ArticleNanomaterials (Basel, Switzerland)2021
Evaluation of Local Mechanical and Chemical Properties via AFM as a Tool for Understanding the Formation Mechanism of Pulsed UV Laser-Nanoinduced Patterns on Azo-Naphthalene-Based Polyimide Films.
Article in Nanomaterials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- UV-Crosslinked Collagen and Gelatin Sheets as Cell Scaffold Materials: Nanoscale Surface Properties and Cell Proliferation Performance.International journal of molecular sciences · 2026Article
- Atomic Force Microscopy Probing and Analysis of Polyimide Supramolecular Systems for Sensor Devices.Sensors (Basel, Switzerland) · 2023Article
- The Impact of the Azo-Chromophore Sort on the Features of the Supramolecular Azopolyimide Films Desired to Be Used as Substrates for Flexible Electronics.International journal of molecular sciences · 2022Article
- A New Texturing Approach of a Polyimide Shielding Cover for Enhanced Light Propagation in Photovoltaic Devices.Nanomaterials (Basel, Switzerland) · 2022Article
- Dynamic self-stabilization in the electronic and nanomechanical properties of an organic polymer semiconductor.Nature communications · 2022Article
- Tuning the Physicochemical Properties of Nanostructured Materials through Advanced Preparation Methods.Nanomaterials (Basel, Switzerland) · 2022Article
- New Strategy for Inducing Surface Anisotropy in Polyimide Films for Nematics Orientation in Display Applications.Nanomaterials (Basel, Switzerland) · 2021Article
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7 authors.
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Abstract
Aromatic polyimides containing side azo-naphthalene groups have been investigated regarding their capacity of generating surface relief gratings (SRGs) under pulsed UV laser irradiation through phase masks, using different fluencies and pulse numbers. The process of the material photo-fluidization and the supramolecular re-organization of the surface were investigated using atomic force microscopy (AFM). At first, an AFM nanoscale topographical analysis of the induced SRGs was performed in terms of morphology and tridimensional amplitude, spatial, hybrid, and functional parameters. Afterward, a nanomechanical characterization of SRGs using an advanced method, namely, AFM PinPoint mode, was performed, where the quantitative nanomechanical properties (i.e., modulus, adhesion, deformation) of the nanostructured azo-polyimide surfaces were acquired with a highly correlated topographic registration. This method proved to be very effective in understanding the formation mechanism of the surface modulations during pulsed UV laser irradiation. Additionally to AFM investigations, confocal Raman measurements and molecular simulations were performed to provide information about structured azo-polyimide chemical composition and macromolecular conformation induced by laser irradiation.
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