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Manganese-Based Micro/Nanomotors: Synthesis, Motion, and Applications
Yangyang Yang1, Kunsheng Hu1, Panpan Zhang1,2
1School of Chemical Engineering and Advanced Materials, The University of Adelaide, North Terrace, Adelaide, SA, 5005, Australia.
Small (Weinheim an Der Bergstrasse, Germany)
|July 28, 2021
Summary
This review covers manganese-based micro/nanomotors for environmental and biomedical uses. These motors efficiently degrade pollutants and offer advantages over noble-metal alternatives.
Area of Science:
- Materials Science
- Nanotechnology
- Environmental Chemistry
Background:
- Micro/nanomotors are emerging devices with applications in environmental and biomedical fields.
- Manganese-based micro/nanomotors (Mn-micro/nanomotors) show promise due to their unique properties.
Purpose of the Study:
- To review recent advances in Mn-micro/nanomotors for catalytic oxidation of organic contaminants.
- To discuss mechanisms of hydrogen peroxide decomposition by Mn-micro/nanomotors.
- To explore synthetic strategies and asymmetric design of these motors.
Main Methods:
- Review of recent literature on Mn-micro/nanomotors.
- Discussion of intrinsic characteristics and synthesis of Mn-based materials.
- Analysis of mechanisms including reactive oxygen species generation.
Main Results:
- Mn-micro/nanomotors offer advantages like flexibility, biocompatibility, motion, longevity, and low cost compared to noble-metal motors.
- Applications include pollutant decomposition, heavy metal detection, oil removal, drug delivery, and cell targeting.
- Strategies exist to address challenges like H2O2 consumption and motion control.
Conclusions:
- Mn-micro/nanomotors hold significant promise for diverse applications, bridging proof-of-concept to real-world use.
- Coupling with Fenton/Fenton-like systems can enhance catalytic activity for water remediation.
- Future designs focus on on-demand H2O2-fueled motors for advanced organic contaminant purification.
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