Fully cross-linked and chemically patterned self-assembled monolayers
文献信息
André Beyer, Adelheid Godt, Ihsan Amin, Christoph T. Nottbohm, Christian Schmidt, Jinkai Zhao, Armin Gölzhäuser
Mechanically stable monolayers with chemically functional patterns are fabricated by the combination of spatially resolved chemical lithography with complete cross-linking of aromatic self-assembled monolayers (SAMs). The process starts with a local electron exposure of a SAM of 4′-nitro-1,1′-biphenyl-4-thiol that converts the nitro into amino groups and, additionally, generates a pattern of cross-linked and non cross-linked regions. In the next step, molecules in the non cross-linked regions are exchanged for 1,1′-biphenyl-4-thiol. A subsequent electron exposure cross-links these regions, yielding a fully cross-linked, chemically patterned SAM. The reverse process that generates chemically complementary patterns is also demonstrated. For both processes, X-ray photoelectron spectroscopy and atomic force microscopy are used to monitor the fabrication steps and to determine the kinetics of the thiol exchange. The functionality of the fully cross-linked, chemically patterned monolayer is tested by the site selective derivatisation with pentanoic acid chloride.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.














