NASA Emissions Reduction and Alternative Fuels Research UTIAS ...
NASA Emissions Reduction and Alternative Fuels Research UTIAS ...
NASA Emissions Reduction and Alternative Fuels Research UTIAS ...
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Electron Microscopy, Spectroscopy <strong>and</strong><br />
Chemical Analysis of Aircraft Engine Particulate<br />
Microstructure - morphology<br />
Low resolution TEM<br />
provides aggregate<br />
size <strong>and</strong> shape for<br />
particles captured<br />
on netmesh TEM grids<br />
Chemical Composition<br />
Nanostructure - carbon organization<br />
High resolution TEM<br />
provides direct<br />
visualization of<br />
graphitic, fullerenic<br />
<strong>and</strong> amorphous<br />
contents of soot.<br />
Surface Chemistry<br />
Defective<br />
sp3<br />
Carboxylic<br />
-C-OOH<br />
Phenolic<br />
-C-OH<br />
Graphitic<br />
sp2<br />
Survey XPS scans provide elemental content High res. XPS scans provide surface chemistry<br />
PI: Dr. R<strong>and</strong>y L. V<strong>and</strong>er Wal (USRA @ <strong>NASA</strong>-Glenn) Support: <strong>NASA</strong> Aero2007 NRA<br />
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