The NSF Nanoscale Science and Engineering Center for High-rate Nanomanufacturing (CHN) Ahmed Busnaina, Joey Mead, Glen Miller, Carol Barry, Nick McGruer.

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Presentation transcript:

The NSF Nanoscale Science and Engineering Center for High-rate Nanomanufacturing (CHN) Ahmed Busnaina, Joey Mead, Glen Miller, Carol Barry, Nick McGruer and Jacqueline Isaacs Nanotemplates From Low to High Risk Directed Assembly : Electrophoresis & Chemical Functionalization Transfer Variations in SWNT $/g for Alternative Levels of Industrial Hygiene Practice Polymers wires SWNT Cost/gm Nanowire Templates SWNT Assembly No Alignment SWNT Exposure Assembled Polymer Macromolecular rapid communications 27, 1826 (2006). Education & Outreach J. Macromol. Rap. Comm. 27, 1826 (2006). Assembled Nanoparticles Nanotrench Templates Field Assisted Nanopatterning Responsible NanoManufacturing Assembly of SWNT in 80nm trenches Assembly of 10nm particles Appl. Phys. Lett. 90, 243108 (2007). Appl. Phys. Lett. 89, 193108 (2006). Substrate AFM tip Molecular Coating + - Tip Moving Direction E Charged Organic Molecule Small 3, 2006 (2007). Assembly of polymer blends Neutral Organic Molecule Assembly of SWNT in 500nm trenches Testbeds & Applications Roadmap Nanoelements and Functionalization Template-free Directed Assembly: Dielectrophoretic Functionalized Fullerenes Nanomaterial Properties Assembly of 50 nm particles 200nm Assembly of one SWNT Appl. Phys. Lett. 91, 063101 (2007) Surface Area Metals/Impurities Surface Charge Morphology Crystallinity Solubility in biological fluids Etc…. Hydrogenated debundled SWNTs Appl. Phys. Lett. 90, 083105 (2007) Assembly of 10nm Particle Normalized G-bands D-band after Hydrogenation Self-Assembly of Functionalized Fullerenes; Spacing provided by alkenthiols and COOH Groups D-band before Ferric Reducing Ability of Serum (FRAS) Toxicity Screening Nanotemplates Directed Assembly of Nanoelements Transfer Reuse of Template