Home > Press > Performance Drop in Solar Cells Prevented by Nanotechnology
Abstract:
Iranian researchers used nanotechnology to produce solar cells that have high efficiency in the conversion of solar energy to electricity.
Performance Drop in Solar Cells Prevented by Nanotechnology
Tehran, Iran | Posted on February 1st, 2015Efforts have been made in this research to use cheap and available raw materials.
In addition to synthesis of organic dye materials to be used in solar cells, in this research some materials were used as anti-accumulation agents in titanium dioxide nanostructure and the performance of the solar cells was studied.
According to Dr. Mojgan Hossein-nejad, dye sensitized solar cells (DSSCs) have right efficiency in the conversion of light to electricity. However, the organic dye materials used in the solar cells have high potential to accumulate on titanium dioxide bed. The application of anti-accumulation agents is one of the practical methods for decreasing the accumulation of dye materials.
The appropriate deposition of dye materials (in form of single-layer) has an important effect on electron transfer to the surface of titanium dioxide. Since the accumulation of organic dye materials on the electrode bed decreases the electron transfer, the main objective of the research was to improve the performance of solar cells by using anti-accumulation agents.
In this research, cholic acid and cheno anti-accumulation agents have been used to prevent the accumulation of dye materials based on indigos.
Results of the research showed that addition of the anti-accumulation agent increases the sorption of organic dye materials and decreases their accumulation on the surface of titanium dioxide nanoparticles. In addition, it also increases the efficiency of the conversion of light to electricity.
Results of the research have been published in Materials Technology, vol. 30, issue 3, 2015, pp. 189-192.
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