 View Journal Article: Multifunction ToF-SIMS: combinatorial mapping of gradient energy substrates
|
| Citation: |
Roberson, Sonya, Fahey, Albert, Sehgal, Amit and Karim, Alamgir (2002). Multifunction ToF-SIMS: combinatorial mapping of gradient energy substrates. Applied Surface Science 200 (). 150-164.
|
| Collection: |
Polymer Publications
|
|
|
| Title |
Multifunction ToF-SIMS: combinatorial mapping of gradient energy substrates
|
| Author(s) |
Roberson, Sonya
Fahey, Albert
Sehgal, Amit
Karim, Alamgir
|
| Keyword(s) |
combinatorial methods
Surface energy gradient
ToF-SIMS
UV-ozone treatment
|
| Abstract/Summary |
We present a simple method for chemical modification of chlorosilane self-assembled monolayers (SAMs) on Si surfaces by exposure to a gradient of UV-ozone radiation to create stable
substrates with a range of contact angles and surface energies on a single substrate. These gradient energy substrates are developed to potentially generate libraries for combinatorial studies of
thin film phenomenology, where a systematic variation of interfacial surface energy represents one of the significant parameters along one axis. The graded oxidation process presents a systematic
variation of surface chemical composition. We have utilized contact angle measurements and time-of-flight secondary ion mass spectometry (ToF-SIMS) to investigate this variation for a series of
ions, among which are SiCH3+, SiOH+ and COOH-. We show that the macroscopic measurements of surface free energy/contact angle correlate with the detailed analysis of surface chemistry (as assessed
by ToF-SIMS) on these test substrates. © 2002 Elsevier Science B.V. All rights reserved.
|
| Publisher |
Elsevier
|
| Date |
2002-01-01
|
| Copyright Notice |
http://www.nist.gov/public_affairs/disclaimer.cfm
|
| Journal |
Applied Surface Science
|
| Volume |
200
|
| Pages |
150-164
|
| Copyright Agreement |
on
|
| Additional Notes |
Applied Surface Science 200 (2002) 150-164
|
|
|
|
Guest - May 24, 2013
