Abstract
In recent years much work has been conducted in order to create patterned and structured polymer coatings using vapor deposition techniques – not only via post-deposition treatment, but also directly during the deposition process. Two-dimensional and three-dimensional structures can be achieved via various vapor deposition strategies, for instance, using masks, exploiting surface properties that lead to spatially selective deposition, via the use of additional porogens or by employing oblique angle polymerization deposition. Here, we provide a concise review of these studies.
Highlights
Polymer coatings have wide-spread applications, from electronics [1], to sensor systems [2] to biotechnology [3]
In recent years much work has been conducted in order to create patterned and structured polymer coatings using vapor deposition techniques – via post-deposition treatment, and directly during the deposition process
Two-dimensional and threedimensional structures can be achieved via various vapor deposition strategies, for instance, using masks, exploiting surface properties that lead to spatially selective deposition, via the use of additional porogens or by employing oblique angle polymerization deposition
Summary
Polymer coatings have wide-spread applications, from electronics [1], to sensor systems [2] to biotechnology [3]. Trujillo et al produced polymeric nanostructures using colloidal lithography [12] In this technique, twodimensional self-assembled monolayer (SAM) arrays of colloidal nanoparticles serve as lithographic templates for “nanobowl” patterns in an initiated chemical vapor deposition (iCVD) process. Inverted structures were created using microcontact printing of alkanethiols on gold or silver surfaces (Figure 2b) These were found to prevent the quenching effect of the metals, promoting polymer growth instead. Le Gall et al noted selective growth of PPX derivatives with trifluoroacetyl or chlorine functionality on carboxylic acid- or hydroxyl-terminated alkanethiolates as compared to methylterminated SAMs [27]. In this way, free-standing nanosheet membranes were fabricated. If the interaction is ambiguous, particle formation is observed at low deposition rates and times and with low liquid viscosity
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