2 article(s) from Volkmer, Dirk
Scheme 1: Synthesis of MFU-4.
Figure 1: Thermogravimetric analysis of MFU-4 before (black) and after (Sample 3a, blue) the loading of SF6 m...
Figure 2: FTIR spectra of MFU-4 before (black) and after (Sample 3a, blue) the loading of SF6. Bands attribut...
Figure 3: Powder X-ray diffraction analysis of MFU-4 before (black) and after (Sample 3a, blue) the loading o...
Figure 4: 19F MAS NMR spectrum of MFU-4 (Sample 3b) loaded with SF6 recorded at room temperature. The spectru...
Figure 5: (a) MFU-4 unit cell showing the linear transition scan path for SF6 crossing a single small pore. (...
Figure 6: Thermogravimetric analysis of MFU-4 loaded with SF6 (Sample 3a) after 0, 1, 3, 7, 14, and 60 days m...
Figure 7: FTIR spectra of MFU-4 loaded with SF6 (Sample 3a) after 0, 1, 3, 7, 14, and 60 days. Bands attribut...
Figure 1: Schematic illustration of the covalent linkage of tetraethylenepentamine to carbon fibers via wet-c...
Figure 2: Transmission electron micrograph of thin silica shells remaining after calcination of the TEPA-modi...
Figure 3: Atomic force micrographs of carbon fibers after 40 min in 30 vol % TMOS solutions with a pretreatme...
Figure 4: a) Scanning and b) transmission electron micrograph of mineralized LPEI aggregates.
Figure 5: Schematic illustration of LPEI mediated silicification of carbon fibers: a) chopped carbon fibers a...
Figure 6: Scanning electron micrographs of a) a carbon fiber coated with a silica shell mediated by LPEI (ins...
Figure 7: Scanning electron micrographs of mineralized LPEI aggregates modified by copper nitrate addition, a...
Figure 8: Scanning electron micrograph of mineralized LPEI aggregates modified by calcium nitrate addition.
Figure 9: Scanning electron micrographs of carbon fibers coated with a silica shell mediated by LPEI with add...
Figure 10: Scanning electron micrograph of a carbon felt with a LPEI mediated silica coating. Inset: photograp...
Figure 11: Scanning electron micrograph of silicon carbide fibers coated with a silica shell mediated by LPEI.