title: Fabrication and design of metal nano-accordion structures using atomic layer deposition and interference lithography.
abstract: Metal nanostructures have attractive electrical and thermal properties as well as structural stability, and are important for applications in flexible conductors. In this study, we have developed a method to fabricate and control novel complex platinum nanostructures with accordion-like profile using atomic layer deposition on lithographically patterned polymer templates. The template removal process results in unique structural transformation of the nanostructure profile, which has been studied and modeled. Using different template duty cycles and aspect ratios, we have demonstrated a wide variety of cross-sectional profiles from wavy geometry to pipe array patterns. These complex thin metal nanostructures can find applications in flexible/stretchable electronics, photonics and nanofluidics.
authors: Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA. chichang@ncsu.edu.
authors: J-H
authors: JH
authors: Min
authors: Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA. chichang@ncsu.edu.
authors: A
authors: A
authors: Bagal
authors: Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA.
authors: J Z
authors: JZ
authors: Mundy
authors: Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA.
authors: C J
authors: CJ
authors: Oldham
authors: Air Force Research Laboratory, Wright Patterson Air Force Base, OH 45433, USA.
authors: B-I
authors: BI
authors: Wu
authors: Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA.
authors: G N
authors: GN
authors: Parsons
authors: Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA. chichang@ncsu.edu.
authors: C-H
authors: CH
authors: Chang