Special Issue "Plasmonic Photocatalysts"
Deadline for manuscript submissions: closed (30 September 2020).
Interests: heterogeneous catalysis; photocatalysis; advanced oxidation technologies (AOTs); plasmonic photocatalyst; noble metals; antimicrobial properties; solar energy; solar fuel; faceted nanoparticles
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Over the last decade, plasmonic properties of noble metals, i.e., absorption of visible light due to plasmon resonance, have been used to activate wide band-gap semiconductors. Although plasmonic properties of noble metals were observed more than a century ago, scientifically explained ca. 30 years ago, and since then commercially used in many fields, the examination of their application for photocatalysis started a few years ago. Despite the novelty of plasmonic photocatalysis, many studies have already been performed to improve photocatalytic activity and stability, and to clarify the mechanism under irradiation with visible light.
Although desirable photoabsorption properties of plasmonic photocatalysts can be easily achieved by preparation of nanoparticles of different sizes and shapes, their photocatalytic activities (under visible light irradiation) are still low and must be improved for commercial usage. Therefore, various studies have been performed to get stable and highly active materials. Moreover, the mechanism of plasmonic photocatalysis has not been clarified yet, i.e., charge versus energy transfer. It is thought that the mechanism depends directly on the morphology of plasmonic photocatalysts and reaction conditions.
Despite the novelty and unclear mechanism, plasmonic photocatalysts have already proved to be highly efficient for environmental purification (water and wastewater treatment, air purification and self-cleaning surfaces for decomposition of both organic compounds and microorganisms), solar energy conversion (photocurrent generation and water splitting) and synthesis of organic compounds. Therefore, it is believed that plasmonic photocatalysts have the potential to be efficient solar photocatalysts for commercial application.
This Special Issue of Catalysts will be a collaborative effort to combine current research on plasmonic photocatalysis. Contributions on photocatalyst preparation and characterization, reaction mechanism, theoretical modeling and applications are all welcome.
Prof. Dr. Ewa Kowalska
Manuscript Submission Information
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- Plasmonic photocatalysis
- Photocatalyst fabrication
- Simulation and modeling of plasmon resonance
- Mechanism study
- Environmental purification
- Energy conversion
- Water splitting
- New techniques of photocatalyst characterization
- Morphology-governed activity
- Removal of microbiological pollutants
- Water/wastewater treatment
- Air treatment
- Self-cleaning surfaces
- Theoretical study