The world’s needs for energy have been growing sharply, so Egypt is struggling to meet its own needs especially concerning fossil fuels. Solar energy plays an important role to reduce energy consumption. Based on Organolead halide perovskite solar cells (PSCs) show great promise as a new large scale and cost-competitive photovoltaic technology. The power conversion efficiencies (PCE) have achieved over 15% within 18 months of development, and thus perovskite materials have attracted great attention in photovoltaic research. However, the manufacture of PSCs raises environmental concerns regarding the overproduction of raw lead ore, which has harmful health and ecological effects. Herein, we report an environmentally-responsible process to fabricate efficient PSCs by reusing car batteries to simultaneously avoid the disposal of toxic battery materials and provide an alternative, readily-available lead sources for PSCs. Moreover, we made tracking system by using electronics to make our PSC follow the sun like so the sun radiation always perpendicular on the cell. Overheat, dust and humidity impact negatively on PSC because it changes the chemical structure of perovskite film, hence we coated Polydimethylsiloxane (PDMS) which makes our cell hydrophobic, has excellent temperature resistance and good resistance to certain acids and solvents so energy crisis can be solved by what is considered as (PTSC).
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