Nanoparticle-Empowered Core-Shell Microcapsules: From Architecture Design to Fabrication and Functions

Area of Science:

• Materials Science
• Nanotechnology
• Chemical Engineering

Background:

• Compartmentalization is key for integrating diverse functionalities in miniature architectures, inspired by biological cells.
• Synthetic core-shell capsules offer controlled storage and on-demand delivery of active substances.
• Applications span adaptive materials, sustainable electronics, soft robotics, and precision medicine.

Purpose of the Study:

• To review the physicochemical principles governing nanoparticle assembly in microencapsulation.
• To outline architecture-controlled functionalities enabled by nanoparticle incorporation.
• To analyze methods for implanting nanoparticles and their spatial organization within core-shell structures.

Main Methods:

• Examination of nanoparticle assembly during microencapsulation.
• Analysis of various methods for implanting nanoparticles into microcapsules.
• Discussion of spatial organization of nanoparticles within core-shell structures.

Main Results:

• Nanoparticle additives enhance capsule properties like mechanical robustness, optical behavior, and thermal conductivity.
• Nano-additives enable dynamic features including triggered release, deformable structures, and fueled mobility.
• Specific nanoparticles impart specialized functions, tailored to application requirements.

Conclusions:

• Core-shell microcapsules with nanoparticles offer a versatile platform for advanced functionalities.
• Understanding nanoparticle assembly and organization is crucial for optimizing capsule performance.
• Further research is needed to fully realize the potential of these microcarriers.