Effect of Annealing Temperature on the Performances and Electrochemical Properties of TiO2 Dye-Sensitized Solar Cells
The influences of thermal annealing on the microstructure, dye-adsorption, surface area, electrical properties and power conversion efficiency of well-crystallized TiO2 photoelectrodes of dye-sensitized solar cells have been systematically investigated. Although the heat
treatment of TiO2 photoelectrodes at higher temperatures was found to result in an enhanced electron transport, it was accompanied with a reduced specific surface area and less adsorbed dye molecules. A power conversion efficiency of 5.1 ± 0.2% was obtained with a negligible
deviation for the samples heat-treated at temperatures ranging from 350 °C to 600 °C.
Keywords: ANNEALING TEMPERATURE; DYE-SENSITIZED SOLAR CELLS; IMPEDANCE SPECTROSCOPY; MORPHOLOGY; SURFACE AREA
Document Type: Research Article
Publication date: 01 July 2012
- Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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