composite aggregate DSSCs, which were much higher than those obtained for the monodisperse aggregate DSSCs ( J sc = 6.9 mA/cm 2 , η = 1.51%) and ZnO nanorod array DSSCs ( J sc = 4.2 mA/cm 2 , η = 0.61%).
- Subjects :
- Materials science
Polymers and Plastics
business.industry
Mechanical Engineering
Composite number
Energy conversion efficiency
Metals and Alloys
Nanoparticle
Nanotechnology
Dye-sensitized solar cell
Field electron emission
Semiconductor
Chemical engineering
Mechanics of Materials
Materials Chemistry
Ceramics and Composites
Nanorod
business
Current density
Subjects
Details
- ISSN :
- 10050302
- Volume :
- 29
- Database :
- OpenAIRE
- Journal :
- Journal of Materials Science & Technology
- Accession number :
- edsair.doi...........4271067bca09e9b23f0199401871063a