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- Title
Synthesis and applications of nano-MgO and composites for medicine, energy, and environmental remediation: a review.
- Authors
Chinthala, Mahendra; Balakrishnan, Akash; Venkataraman, Pavithra; Manaswini Gowtham, V.; Polagani, Rajesh Kumar
- Abstract
Metal oxide nanoparticles display unique properties such large bandgap, low electric constant, low refractive index, high chemical stability, and vacant oxygen presence. Magnesium oxide (MgO) nanoparticles are of particular interest because they are abundant, nontoxic, cheap, odorless, and stable. Here we review the synthesis and applications of MgO nanoparticles and their composites in various fields. MgO has antibacterial properties for medicine due to the production of superoxide anion O2−. The reactivity and stability of MgO are of interest for medicine, water purification, catalysis, and gas sensors. For membrane applications, new strategies are needed to control the pore diameter of the membranes with MgO as filler. As food packaging materials, there is a need for methods to assess the release of nanoparticles from the packing materials into food. For sensor applications, challenges include sensitivity, reproducibility, surface fouling, and poisoning. For supercapacitors and semiconductors, controlling the pore structure should improve electron transport.
- Subjects
ENVIRONMENTAL remediation; GAS detectors; POROSITY; PACKAGING materials; METAL nanoparticles; MAGNESIUM oxide
- Publication
Environmental Chemistry Letters, 2021, Vol 19, Issue 6, p4415
- ISSN
1610-3653
- Publication type
Academic Journal
- DOI
10.1007/s10311-021-01299-4