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The effect of seed size on the growth of silicalite-1 films on gold surfaces
Luleå tekniska universitet.
Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Sofia, Bulgaria.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.ORCID-id: 0000-0003-1053-4623
Luleå tekniska universitet.ORCID-id: 0000-0001-9794-8305
Vise andre og tillknytning
2000 (engelsk)Inngår i: Microporous and Mesoporous Materials, ISSN 1387-1811, E-ISSN 1873-3093, Vol. 38, nr 1, s. 51-60Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Silicalite-1 films grown on gold surfaces seeded with colloidal crystals with a size of 60, 165 and 320 nm were investigated by reflection–absorption infrared spectroscopy, scanning electron microscopy and X-ray diffraction in order to follow up the formation of nano-scale defects and to determine the optimal synthesis conditions for preparation of silicalite-1 films with a low concentration of defects. Using 60-nm-sized colloidal crystals, the seeding method was capable of producing silicalite-1 films with low concentrations of defects and with thicknesses ranging from 100 to 300 nm, which are predominantly oriented with the a-axis perpendicular to the surface. Hydrothermal treatment times of the 60-nm-seeded surfaces longer than 36 h as well as the seeding with 165 or 320 nm colloidal crystals substantially enhanced the formation of defects in the films.

sted, utgiver, år, opplag, sider
2000. Vol. 38, nr 1, s. 51-60
HSV kategori
Forskningsprogram
Kemisk teknologi; Fysikalisk kemi
Identifikatorer
URN: urn:nbn:se:ltu:diva-12752DOI: 10.1016/S1387-1811(99)00299-1ISI: 000089324700006Scopus ID: 2-s2.0-0034232960Lokal ID: be955c20-6f83-11db-962b-000ea68e967bOAI: oai:DiVA.org:ltu-12752DiVA, id: diva2:985703
Merknad

Validerad; 2000; 20060929 (bajo)

Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2021-12-29bibliografisk kontrollert

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Hedlund, JonasHolmgren, AllanSterte, Johan

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