Using Piezoelectric Printing to Pattern Nanoparticle Thinfilms Jan Sumerel, Ph.D. FUJIFILM Dimatix, Inc. Santa Clara, California USA Acknowledgements • Vanderbilt University – – – – David Wright Leila Deravi Sarah Sewell Aren Gerdon • University of North Carolina, Chapel Hill – Roger Narayan – Andy Doraiswamy • NASA Ames – Cattien Nguyen • Santa Clara University – Angel Islas – John Choy Nanoscale Engineering "Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications." (U.S. National Nanotechnology Initiative: www.nano.gov) Therefore nanoscale engineering is the design, analysis, and/or construction of materials containing nanostructures. Dimatix Materials Printer Simple Biosensor A hybrid device with both inorganic and organic materials Using Ink Jet Printing as Straightforward Technique for Nanomaterial Thinfilm Production Drop on Demand mwCNTs Contact angle determines wettability (drop spread) of mwCNTs Contact Angle (º) 13.10 Bioinks •Bacterial Cells •Yeast •Proteins •Nucleic Acids •DNA scaffolds Piezoelectric Ink Jetting Biological Materials Are there obstacles? • Often aqueous solutions – High surface tension – Water = 72.8 dynes/cm • Low viscosity – 0.89 – 3.00 centipoise • “Friendly” surfactants? – CMC Water on glycerin http://serve.me.nus.edu.sg/siggi/maran goni_instability_of_a_water.htm Bioinks Are they non-Newtonian fluids? www.wikipedia.com What happens to a Fluid in the Shear Field Environment? Relative sizes of Matter and Order of Magnitude http://micro.magnet.fsu.edu/cells/index.html Piezoelectric Inkjet Printing of 3.2 kB plasmid DNA Repeatability of Ink Jetted Genomic DNA and PCR amplification Streptavidin Printed in Methyl Cellulose Gel Retains Tertiary Structure Fourier Transform Infrared Spectroscopy Cy3 IgG Protein Array N o DH10B Bacterial Cells Other Sensor Components • Quantum Dots • Electroinks – Conductive Silver Precursor Fluids – PEDOT/PSS – Carbon Nanotubes Ink Jet Printing Quantum Dots Inks • Quantum Dots from UT Dots • TEM from UT Dots • 2.6 nm green emission • 4.0 nm yellow/orange emission Contact Angles of Quantum Dot Inks 2.6 nm 6 mg/mL 4.0 nm 3 mg/mL Fluid Characteristics After Printing 2.6 nm 6 mg/mL 4.0 nm 3 mg/mL Quantum Dot Inks on Substrate Contributions to 3D structure dependent on particle concentration and particle size Ink Jets Print Conductive Patterns for RFID, Electronics, PCBs, and Displays • • • Conductive Silver Precursors PEDOT/PSS Carbon Nanotubes Nanoparticle Polydispersity of ANP Conductive Silver Precursor Fluid as Shown by TEM 254 μm Grid Spacing Matrix 55% Silver Conductive Ink 10 pL 1 pL Waveform Employed for ANP Conductive Silver Fluid Precursor Resulting Conductive Silver Thinfilms on Teslin A. B. Before Annealing After Annealing Atomic Force Microscopy Shows Silver Nanoparticle Film Feature Sizes on Silicon Wafer Feature width = 40.6 μm Feature height = 1.6 μ m Feature Sizes Obtained with ANP Conductive Silver Precursor on Kapton® Surface Measurements of 1 pL drop Before annealing After annealing Resistance Measurements for Commercially Available Conductive Silver Precursors A. B. ANP Conductive Silver Precursor Ink Cabot Conductive Silver Precursor Ink Gold Nanoparticle Ink Applications in Nanobioengineering Gold binds to proteins via two different mechanisms •Cysteine residue •Serine, Threonine residues Braun, Sarikaya and Schulten, Univ. IL Other Sensor Components PEDOT/PSS Array on Glass Wafer PEDOT/PSS as the Fluid Leaves the Nozzles and Time of Flight In flight (9.26 m/s) Contact Angles of PEDOT/PSS and ANP Silver Ink A. B. C. A. B. C. Glass Wafer Kapton® Polyimide Teslin synthetic film Electric Luminescence of Polyflourene printed on Silicon Wafer Bright Field Dark Field + UV Using Ink Jet Printing as Straightforward Technique for Nanomaterial Thinfilm Production Drop on Demand mwCNTs Contact angle determines wettability (drop spread) of mwCNTs Contact Angle (º) 13.10 Multiwall Carbon Nanotube Scaffold for DNA A B Bright Field DAPI Self-Assembling Biomaterials • Length scale – – – – – – • Atoms (10-10) Molecules (10-10-10-9) Polymers (10-9) Viruses (10-8) Cells (10-5) Multicellular organisms (10-5-101) Polymers – – – – – DNA RNA Proteins Lipid bilayers self-assemble into membranes Higher level organization (protein insertion into membrane) – Trafficking – Extracellular matrices – Support structures (skeleton, teeth, antlers, husks) • SECRETION www.azonano.com Harnessing Nature’s Methods to Produce 3D Inorganic Materials • • • • Diatoms Glass Sponges Teeth Bones Using Ink Jet Printing for Thinfilm Patterning Silica Precipitating Amine Templates HO3PO H3N S OPO3H S K OPO3H K S G S Y S G S K G S K COO Silaffin of the Cylindrotheca fusiformis diatom NH2 H 2N NH NH2 NH O HN NH2 N H O N N O N N H 2N NH Polyamidoamino (PAMAM) Dendrimer N O HN H2N O NH H N N H N O O N O O NH NH2 HN Kroger, N., et al. Science, 1999, 286, 1129. Knecht, M. R., Wright, D. W. Langmuir. 2004, 20, 4728. NH O HN HN n=4-9 O NH2 O NH2 NH2 33% G4 PAMAM Dendrimer Contact Angle (º) Vert height (nm) Horizontal length (µm) 33.1 785.3 39.25 Stroboscopic View of the Dendrimer Ink Droplets. 100 µm Patterned Dendrimers 1. 360 µm 2. 360 µm 1. 64 µm spacing, printed 2x with no lag time. 2. 56 µm spacing, printed 2x with no lag time. 96 µm spacing, printed 4x with 35 seconds of lag time in between each printing cycle followed by 2 printing cycles spaced at 64 µm. Dendrimer Reactivity • Once printed, we propose a “single spot” reaction vessel, wherein printed NH2 terminated dendrimers will reproducibly yield concentrated areas of SiO2 nanospheres. Si(OH) - Si(OH) Si(OH) - - Si(OH) + -+ +Si(OH) + + + + Si(OH) + + + + + + Si(OH) - + Si(OH) - Patterned Silica 160 nm Thinfilm Using Ink Jetted Dendrimers as Biomimetic Catalyst Pre-Si condensation Post-Si condensation 1600 nmoles of silica produced 1400 1200 1000 800 600 400 200 0 15 20 25 30 35 2 total area of printed material (mm ) 40 Conclusions • Nanoparticle Inks – Conductive Silver Precursor Fluids – PEDOT/PSS – Carbon Nanotubes • Bioinks – Proteins – Nucleic Acids – Scaffolding materials • Templating Organic Materials – Inorganic/organic thinfilms • Modern Building Materials based on Biomimetics – Surfaces – Structures