Lowndes D.H. – TechConnect Briefs

Nanofiber Structures as Mimics for Cellular Membranes

Doktycz M.J., Zhang L., Melechko A.V, Klein K., McKnight T.E., Britt P.F., Guillorn M.A., Merkulov V.I., Lowndes D.H., Simpson M.L., Oak Ridge National Laboratory, US

We are investigating the use of vertically aligned carbon nanofibers (VACNFs) as a material for controlling molecular transport in a manner analogous to natural cell membranes. VACNFs can be synthesized with nanometer scale dimensions, can [...]

Fabrication of Nanopipes using Vertically Aligned Carbon Nanofiber Templates and their Properties

Melechko A.V, McKnight T.E., Guillorn M.A., Ilic B., Merkulov V.I., Doktycz M.J., Warmac B., McCorkle D., Lowndes D.H., Simpson M.L., University of Tennessee, Knoxville, US

Fluidic structures with submicron dimensions have potential applications for sorting DNA molecules, electroanalytical sensing, and detecting and characterizing single molecule events. The fabrication of devices that function on the nanometer scale requires new approaches when [...]

Electron Sources for Massively Parallel Electron Beam Lithography System using Single Vertically Aligned Carbon Nanofiber Cathodes

Guillorn M.A., Whealton J.H., Baylor L.R., Melechko A.V, Merkulov V.I., Hensley D.K., Hale M.D., Kasica R.J., Lowndes D.H., Simpson M.L., Oak Ridge National Laboratory, US

Electron beam lithography using a single beam cannot achieve acceptable throughput levels to become a viable manufacturing technology. The digital electrostatic e-beam array lithography (DEAL) concept under development at the Oak Ridge National Laboratory proposes [...]

Nanoelectronic Devices Constructed Using Individual Vertically Aligned Carbon Nanofibers

Yang X., Austin D.W., Guillorn M.A., Merkulov V.I., Melechko A.V, Lowndes D.H., Simpson M.L., Oak Ridge National Laboratory, US

We are fabricating active nanoscale electronic devices based on Vertically Aligned Carbon Nanofibers (VACNF). VACNFs are synthesized in a high-density Plasma-Enhanced Chemical Vapor Deposition (PECVD) process that provides a high degree of control of the [...]

Carbon Nanofiber-Based Electrode Interface to Microbial Biofilms

McKnight T.E., Melechko A.V, Guillorn M.A., Merkulov V.I., Fleming J.T., Hensley D.K., Hullander E., McPherson J., Nivens D., Sayler G.S., Lowndes D.H., Simpson M.L., Oak Ridge National Laboratory, US

We report on the integration of bacterial biofilms with carbon nanofiber-based electrochemical systems to provide a robust biosensor platform. Biofilms are robust, self-packaged communities of whole cells that have attracted much attention due to their [...]

Controlled Synthesis and Directed Assembly of Vertically Aligned Carbon Nanofibers for Functional Nanoscale Devices

Merkulov V.I., Melechko A.V, Guillorn M.A., McKnight T.E., Austin D.W., Hale M., Zhang L., Yang X., Hensley D.K., Subich T., Doktycz M.J., Lowndes D.H., Simpson M.L., Oak Ridge National Laboratory, US

The controlled synthesis and directed assembly of materials at the nanoscale remain two of the most difficult challenges for the realization of functional nanoscale devices. For example, while there has been a great deal of [...]