Anisotropic particles with patchy, multicompartment and Janus architectures: preparation and application.

Area of Science:

• Colloidal science
• Materials science
• Nanotechnology

Background:

• Anisotropic particles, including patchy, multicompartment, and Janus particles, are gaining attention for their unique structures and potential applications.
• Their non-centrosymmetric nature defines them as a distinct class of nano- or micro-colloidal materials.
• Existing literature often misuses these terms due to structural similarities.

Purpose of the Study:

• To critically review and classify the key features of patchy, multicompartment, and Janus particles.
• To compare the structural properties of these anisotropic colloidal particles.
• To discuss recent advances in their preparation and applications.

Main Methods:

• Literature review focusing on advances in the last 2-3 years.
• Classification of anisotropic colloidal particles based on structural and compositional features.
• Comparative analysis of preparation methods and applications.

Main Results:

• Clear definitions and classifications for patchy, multicompartment, and Janus particles are provided.
• Structural differences, including core and corona compositions, are delineated.
• Recent significant advances in fabrication and application are highlighted.

Conclusions:

• Accurate classification is crucial to avoid misuse of terminology for these anisotropic particles.
• Understanding structural nuances facilitates targeted design and application.
• The review consolidates recent progress, guiding future research in patchy, multicompartment, and Janus particles.