Beilstein J. Nanotechnol.2011,2, 284–292, doi:10.3762/bjnano.2.33
compound prepared from pyrenesulfonyl chloride and APTES via sulfamidation immediately yielded a flocculent precipitate when brought in contact with TEOS. This observation might be explained by the combination of the pyrene moieties, forming strong π-bonding interactions, and the highly polar hydrogen
bonding sulfonamide, causing the compound to become inhomogeneous in TEOS. As expected, the material obtained from the pyrene precursor showed a drastically decreased inner surface area of only 322 m2·g−1 and no ordered material structure at all.
The CHNS analysis of MCM-ACR clearly indicates a slightly
Beilstein J. Nanotechnol.2010,1, 60–70, doi:10.3762/bjnano.1.8
-triyltriboronic acid (BTBA) and pyrene-2,7-diylboronic acid (PDBA) were considered as linkers a–e, respectively, with -B(OH)2 groups attached to each point of extension (Figure 5). Self-condensation of these building blocks result in the formation of B3O3 rings and the resultant COFs are those made of connector I
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Figure 1:
The connector (I–IV) and linker (a–e) units considered in this work. The same nomenclature is used ...