Perovskite solar cells (PSCs) are a promising and fast-growing type of photovoltaic cell due to their low cost and high conversion efficiency. The high efficiency of PSCs is closely related to the quality of the photosensitive layer. and the high-quality light absorbing layer depends on the growth condition of the crystals. In the formation of high-quality crystals. https://www.coers.shop/product-category/gift-cards/