id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12798		cet-12798		6	.pdf	application/pdf	2738	103	35	Semiconductor metal sulphides composites have unique physicochemical properties making a widespread potential in applications such as solar cells, drug delivery, sensors, catalysis, and environmental pollution both 1447 air and water (Wang et al., 2014). Transition-metal chalcogenides such as ZnS and CuS have been extensively studied due to their excellent photochemical and luminescent properties (Wang et al., 2016).	cache/cet-12798.pdf	txt/cet-12798.txt