Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 48, Pages 15262-15266Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201707140
Keywords
dimerization; interfaces; photochemistry; Raman spectroscopy; structure determination
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Funding
- ETH Zurich
- Swiss Nanoscience Institute (SNI) through the Oracle grant [P1308]
- Swiss National Science Foundation [200020-153549, 206021-113149]
- American Chemical Society Petroleum Research Fund
- Chinese Scholarship Council
- Swiss National Science Foundation (SNF) [200020_153549] Funding Source: Swiss National Science Foundation (SNF)
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This work describes a two-dimensional polymerization at an air/water interface and provides, for the first time, direct spectroscopic evidence for the kind of crosslinks formed and for the conversion reached in a covalently bonded monolayer sheet. This evidence was obtained through a combination of a variety of monolayer characterization techniques before and after transfer onto solid substrates, in particular by tip-enhanced Raman spectroscopy (TERS) and TERS mapping after transfer of both the monomer and polymer monolayer onto Au(111). This work is a major advance for the field of 2D polymers synthesized at the air/water interface as it, in principle, allows estimation of the crystallinity by percolation theory and the location of regions with defects.
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