Utilization of Carbon Nanospheres in Photocatalyst Production: From Composites to Highly Active Hollow Structures Gyulavári, Tamás ; Veréb, Gábor ; Pap, Zsolt ; Réti, Balázs ; Baan, Kornelia ; Todea, Milica ; Magyari, Klára ; Szilágyi, Imre Miklós ; Hernadi, Klara Abstract Publication: Materials Pub Date: August 2019 DOI: 10.3390/ma12162537 Bibcode: 2019Mate...12.2537G