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Updated: Jul 31, 2025

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Published on: June 16, 2022

Versatile Mesoporous Microblocks Prepared by Pattern-Induced Cracking of Colloidal Films.

Yunchan Lee^1,2, Min-Gi Jo³, Jaekyoung Kim⁴

¹Institute of Energy and Environment System, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea.

Advanced Materials (Deerfield Beach, Fla.)

|May 4, 2023

Summary

This summary is machine-generated.

Researchers developed a novel, eco-friendly method to create uniform mesoporous microblocks. These versatile microparticles offer tunable sizes and functions for applications in anti-counterfeiting and chemical separation.

Keywords:

colloids cracks mesoporous particles microblocks separation

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Area of Science:

Materials Science
Nanotechnology
Chemical Engineering

Background:

Mesoporous microparticles are valuable for energy, sensing, and environmental applications.
Economical and environmentally friendly fabrication methods for homogeneous microparticles are in demand.

Purpose of the Study:

To develop a controllable and scalable method for producing rectangular mesoporous microblocks.
To demonstrate the functional capabilities of these microblocks for anti-counterfeiting and chemical separation.

Main Methods:

Fabrication of colloidal films with patterned micropyramids.
Controlled calcination to induce cracking and fragmentation.
Manipulation of notch angles to dictate microblock shape and size.
Detachment of microblocks from substrates.

Main Results:

Uniform, size-tunable rectangular mesoporous microblocks were successfully produced.
Demonstrated anti-counterfeiting capabilities using encoded rotation angles.
Showcased utility in separating chemicals based on charge.

Conclusions:

The developed method provides a versatile platform for fabricating functionalized mesoporous microblocks.
This technology has potential applications in advanced films, catalysts, and environmental solutions.