Abstract/Details

Selective metallization of well aligned block copolymers in thin films and confined geometries


2006 2006

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Abstract (summary)

Block copolymers are ideal templates for the fabrication of polymer-metal nanocomposites since they self-assemble into ordered, well-defined arrays of nanometer size domains. In this research, well aligned, microphase-separated structures of styrene-2-vinylpyridine block copolymers were used to prepare polymer-metal nanocomposites. Under optimal conditions, templates were prepared as thin films, confined in aluminum oxide membranes or sheared and metallized without disturbing the ordered structure. Using these methods, we developed a procedure that deposits metal within the polymer using supercritical carbon dioxide-soluble metal precursors. Supercritical carbon dioxide was used to allow for selective metallization of the polymer without disruption to its morphology. In addition, similar procedures have been investigated using metal salts and acids. Using these techniques, metals and metal-sulfides including silver, gold, platinum, iron and zinc sulfide were each selectively deposited.

Indexing (details)


Subject
Polymers
Classification
0495: Polymers
Identifier / keyword
Pure sciences; Aligned; Block copolymers; Confined; Metallization; Thin films
Title
Selective metallization of well aligned block copolymers in thin films and confined geometries
Author
Sievert, James D.
Number of pages
120
Publication year
2006
Degree date
2006
School code
0118
Source
DAI-B 67/11, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9780542978005
Advisor
Russell, Thomas P.; Watkins, James J.
University/institution
University of Massachusetts Amherst
University location
United States -- Massachusetts
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
3242354
ProQuest document ID
305302882
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/305302882
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