coatings computerstoragedevices conductingpolymers congresses electricbatteries electricpowersuppliestoapparatus electroluminescentdevices energyharvesting energystorage flexibleelectronics fuelcells greenchemistry greentechnology lithiumionbatteries manufacturingprocesses materials materialsscience nanostructuredmaterials perovskitesolarcells phosphors photoelectrochemistry photovoltaiccells photovoltaiceffect photovoltaicpowergeneration powersupply research semiconductors solarcollectors solarenergy supercapacitors thermoelectricmaterials thinfilmdevices thinfilms wearabletechnology