U. S. Sajeev

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Polyaniline is a widely studied conducting polymer and is a useful material in its bulk and thin film form for many applications, because of its excellent optical and electrical properties. Pristine and iodine doped polyaniline thin films were prepared by a.c. and rf plasma polymerization techniques separately for the comparison of their optical and(More)
Dye Sensitized solar cell (DSSC) have been looked upon as having the potential to modernize photovoltaic as a cost effective technology. Especially nanostructured DSSC is proposed to have the capability to boost the efficiency by limiting charge recombination, thereby increasing the charge transportation which affects the overall conversion efficiency(More)
A Perovskite solar cell is a type of solar cell which includes a perovskite structured compound, most commonly a hybrid organic-inorganic lead or tin halide based material, as the light harvesting active layer. In this work solar cell based on titanium dioxide (TiO2) thin film, sensitized with methyl ammonium lead iodide (CH3NH3PbI3) perovskite are(More)
Nanoparticles are of immense importance both from the fundamental and application points of view. They exhibit quantum size effects which are manifested in their improved magnetic and electric properties. Mechanical attrition by high energy ball milling (HEBM) is a top down process for producing fine particles. However, fineness is associated with high(More)
Cell-based therapeutics are promising routes for the regeneration of damaged cells and organs. The recovery of cells cultured in vitro for such applications requires the use of proteolytic enzymes which deteriorate its property by disruption of cell–cell and cell–matrix interactions. Intact cell sheets can be retrieved with the use of thermo responsive(More)
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