Chemically Heterogeneous Nanowrinkling of Polymer Surfaces Induced by Low-Energy Cluster Implantation

Autor: Drew Evans, Louis Pacheco, Bastian Stoehr, Jitesh Hora, Eric Charrault, Emmanuel Lepleux, Peter J. Murphy
Přispěvatelé: Hora, Jitesh, Stoehr, Bastian, Lepleux, Emmanuel, Pacheco, Louis, Murphy, Peter J, Evans, Drew R, Charrault, Eric
Rok vydání: 2019
Předmět:
Zdroj: The Journal of Physical Chemistry C. 123:13330-13336
ISSN: 1932-7455
1932-7447
Popis: The properties of a thin film are, in part, governed by the nucleation or seeding of the material on a given substrate. Control over the seeding process is highly desirable, resulting in the ability to “dial up” desired film properties for the end application. In this study, we investigate the seeding process for thin films of Cr (thickness < 5 nm) sputtered onto polymeric substrates. These substrates are fabricated having Young’s moduli spanning from the rubbery to the glassy state. Compliant substrates in the rubbery state display nanowrinkled structures during the early stages of film deposition (seeding). The combined chemical and morphological analysis of these films suggests implantation of Cr clusters within the polymeric substrate—this implantation process is strongly influenced by substrate’s mechanical properties. Understanding the seeding process, the resultant nanowrinkles, and the evolution to a continuous ultrathin film, will have an impact on the way these systems are engineered for practical applications. Refereed/Peer-reviewed
Databáze: OpenAIRE