Templated CaCO3 Crystallization by Submicrometer and Nanosized Fibers

Area of Science:

• Materials Science
• Biomineralization
• Nanotechnology

Background:

• Poly(ε-caprolactone) (PCL) meshes and multiwalled carbon nanotubes (MWCNTs) are versatile materials.
• Calcium carbonate (CaCO3) biomineralization is crucial in nature and industry.
• Controlling CaCO3 morphology and porosity is key for advanced material applications.

Purpose of the Study:

• To develop a method for preparing porous inorganic-organic hybrid materials using PCL and MWCNTs as templates for CaCO3.
• To investigate the influence of PCL mesh properties and MWCNT functionalization on CaCO3 crystallization.
• To explore the potential of this system for studying biomineralization processes.

Main Methods:

• Electrospinning of PCL submicrometer meshes.
• Incorporation of plasma-treated PCL meshes and acid-functionalized MWCNTs.
• CaCO3 crystallization using three methods, including poly(acrylic acid) (PAA).
• Characterization of hybrid material morphology and porosity.

Main Results:

• Successful preparation of porous and interconnected CaCO3 hybrid materials.
• Acid-functionalized MWCNTs effectively penetrated and influenced calcite particle formation.
• MWCNTs exhibited differential interactions with CaCO3 growth planes, altering morphology based on functional groups.
• Controlled particle production, porosity, and morphology at micro/nanoscale levels were achieved.

Conclusions:

• PCL meshes and acidic MWCNTs serve as effective templates for CaCO3 biomineralization.
• This approach offers a viable method for studying and controlling biomineralization.
• The developed hybrid materials have potential applications in various fields requiring controlled micro/nanostructures.