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A Simple Method for the Size Controlled Synthesis of Stable Oligomeric Clusters of Gold Nanoparticles under Ambient Conditions
Published on: February 5, 2016
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An effective method for size-controlled gold nanoparticles synthesis with nonthermal microplasma
Yi Cai1,2, Ming Li1, Junjie Gu3
1School of Control Engineering, Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Northeastern University at Qinhuangdao, Qinhuangdao, People's Republic of China.
Nanotechnology
|June 22, 2021
Summary
This study introduces a novel method for synthesizing gold nanoparticles (AuNPs) using nonthermal microplasma. The technique allows for controlled nanoparticle size, offering a simple and effective approach for AuNP production.
Area of Science:
- Materials Science
- Nanotechnology
- Plasma Physics
Background:
- Traditional gold nanoparticle synthesis methods can be complex and time-consuming.
- Controlling nanoparticle size and uniformity is crucial for various applications.
Purpose of the Study:
- To develop a simple, effective, and interesting method for gold nanoparticle (AuNP) synthesis using nonthermal microplasma.
- To investigate the mechanism of AuNP formation and the influence of experimental parameters.
Main Methods:
- Fabrication of a dielectric barrier discharge (DBD) microplasma generator with a spray nozzle.
- In situ synthesis of AuNPs using DBD microplasma generated on a pneumatic micro-nebulizer.
- Characterization of AuNP morphology and optical properties.
Main Results:
- Achieved effective and uniform synthesis of AuNPs.
- Investigated the microplasma synthesis mechanism and nebulization effects.
- Synthesized AuNPs with an average size ranging from 4.9 to 16.8 nm, controllable via solution conditions.
Conclusions:
- The developed DBD microplasma method provides a simple and effective route for tunable AuNP synthesis.
- This approach offers precise control over nanoparticle size, opening avenues for advanced material applications.
