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Hokkaido University Collection of Scholarly and Academic Papers >
Global Institution for Collaborative Research and Education : GI-CoRE >
Peer-reviewed Journal Articles, etc >

Charge Density Gradients of Polymer Thin Film by Gaseous Phase Quaternization

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Charge Density Gradients of Polymer Thin Film by Gaseous Phase Quaternization.pdf934.82 kBPDFView/Open
Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/80476

Title: Charge Density Gradients of Polymer Thin Film by Gaseous Phase Quaternization
Authors: Ko, Yeongun Browse this author
Christau, Stephanie Browse this author
von Klitzing, Regine Browse this author
Genzer, Jan Browse this author
Keywords: Thickness
Polymer films
Thin films
Diffusion
Electrical properties
Issue Date: 18-Feb-2020
Publisher: American Chemical Society
Journal Title: ACS macro letters
Volume: 9
Issue: 2
Start Page: 158
End Page: 162
Publisher DOI: 10.1021/acsmacrolett.9b00930
Abstract: We report on the rapid formation of charge density gradients in polymer films by exposing poly([2-dimethylaminoethyl] methacrylate) (PDMAEMA) films resting on flat silica substrates to methyl iodide (i.e., MI, also known as iodomethane) vapors. We adjust the charge gradient by varying the MI concentration in solution and the process time. The thickness of the parent PDMAEMA film does not affect the diffusion of MI through and the reaction kinetics in the films. Instead, the diffusion of MI through the gaseous phase constitutes the limiting step in the overall process.
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS macro letters, copyright c American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsmacrolett.9b00930.
Type: article (author version)
URI: http://hdl.handle.net/2115/80476
Appears in Collections:国際連携研究教育局 : GI-CoRE (Global Institution for Collaborative Research and Education : GI-CoRE) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Jan Genzer

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