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A Two‐Dimensional Polymer Synthesized at the Air/Water Interface
Author(s) -
Müller Vivian,
Hinaut Antoine,
Moradi Mina,
Baljozovic Milos,
Jung Thomas A.,
Shahgaldian Patrick,
Möhwald Helmuth,
Hofer Gregor,
Kröger Martin,
King Benjamin T.,
Meyer Ernst,
Glatzel Thilo,
Schlüter A. Dieter
Publication year - 2018
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201804937
Subject(s) - polymer , monolayer , monomer , microscopy , brewster's angle , materials science , scanning tunneling microscope , dispersity , chemical engineering , nanotechnology , crystallography , polymer chemistry , chemistry , optics , brewster , composite material , physics , engineering
A trifunctional, partially fluorinated anthracene‐substituted triptycene monomer was spread at an air/water interface into a monolayer, which was transformed into a long‐range‐ordered 2D polymer by irradiation with a standard UV lamp. The polymer was analyzed by Brewster angle microscopy, scanning tunneling microscopy measurements, and non‐contact atomic force microscopy, which confirmed the generation of a network structure with lattice parameters that are virtually identical to a structural model network based on X‐ray diffractometry of a closely related 2D polymer. The nc‐AFM images highlight the long‐range order over areas of at least 300×300 nm 2 . As required for a 2D polymer, the pore sizes are monodisperse, except for the regions where the network is somewhat stretched because it spans over protrusions. Together with a previous report on the nature of the cross‐links in this network, the structural information provided herein leaves no doubt that a 2D polymer has been synthesized under ambient conditions at an air/water interface.