In this study. we focus on the enhanced absorption and reduced recombination of quantum dot solar cells based on photoanodes which were coated by different ZnS or SiO2 passivations using the successive ionic layer absorption and reaction methods. The quantum dot solar cells based on photoanode multilayers. which were coated with a ZnS or SiO2 passivation. https://fitnessgravesyardes.shop/product-category/power-control-board/