UV-light assisted synthesis of high silica faujasite-type zeolite


Currently, the direct synthesis of faujasite-type (FAU) zeolites with Si/Al ratios greater than 3 depends on organic or inorganic additives. Here, we report the first additive-free synthesis of faujasite with Si/Al ratios greater than 3 using ultraviolet (UV) light assistance. The obtained zeolite shows excellent catalytic performance comparable to the commercial zeolite Y.



subject category

Chemistry; Science & Technology - Other Topics; Materials Science


Ferdov, S; Marques, J; Tavares, CJ; Lin, Z; Mori, S; Tsunoji, N

our authors


S.F. thanks SEMAT/UM at the University of Minho and the Portuguese Foundation for Science and Technology (IF/01516/2013) for their support. Z.L. acknowledges the support of the project CICECO-Aveiro Institute of Materials, UIDB/50011/2020 & UIDP/50011/2020, financed by national funds from the Portuguese Foundation for Science and Technology/MCTES. Additionally, S. F. and C. J. T. acknowledge funding from FCT/PIDDAC through the Strategic Funds project reference UIDB/04650/2020-2023. N. T. thanks the support from JSPS KAKENHI (Grant Numbers 15H06425, 17K17906, and 20K15090) , the Center for Research on Functional Nano Oxide at Hiroshima University, and the JSPS Core-to-Core Program.

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