Flexible CuS nanotubes–ITO film Schottky junction solar cells with enhanced light harvesting by using an Ag mirror

Here we report the fabrication of a novel photovoltaic device based on CuS nanotubes (CuSNTs) and indium tin oxide (ITO) Schottky junctions. Large-quantity synthesis of CuSNTs was accomplished via a solution-based sacrificial template method under moderate conditions, while ITO Schottky contacts were fabricated via micro-fabrication and pulsed laser deposition (PLD). Upon light illumination, CuSNTs–ITO Schottky junctions exhibited pronounced photovoltaic behavior, giving rise to a power conversion efficiency of 1.17% on a conventional SiO 2 /Si substrate. Furthermore, by utilizing PET as the substrate, transparent and flexible CuSNTs–ITO solar cells were constructed and showed performance close to their device counterparts on a rigid substrate. Notably, it was found that the flexible devices were robust against tensile strain and could stand a bending angle up to ∼95°. To enhance the light absorption of the devices, an Ag mirror layer was deposited on the rear side of th…

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2013-01-08 09:03:53

Source: http://nanochemistry.blogspot.com/2013/01/flexible-cus-nanotubesito-film-schottky.html