Synthesis of ultra thin films of molecular sieves by the seed film method

Publication: Research - peer-reviewArticle in proceedings

Jonas Hedlund ; B.J. Schoeman ; Johan Sterte

A novel and flexible technique for synthesizing continuous ultra thin (<100 nm) molecular sieve films on substrates has been developed. The technique consists of two steps. A monolayer of discrete colloidal zeolite seed crystals is adsorbed on the substrate, whereafter the crystals are allowed to grow into a continuous film upon hydrothermal treatment in a molecular sieve precursor solution. The technique is exemplified by the formation of silicalite-1 films on silicon wafers. The final film thickness in the examples presented was in the range 80 and 800 nm. The films are continuous and crystalline as confirmed by SEM, Kr-adsorption data, ellipsometry, XRD and FTIR.
Original languageEnglish
Title of host publicationProgress in zeolite and microporous materials : Proceedings of the 11th International Zeolite Conference, Seoul, Korea, 12-17 August 1996
Number of pages8
Place of PublicationAmsterdam
Publication date1997
ISBN (print)0-444-82344-1
StatePublished - 1997


ConferenceInternational Zeolite Conference
LandKorea, Republic of
NameStudies in surface science and catalysis

Event (Conference etc)

International Zeolite Conference

Aug. 12 1996 - Aug. 17 1996

Seoul, Korea, Republic of

Event (Conference etc): Conference