Local chemical vapor deposition of carbon nanofibers from photoresist
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- Local chemical vapor deposition of carbon nanofibers from photoresist
- Wang, Chunlei; Zaouk, Rabih; Madou, Mark
- Carbon nanofibers; Chemical vapor deposition; Electron microscopy; Microstructure; Pyrolysis
- Issue Date
- PERGAMON-ELSEVIER SCIENCE LTD
- CARBON, v.44, no.14, pp.3073 - 3077
- The addition of nanofeatures to carbon microelectromechanical system (C-MEMS) structures would greatly increase surface area and enhance their performance in miniature batteries, super-capacitors, electrochemical and biological sensors. Negative photoresist posts were patterned on a Au/Ti contact layer by photolithography. After pyrolyzing the photoresist patterns to carbon patterns, graphitic nanofibers were observed near the contact layer. The incorporation of carbon nanofibers in C-MEMS structures via a simple pyrolysis of modified photoresist was investigated. Both experimental results considered to consist of a local chemical vapor deposition mechanism. The method represents a novel, elegant and inexpensive way to equip carbon microfeatures with nanostructures, in a process that could possibly be scaled up to the mass production of many electronic and biological devices.
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