Understanding the Interface between Nanoporous Inorganic Materials and Polymer for Organic-Inorganic Composite Gas Separation Membranes Hae-Kwon Jeong, Department of Chemical Engineering, Texas A&M University College Station, TX 77843-3122 - Model zeolite films prepared on Si with our new “micro micro-tile-and-mortar-joint tile and mortar joint “method method vs vs. conventional method, showing a drastically different surface morphology
1. PDMS stamp
2. Organosilane layer 3. Transfer of the layer
6. Calcination
5. Secondary growth
3 μm Silicalite-1 γ-Al2O3 α-Al2O3
2.2 μm
5 μm
4. PDMS lift-up
- A self-assembled f silane monolayer was used as a passivation layer to prevent the out-of-plane growth, resulting in the oriented films and membranes with better grain boundary structure.