Published By National Aeronautics and Space Administration
Issued mehr als 9 Jahre ago
Summary
Description
<p>Our objective is to apply CVD and non-CVD carbon nanotubes to complex shapes that numerous scientists have requested for stray light control.&nbsp; Currently, CVD nanotubes can only be grown on flat surfaces due to limitations in line-of-sight physical vapor deposition techniques such as e-beam evaporation. &nbsp;&nbsp;For CVD our adhesion and catalyst layers must be applied on the on the component with extreme uniformity to a thickness of 1 to 2 nm for ideal performance.&nbsp;&nbsp; Then the component must be placed in the thermal reactor furnace flow in a way that allows uniform exposure to the carbon bearing gas. &nbsp;Our first focus area is to utilize atomic layer deposition (ALD) to apply our adhesion and catalyst layers conforming to the desired substrate surface.&nbsp; This will allow fabrication of components that are dark on all surfaces instead of just on one surface.</p>
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