Structure of water and polymer at the buried polymer/water interface unveiled using heterodyne-detected vibrational sum frequency generation
The structure of the prototypical acrylic polymer (poly(methyl methacrylate): PMMA)/water interface is elucidated at the molecular level using heterodyne-detected sum-frequency generation. Two distinct OH groups of interfacial water are found at the interface: one forms hydrogen bonds with the carbo...
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Published in | Physical chemistry chemical physics : PCCP Vol. 22; no. 29; pp. 16527 - 16531 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
Cambridge
Royal Society of Chemistry
07.08.2020
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Subjects | |
Online Access | Get full text |
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Summary: | The structure of the prototypical acrylic polymer (poly(methyl methacrylate): PMMA)/water interface is elucidated at the molecular level using heterodyne-detected sum-frequency generation. Two distinct OH groups of interfacial water are found at the interface: one forms hydrogen bonds with the carbonyl group and the other weakly interacts with the ester methyl group of the polymer surface.
Heterodyne-detected vibrational sum frequency generation reveals the molecular-level structure of the polymer/water interface that is different from what has been argued. |
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Bibliography: | 10.1039/d0cp02618b Electronic supplementary information (ESI) available: (1) Sample preparation and characterization, (2) phase calibration procedure, (3) Fresnel factor and reflectivity correction, (4) verification of the phase calibration procedure, (5) contribution of the silica/polymer interface. See DOI ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 1463-9076 1463-9084 |
DOI: | 10.1039/d0cp02618b |