Molecularly ordered nanoporous organosilicates prepared with and without surfactants

The first example of pure periodic mesoporous organosilica (O3/2Si-CH=CH-C6H4-CH=CH-SiO3/2) containing aromatic and olefinic functional groups was synthesized using a single precursor. In addition to the long-range order of the pore system, this material exhibited a structural periodicity with a spacing of 11.9 A due to the formation of lamellar bis(ethen-2-yl)benzene silica within the pore walls. It was also demonstrated that the molecular order can be achieved regardless of the occurrence of a periodic pore system or the use of surfactants.