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Related Concept Videos

Atomic Force Microscopy01:08

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

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Related Experiment Video

Updated: Jun 8, 2026

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
13:15

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

Identification of Polymeric Colloidal Particles and Their Morphology Using Photo-Induced Force Microscopy.

Qi Chen1, Patrick J M Stals1, Daan van der Zwaag1

  • 1Covestro (Netherlands) B.V., Waalwijk, The Netherlands.

Macromolecular Rapid Communications
|June 7, 2026
PubMed
Summary
This summary is machine-generated.

Photo-induced Force Microscopy (PiFM) analyzes polymer mixtures at the nanoscale. This technique distinguishes between polymer blends and hybrid dispersions, revealing high mixing in hybrid systems.

Keywords:
AFM‐IRacrylic polymercoatingcolloidmaterials sciencepolymerpolyurethane

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Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

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Last Updated: Jun 8, 2026

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
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13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

Area of Science:

  • Polymer science
  • Materials science
  • Nanotechnology

Background:

  • Polymeric colloidal particles are crucial in coatings and micro/nano-plastics.
  • Characterizing the composition and morphology of these particles at the nanoscale is challenging.
  • Distinguishing between simple blends and integrated hybrid structures is essential for material design.

Purpose of the Study:

  • To demonstrate the capability of infrared (IR) based Photo-induced Force Microscopy (PiFM) for analyzing polymer mixtures.
  • To elucidate the morphological differences between physical blends and hybrid dispersions of polyacrylates and polyurethanes.
  • To assess the potential of PiFM for nanoscale materials characterization.

Main Methods:

  • Utilized infrared (IR) based Photo-induced Force Microscopy (PiFM) for single nanoparticle analysis.
  • Employed a tunable IR laser tuned to specific polymer absorption peaks.
  • Examined the photo-induced force responses of polyacrylate and polyurethane mixtures in their solid state.

Main Results:

  • PiFM successfully determined the composition of polymeric colloidal particle mixtures at the single nanoparticle level.
  • Clear morphological differences were observed between a blend of polymer dispersions and a hybrid dispersion.
  • The hybrid dispersion exhibited a high degree of intermixing between polyacrylates and polyurethanes, unlike phase-separated physical blends.

Conclusions:

  • PiFM offers excellent spatial resolution (nanometer scale) and spectroscopic information similar to FT-IR.
  • The technique can effectively differentiate between blended and hybrid polymer nanostructures.
  • PiFM shows significant potential for advanced materials characterization in fields like water-based coatings and micro/nano-plastics research.