“…Among them, electrospun functional nanofibers are nanofibers composed of metals, metal oxides, and sulfates, as well as ceramics or composites of such materials with organic polymers. They display properties such as fluorescence, 7 electroluminescence, 8 conductivity, [9][10][11][12] photovoltaic effects, 13 photocatalytic effects 14,15 and ferromagnetism 16 that can be applied in optical and electronic sensors, 13 lithium ion batteries, 17 fuel cells, 18 and solar cells, 19 as well as energy harvesting 20 and storage systems. 21…”