Publications by authors named "Siao-Kwan Wang"
We developed and characterized a Fabry-Pérot (FP) sensor module based micro gas chromatography (microGC) detector for multipoint on-column detection. The FP sensor was fabricated by depositing a thin layer of metal and a layer of gas-sensitive polymer consecutively on the endface of an optical fiber, which formed the FP cavity. Light partially reflected from the metal layer and the polymer-air interface generated an interference spectrum, which shifted as the polymer layer absorbed the gas analyte.
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- Researchers used synchrotron X-ray reflectivity to study the structure of n-dotriacontane (C32) films deposited from vapor onto SiO(2) surfaces, aiming to compare it with solution-deposited films.
- The vapor-deposited films were about 50 Angstroms thick, stable in air, and showed a growth pattern starting with a complete bilayer of molecules aligned parallel to the surface, similar to solution-deposited films.
- After thermal cycling above the melting point, the structural changes in vapor-deposited samples matched a previously inferred phase diagram for solution-deposited films, clarifying discrepancies reported by other researchers regarding different film deposition methods.