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Mechanically Milled Irregular Zinc Nanoparticles for Printable Bioresorbable Electronics.
Bikram K Mahajan1, Xiaowei Yu1, Wan Shou1
1Department of Mechanical Engineering, Missouri University of Science and Technology, 400 West 13th Street, Rolla, MO, 65401, USA.
Small (Weinheim an Der Bergstrasse, Germany)
|February 21, 2017
Summary
Researchers developed a new, cost-effective method for creating printable bioresorbable electronics using ball-milled zinc nanoparticles. This innovation simplifies fabrication and enhances conductivity for advanced applications.
Area of Science:
- Materials Science
- Nanotechnology
- Electronics Engineering
Background:
- Bioresorbable electronics traditionally require complex, time-consuming fabrication.
- Printable electronics offer a promising alternative but require suitable bioresorbable particles.
- Existing methods for obtaining these particles are often expensive and inefficient.
Purpose of the Study:
- To develop a cost-effective, reliable method for producing bioresorbable zinc nanoparticles for printable electronics.
- To optimize the properties of zinc nanoparticles for enhanced electrical performance and printability.
- To investigate the potential for mass fabrication of bioresorbable electronic components.
Main Methods:
- Utilized ball milling with polyvinylpyrrolidone (PVP) as a process control agent to synthesize nanocrystalline zinc particles.
- Systematically characterized the morphology, composition, and size of the zinc nanoparticles.
- Employed photonic sintering at room temperature to process the printed zinc nanoparticles.
Main Results:
- Successfully produced irregular nanocrystalline zinc nanoparticles with controllable sizes (≈34.8 nm) and low surface oxidation.
- Achieved high electrical conductivity (44,643 S m⁻¹) in the printed zinc nanoparticle films.
- Demonstrated the feasibility of printing and room-temperature sintering of zinc nanoparticles on bioresorbable substrates.
Conclusions:
- Ball milling and photonic sintering offer a scalable and efficient approach for fabricating bioresorbable electronics.
- The developed zinc nanoparticles are suitable for printable electronics, paving the way for new applications.
- This technology could advance bioresorbable electronics in healthcare, environmental protection, and consumer goods.
