| Literature DB >> 17355157 |
Xing-Cai Guo1, Robert J Waltman.
Abstract
The mechanism of ultraviolet (UV) bonding of perfluoropolyether (PFPE) boundary lubricants on magnetic disk surfaces is re-examined experimentally. It is found that UV-emitted photoelectrons may contribute a negligible part, and instead the UV bonding correlates with the direct photodissociation of PFPE molecules. The UV-induced photodissociation is demonstrated to occur almost randomly on the PFPE molecular chain. The contribution from photooxidation is eliminated under nitrogen purge.Entities:
Year: 2007 PMID： 17355157 DOI： 10.1021/la063211b
Source DB: PubMed Journal: Langmuir ISSN： 0743-7463 Impact factor: 3.882