"Scalable High-rate Nanoscale Printing for Sensors, Energy and Materials Applications"

Ahmed Busnaina, Professor, Northeastern University

August 7th (Friday), 11:00am
Elings Hall, Room 1601

Considerable investment and progress have been made in nanotechnology, but integration of nanomaterials and processes into products have been considerably slow. Printing offers an excellent approach to making structures and devices using nanomaterials. However, current electronics and 3D printing using inkjet technology, used for printing low-end electronics are slow and provide only micro-scale resolution (20,000 nm or larger). The NSF Center for High-rate Nanomanufacturing (CHN) has developed a new nanoscale printing process that can use a variety of nanomaterials and can print onto a variety of substrates with nanoscale resolution match the present state of the art silicon electronics circuit line width. The process can print metals, insulators and semiconductors, organic and inorganic materials into nanoscale structures and circuits (down to 20 nanometers). The process utilizes Damascene templates with nanofeatures to direct the assembly of nanomaterials (down to 2 nm) into nanoscale patterns in a short time and over a large area. Last year, the center has developed and built a fully-automated robotic cluster tool system that prints at the nanoscale to make products that fully take advantage of the superior properties of nanomaterials. The fully-automated robotic Nanoscale Offset Printing System (NanoOPS) is expected to eliminate some of the high cost entry barriers to the fabrication of nanoscale devices for sensors, electronics, energy, medical, and functional materials applications.

The center has many applications where the technology has been demonstrated. The center has developed many sensors, among them a biosensor chip (0.02 mm) capable of detecting multiple biomarkers simultaneously (in vitro and in vivo) with a detection limit that’s 200 times lower than current technology. In addition, the center made a printed Band-Aid sensor that could read glucose, urea and lactate levels using sweat. An inexpensive micro chemical sensor with a low detection limit that’s less than 1 mm has also been developed. The center has also made an energy harvesting rectenna (for infrared energy) that could be many times more efficient that thermoelectrics and a CNT battery that can be fully charged in a few minutes, retain more 90% capacity and last for many years with high capacity. The center develops the fundamental science and engineering necessary to manufacture a wide array of applications ranging from electronics, energy, sensors and materials to biotechnology.

About Ahmed Busnaina:

photo of photo of ahmed busnaina Ahmed A. Busnaina, Ph.D. is the William Lincoln Smith Chair Professor, Distinguished University Professor and founding Director of National Science Foundation’s Nanoscale Science and Engineering Center for High-rate Nanomanufacturing and the NSF Center for Nano and Micro-contamination Control at Northeastern University, Boston, MA. Prof. Busnaina is internationally recognized for his work on nano and micro scale defects mitigation and removal in micro and nanofabrication. He specializes in directed assembly of nanoelements and in the nanomanufacturing of micro and nanoscale devices. He developed many manufacturing techniques for nanomaterials based energy, electronics, biomedical and materials applications. His research support exceeds $50 million. He authored more than 600 papers in journals, proceedings and conferences in addition to 25 filed and awarded patents. He is an associate editor of the Journal of Nanoparticle Research. He also serves on many advisory boards including Samsung Electronics, International Technology Roadmap for Semiconductors, Journal of Particulate Science and Technology, Journal of Environmental Sciences, Journal of Advanced Applications in Contamination Control. He is a fellow of the American Society of Mechanical Engineers, and the Adhesion Society, a Fulbright Senior Scholar and listed in Who's Who in the World.

Hosted by: Professor Kaustav Banerjee