天然衍生的 Janus 纤维素纳米材料：各向异性纤维素纳米材料构建块及其组装成不对称结构,ACS Nano

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天然衍生的 Janus 纤维素纳米材料：各向异性纤维素纳米材料构建块及其组装成不对称结构
ACS Nano ( IF 15.8 ) Pub Date : 2022-09-08 , DOI: 10.1021/acsnano.2c04883
Qianqian Wang _{1,

2,

3} , Rui Zhou ₁ , Jianzhong Sun ₁ , Jun Liu ₁ , Qianqian Zhu _{1,

2}

Affiliation

天然衍生的纤维素纳米材料 (CNM) 具有理想的理化性质，因其在广泛领域的广泛应用而备受关注。最近，具有不对称结构（即还原端和非还原端以及结晶和无定形域）的 Janus 两亲性纤维素纳米材料颗粒受到关注，为 Janus 纳米材料提供了丰富而复杂的工具箱。通过仔细的表面和界面工程，Janus CNM 颗粒已显示出作为乳液、纳米复合材料和悬浮液中的表面改性剂、乳化剂、稳定剂、增容剂和分散剂的巨大潜力。天然衍生的 Janus CNM 颗粒为扩大自支撑 Janus CNM 膜的生产提供了一个极好的机会。尽管如此，迄今为止，大多数 Janus CNM 膜都是通过不对称制造或不对称修饰构建的，而没有考虑 CNM 颗粒的 Janus 特性。未来更多的研究应侧重于将 Janus CNM 颗粒自组装成块状自立 Janus CNM 膜，以便为 Janus 膜提供更直接和可持续的方法。本综述探讨了 Janus CNM 颗粒和膜的制造、结构-性质关系和 Janus 配置机制。Janus CNM 膜因其在液体、热和光管理方面的多功能应用而备受瞩目。这篇综述还强调了可持续 Janus CNM 颗粒和膜的构建和应用方面的重大进展和未来前景。

"点击查看英文标题和摘要"

Naturally Derived Janus Cellulose Nanomaterials: Anisotropic Cellulose Nanomaterial Building Blocks and Their Assembly into Asymmetric Structures

Naturally derived cellulose nanomaterials (CNMs) with desirable physicochemical properties have drawn tremendous attention for their versatile applications in a broad range of fields. More recently, Janus amphiphilic cellulose nanomaterial particles with asymmetric structures (i.e., reducing and nonreducing ends and crystalline and amorphous domains) have been in the spotlight, offering a rich and sophisticated toolbox for Janus nanomaterials. With careful surface and interfacial engineering, Janus CNM particles have demonstrated great potential as surface modifiers, emulsifiers, stabilizers, compatibilizers, and dispersants in emulsions, nanocomposites, and suspensions. Naturally derived Janus CNM particles offer a fascinating opportunity for scaling up the production of self-standing Janus CNM membranes. Nevertheless, most Janus CNM membranes to date are constructed by asymmetric fabrication or asymmetric modification without considering the Janus traits of CNM particles. More future research should focus on the self-assembly of Janus CNM particles into bulk self-standing Janus CNM membranes to enable more straightforward and sustainable approaches for Janus membranes. This review explores the fabrication, structure–property relationship, and Janus configuration mechanisms of Janus CNM particles and membranes. Janus CNM membranes are highlighted for their versatile applications in liquid, thermal, and light management. This review also highlights the significant advances and future perspectives in the construction and application of sustainable Janus CNM particles and membranes.

更新日期：2022-09-08

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