Current Issue : July - September Volume : 2020 Issue Number : 3 Articles : 5 Articles
We employed ultra-violet (UV) light treatment on the TiO2 layer prior to coating the\nperovskite layer to improve the solar conversion efficiency of perovskite solar cells (PSCs).......................
In this study, nickel oxide (NiO) nanoparticles were added to a titanium dioxide (TiO2)\nnanoparticle paste to fabricate a dye-sensitized solar cell (DSSC) working electrode by using a\nscreen-printing method.......................
Using scanning tunneling microscopy (STM) and spectroscopy (STS) at the liquid/solid\ninterface, morphology evolution process and energetic level alignment of very thin solid films......................
PbS (lead sulfide) colloidal quantum dots consist of crystallites with diameters in the\nnanometer range with organic molecules on their surfaces, partly with additional metal complexes\nas ligands. These surface molecules are responsible for solubility and prevent aggregation, but the\ninterface between semiconductor quantum dots and ligands also influences the electronic structure.\nPbS quantum dots are especially interesting for optoelectronic applications and spectroscopic\ntechniques, including photoluminescence, photodiodes and solar cells. Here we concentrate on the\nlatter, giving an overview of the optical properties of solar cells prepared with PbS colloidal\nquantum dots, produced by different methods and combined with diverse other materials, to reach\nhigh efficiencies and fill factors....
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