Photocatalytic nanostructured materials for heavy metal remediation: Mechanisms, challenges, and future prospects

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F26%3A00648112" target="_blank" >RIV/61389021:_____/26:00648112 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S136980012501008X" target="_blank" >https://www.sciencedirect.com/science/article/pii/S136980012501008X</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.mssp.2025.110269" target="_blank" >10.1016/j.mssp.2025.110269</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Photocatalytic nanostructured materials for heavy metal remediation: Mechanisms, challenges, and future prospects

Popis výsledku v původním jazyce

Heavy metal and metalloid contamination of aquatic environments poses significant ecological and health risks. Photocatalysis using nanostructured semiconductors offers a promising remediation approach by harnessing solar energy for simultaneous contaminant degradation and metal ion reduction. This review critically examines photocatalytic nanomaterials for heavy metal and metalloid remediation from wastewater, emphasizing mechanisms, performance metrics, and emerging challenges. Photocatalytic processes generate reactive species (center dot OH, center dot O-2(-) , photoelectrons) that reduce toxic metal ions (Cr(VI)-> Cr(III), Hg2+-> Hg-0) while degrading organic cocontaminants. Materials examined include metal oxide semiconductors (TiO2, ZnO, BiVO4), carbon nitride (gC(3)N(4)), and hybrid nanocomposites. This review provides: (1) comprehensive mechanistic analysis across material classes, (2) quantitative comparison of removal efficiencies and operational parameters, (3) critical evaluation of modification strategies (doping, heterojunction formation, plasmonic enhancement) for visible light activity, (4) assessment of nanomaterial integration with conventional treatment methods, (5) analysis of emerging materials (MXenes, MOF-derived carbons), and (6) discussion of scale-up challenges including photocatalyst stability, recovery, and environmental safety. While laboratory studies demonstrate high removal efficiencies (>90 % for many systems), challenges persist regarding cost-effectiveness, long-term stability, and real wastewater complexity. Future directions emphasize solar-driven systems, single-atom catalysts, and multifunctional photocatalysts for simultaneous multi-contaminant treatment. The adaptability and scalability of these nanomaterials enable integration into sustainable wastewater treatment systems and decentralized remediation units, with potential for resource recovery. Their solar-driven operation offers energy-efficient, ecofriendly solutions for industrial and municipal applications.

Název v anglickém jazyce

Photocatalytic nanostructured materials for heavy metal remediation: Mechanisms, challenges, and future prospects

Popis výsledku anglicky

Heavy metal and metalloid contamination of aquatic environments poses significant ecological and health risks. Photocatalysis using nanostructured semiconductors offers a promising remediation approach by harnessing solar energy for simultaneous contaminant degradation and metal ion reduction. This review critically examines photocatalytic nanomaterials for heavy metal and metalloid remediation from wastewater, emphasizing mechanisms, performance metrics, and emerging challenges. Photocatalytic processes generate reactive species (center dot OH, center dot O-2(-) , photoelectrons) that reduce toxic metal ions (Cr(VI)-> Cr(III), Hg2+-> Hg-0) while degrading organic cocontaminants. Materials examined include metal oxide semiconductors (TiO2, ZnO, BiVO4), carbon nitride (gC(3)N(4)), and hybrid nanocomposites. This review provides: (1) comprehensive mechanistic analysis across material classes, (2) quantitative comparison of removal efficiencies and operational parameters, (3) critical evaluation of modification strategies (doping, heterojunction formation, plasmonic enhancement) for visible light activity, (4) assessment of nanomaterial integration with conventional treatment methods, (5) analysis of emerging materials (MXenes, MOF-derived carbons), and (6) discussion of scale-up challenges including photocatalyst stability, recovery, and environmental safety. While laboratory studies demonstrate high removal efficiencies (>90 % for many systems), challenges persist regarding cost-effectiveness, long-term stability, and real wastewater complexity. Future directions emphasize solar-driven systems, single-atom catalysts, and multifunctional photocatalysts for simultaneous multi-contaminant treatment. The adaptability and scalability of these nanomaterials enable integration into sustainable wastewater treatment systems and decentralized remediation units, with potential for resource recovery. Their solar-driven operation offers energy-efficient, ecofriendly solutions for industrial and municipal applications.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20704 - Energy and fuels

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2026

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Materials Science in Semiconductor Processing

ISSN

1369-8001

e-ISSN

1873-4081

Svazek periodika

204

Číslo periodika v rámci svazku

March

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

33

Strana od-do

110269

Kód UT WoS článku

001628115300001

EID výsledku v databázi Scopus

2-s2.0-105022437896