An automated spin-assisted approach for molecular layer-by-layer assembly of crosslinked polymer thin films

Title
An automated spin-assisted approach for molecular layer-by-layer assembly of crosslinked polymer thin films
Authors
Chan, Edwin P.이정현정준영Stafford, Christopher M.
Keywords
thin film; polyamide; desalination membrane; layer-by-layer; spin casting
Issue Date
2012-11
Publisher
Review of scientific instruments
Citation
VOL 83, NO 11, 114102-1-114102-6
Abstract
We present the design of an automated spin-coater that facilitates fabrication of polymer films based on molecular layer-by-layer (mLbL) assembly. Specifically, we demonstrate the synthesis of ultrathin crosslinked fully-aromatic polyamide (PA) films that are chemically identical to polymer membranes used in water desalination applications as measured by X-ray photoelectron spectroscopy. X-ray reflectivity measurements indicate that the automated mLbL assembly creates films with a constant film growth rate and minimal roughness compared with the traditional interfacial polymerization of PA. This automated spin-coater improves the scalability and sample-to-sample consistency by reducing human involvement in the mLbL assembly.
URI
http://pubs.kist.re.kr/handle/201004/44307
ISSN
00346748
Appears in Collections:
KIST Publication > Article
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