OVERVIEW
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- Nanoporous Fe2O3, or iron oxide with nanoscale pores, presents a wide array of applications
stemming from its high surface area, tunable porosity, and unique physicochemical properties.
- The versatility of nanoporous Fe2O3 stems from the ability to tailor its properties through
synthesis methods and post-synthesis modifications, allowing for optimization for specific
applications.
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BIOMED
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- DRUG DELIVERY: Nanoporous Fe2O3 can be loaded with therapeutic agents and targeted to
specific sites in the body for controlled drug release and enhanced therapeutic efficacy.
- BIOIMAGING: Its biocompatibility and magnetic properties make it useful as a contrast agent in
magnetic resonance imaging (MRI), enabling visualization of specific tissues or organs.
- BIOSENSING: It can be functionalized to detect specific biomarkers or molecules, aiding in
disease diagnosis and monitoring.
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CATALYSIS
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- SUPPORT FOR CATALYSTS: Nanoporous Fe2O3 serves as an excellent support material for
various catalysts, including metals and other metal oxides, enhancing catalytic activity and stability due
to its high surface area and porosity.
- ELECTROCATALYSIS: It exhibits electrocatalytic activity for various electrochemical reactions,
like the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), crucial for energy conversion
and storage technologies.
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ENERGY STORAGE
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- LITHIUM-ION BATTERIES: Nanoporous Fe2O3 can be used as an anode material in lithium-ion
batteries, offering higher theoretical capacity and rate capability compared to conventional materials.
- SUPERCAPACITORS: Its high surface area and porosity make it a suitable electrode material for
supercapacitors, enabling high charge storage capacity and power density.
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ENVIRONMENTAL REMEDIATION
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- ABSORPTION: Nanoporous Fe2O3 can effectively adsorb pollutants, such as heavy metals
and organic dyes, from water and wastewater due to its large surface area and tunable pore size.
- PHOTOCATALYSIS: It shows photocatalytic activity under UV or visible light irradiation, aiding in the
degradation of organic pollutants in water and air.
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GAS SENSING
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- DETECTION OF HAZARDOUS GASES: Nanoporous Fe2O3 can be used as a sensing material for
detecting hazardous gases due to its tunable surface chemistry and enhanced interaction with gas molecules.
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OTHER APPLICATIONS
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- SOLAR CELLS: It can be used as a photoanode material in dye-sensitized solar cells (DSSCs),
improving electron transport and overall device efficiency.
- MAGNETIC RECORDING MEDIA: Nanoporous Fe2O3, especially with specific magnetic properties,
is used in high-density magnetic recording media for data storage.
- COATINGS: Due to its magnetic and chemical properties, it's used in protective and functional
coatings.
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