Understanding the Interface between Nanoporous Inorganic

Separation Membranes Hae-Kwon Jeong, Department of Chemical Engineering, Texas A&M University College Station, TX 77843-3122 ...
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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.