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Rapid Fabrication of Three-Dimensional Porous Films with Biomimetic Patterns by Natural Evaporation of Amphiphilic Polyacetylene Solutions under Ambient Conditions

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Abstract:

A simple process for fast fabrication of thin films with biomimetic morphological structures from a group of linear homopolymers is developed. Natural evaporation of tetrahydrofuran, chloroform, and hexane–dichloromethane solutions of poly(phenylacetylene)s that contain amino acid and ethylene glycol moieties under ambient conditions instantly produces three-dimensional porous films with structural patterns reminiscent of honeycombs and radiolarian shells. Morphological analysis by optical and electronic microscopy suggests that vesicles of the amphiphilic polymers serve as building blocks in the self-organization to the biomimetic structures.

Keywords: AMPHIPHILIC MACROMOLECULES; BIOMIMETIC MORPHOLOGY; HONEYCOMB-LIKE PATTERN; POLYMER VESICLES; POROUS THIN FILMS; SELF-ORGANIZATION; SUBSTITUTED POLYACETYLENES

Document Type: Communications

DOI: https://doi.org/10.1166/jnn.2001.022

Affiliations: Department of Chemistry, Institute of Nano Science and Technology, Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China

Publication date: 2001-06-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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