Advances in green synthesis, modification strategies, and photocatalytic application of metal oxide nanoparticles for organic pollutants degradation: A comprehensive and in-depth review

IF 5.3 2区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Molecular Liquids Pub Date : 2025-04-08 DOI:10.1016/j.molliq.2025.127497

Zakariyya Uba Zango , Khalid Hassan Ibnaouf , Abdurrahman Garba , Osamah Aldaghri , Ismael A. Wadi , Ahmad Hosseini-Bandegharaei , Omirserik Baigenzhenov

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引用次数: 0

Abstract

Green synthesized metal oxide nanoparticles offer suitable alternatives as low-cost, eco-friendly and versatile materials for wastewater remediation. In this work, we presented an overview on green techniques for the synthesis of metal oxide nanoparticles from agricultural biomass, algae, microorganisms and natural polymers for organic pollutants degradation. The unique and potential features of the materials such as optical and electronic properties, diverse surface chemistry, redox activities, high porosity, thermal and mechanical stabilities, and non-environmental toxicities have been emphasized. Overview on their photocatalytic efficiency towards degradation of dyes, pharmaceuticals, phenols, herbicides and pesticides, polycyclic aromatic hydrocarbons and other spectrum of organic pollutants have been presented. Modifications for improvement of the materials performance using techniques such as metal doping, bimetallic metal oxide, heterojunctions with carbon-based, organic polymers, carbon dots and other functionalized materials have elaborated. Mechanisms governing the photocatalytic process has been elucidated. The suitability of the materials for the photocatalytic application has been emphasized. The prospects and challenges regarding the materials application have been highlighted. Lastly, innovative approaches for the improvement of the efficiency of the materials for real wastewater applications have been proposed.

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用于降解有机污染物的金属氧化物纳米颗粒的绿色合成、改性策略和光催化应用方面的进展：全面深入综述

绿色合成金属氧化物纳米颗粒作为一种低成本、环保和多功能的废水修复材料提供了合适的替代方案。本文综述了利用农业生物质、藻类、微生物和天然聚合物合成金属氧化物纳米颗粒的绿色技术，用于降解有机污染物。强调了材料的独特和潜在的特性，如光学和电子性能、不同的表面化学、氧化还原活性、高孔隙率、热稳定性和机械稳定性以及非环境毒性。综述了其光催化降解染料、药物、酚类、除草剂和农药、多环芳烃等光谱有机污染物的研究进展。利用金属掺杂、双金属金属氧化物、碳基异质结、有机聚合物、碳点和其他功能化材料等技术改进材料性能的方法进行了阐述。光催化过程的机理已被阐明。强调了材料光催化应用的适宜性。强调了材料应用的前景和挑战。最后，提出了提高材料在实际废水应用中的效率的创新方法。

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来源期刊

Journal of Molecular Liquids 化学-物理：原子、分子和化学物理

CiteScore

10.30

自引率

16.70%

发文量

2597

审稿时长

78 days

期刊介绍： The journal includes papers in the following areas: – Simple organic liquids and mixtures – Ionic liquids – Surfactant solutions (including micelles and vesicles) and liquid interfaces – Colloidal solutions and nanoparticles – Thermotropic and lyotropic liquid crystals – Ferrofluids – Water, aqueous solutions and other hydrogen-bonded liquids – Lubricants, polymer solutions and melts – Molten metals and salts – Phase transitions and critical phenomena in liquids and confined fluids – Self assembly in complex liquids.– Biomolecules in solution The emphasis is on the molecular (or microscopic) understanding of particular liquids or liquid systems, especially concerning structure, dynamics and intermolecular forces. The experimental techniques used may include: – Conventional spectroscopy (mid-IR and far-IR, Raman, NMR, etc.) – Non-linear optics and time resolved spectroscopy (psec, fsec, asec, ISRS, etc.) – Light scattering (Rayleigh, Brillouin, PCS, etc.) – Dielectric relaxation – X-ray and neutron scattering and diffraction. Experimental studies, computer simulations (MD or MC) and analytical theory will be considered for publication; papers just reporting experimental results that do not contribute to the understanding of the fundamentals of molecular and ionic liquids will not be accepted. Only papers of a non-routine nature and advancing the field will be considered for publication.