Surface functionalization of two-dimensional nanomaterials beyond graphene: Applications and ecotoxicity

IF 15.9 1区 化学 Q1 CHEMISTRY, PHYSICAL Advances in Colloid and Interface Science Pub Date : 2024-11-22 DOI:10.1016/j.cis.2024.103357
Jin Zeng , Qing Zhao , Zhiqiang Xiong , Siyu Zhang , Shuo Deng , Daxu Liu , Xuejiao Zhang
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Abstract

Two dimensional (2D) nanomaterials have emerged as promising candidates in nanotechnology due to their excellent physical, chemical, and electronic properties. However, they also pose challenges such as environmental instability and low biosafety. To address these issues, researchers have been exploring various surface functionalization methods to enhance the performance of 2D nanomaterials in practical applications. Moreover, when released into the environment, these 2D nanomaterials may interact with natural organic matter (NOM). Both intentional surface modification and unintentional environmental corona formation can alter the structure and physicochemical properties of 2D nanomaterials, potentially affecting their ecological toxicity. This review provides a comprehensive overview of covalent functionalization strategies and non-covalent interactions of 2D nanomaterials beyond graphene with organic substances, examining the resultant changes in material properties after modification. Covalent functionalization methods discussed include nucleophilic substitution reactions, addition reactions, condensation, and coordination. Non-covalent interactions are classified by substance type, covering interactions with NOM, in vivo biomolecules, and synthetic compounds. In addition, the review delves into the effects of surface functionalization on the toxicity of 2D nanomaterials to bacteria and algae. This discussion contributes to a foundational understanding for assessing the potential ecological risks associated with 2D nanomaterials.

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石墨烯以外的二维纳米材料的表面功能化:应用和生态毒性
二维(2D)纳米材料由于其优异的物理、化学和电子特性而成为纳米技术中很有前途的候选材料。然而,它们也带来了环境不稳定和低生物安全性等挑战。为了解决这些问题,研究人员一直在探索各种表面功能化方法,以提高二维纳米材料在实际应用中的性能。此外,当释放到环境中时,这些二维纳米材料可能与天然有机物质(NOM)相互作用。有意的表面修饰和无意的环境电晕形成都可以改变二维纳米材料的结构和物理化学性质,从而潜在地影响其生态毒性。本文全面综述了石墨烯以外的二维纳米材料与有机物质的共价功能化策略和非共价相互作用,并研究了改性后材料性能的变化。共价功能化方法包括亲核取代反应、加成反应、缩合反应和配位反应。非共价相互作用按物质类型分类,包括与NOM、体内生物分子和合成化合物的相互作用。此外,本文还深入探讨了表面功能化对二维纳米材料对细菌和藻类的毒性的影响。这一讨论有助于对评估与二维纳米材料相关的潜在生态风险有一个基本的了解。
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来源期刊
CiteScore
28.50
自引率
2.60%
发文量
175
审稿时长
31 days
期刊介绍: "Advances in Colloid and Interface Science" is an international journal that focuses on experimental and theoretical developments in interfacial and colloidal phenomena. The journal covers a wide range of disciplines including biology, chemistry, physics, and technology. The journal accepts review articles on any topic within the scope of colloid and interface science. These articles should provide an in-depth analysis of the subject matter, offering a critical review of the current state of the field. The author's informed opinion on the topic should also be included. The manuscript should compare and contrast ideas found in the reviewed literature and address the limitations of these ideas. Typically, the articles published in this journal are written by recognized experts in the field.
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