Jaroniec.Three-Dimensional Cubic (Im3m) Periodic Mesoporous Organosilicas with Benzene- and Thiophene-Bridging Groups. Journal of Materials Chemistry . 2009Cho E-B,Kim D,Górka J. Three-dimensional cubic (Im3m) periodic mesoporous organosilicas with benzene-and thiophene-bridging groups[J].Journal ...
Well-ordered three-dimensional (3D) Im3m -type mesostructured carbon with a cavity size of 4.59 nm has been synthesized using mesoporous SBA-16 silica having a cavity size of 7.91 nm as a hard template, and characterized by means of SAXS, nitrogen adsorption, TGA and TEM techniques. Character...
Im3m. 9 Itwasalsoreportedthatsomeofthechiral‘‘Im3m’’ phasesundergoameltingtransitiontochiralisotropicliquid. 10 Sincethemoleculesinvolvedinthesefindingsareachiral,the originofthechiralityistobeattributedtothespontaneous ‘‘crystallization’’oftwistedmoleculararrangements.Notethat ...
-1 .0 GO TO 3 9 ALL W E I G H T S = l r 4 4 1 LOOK AT EACH P O I N T AND WEIGHT THEM I F YOU WANT T O A 215 A 216 A 217 A 218 A 219 A 220 A 221 A 222 A 223 A 224 A 225 A 226 A 227 A 228 A 229 3 6 CALL PLPT (X.YY.NOI XRAY ( 2 J = X ...
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Cubic (Im3m) structured mesoporous benzene–silica is prepared in the presence of a Pluronic F127 PEO-PPO-PEO template under acidic conditions and sulfonated with ~ 98% sulfuric acid using a post-grafting method. The sulfonated mesoporous materials are mixed with a sPEEK (65% of sulfonation ...
Cubic (Im3m) structured mesoporous benzene-silica is prepared in the presence of a Pluronic F127 PEO-PPO-PEO template under acidic conditions and sulfonated with ~ 98% sulfuric acid using a post-grafting method. The sulfonated mesoporous materials are mixed with a sPEEK (65% of sulfonation ...
Testing the triple network structure of the cubic Im3m (I) phase by isomorphous replacement and model refinement. Zeng, Xiangbing,Cseh, Liliana,Mehl, Georg H.,Ungar, Goran. Journal of Materials . 2008Zeng X, Cseh L, Mehl GH, et al. Testing the triple network structure of the cubic Im...
A novel facile route, denoted here as I0HOCOOS+, was reported to synthesize cubicIm3mmesoporous silicas and metal substituted analogues for the first time by utilizing commercial conventional cationic surfactant cetyltrimethylammonium bromide (CTAB) to direct the mesostructures along with citric acid ...