Guanidinium-Based Polymerizable Surfactant as a Multifunctional Molecule for Controlled Synthesis of Nanostructured Materials with Tunable Morphologies

ACS Applied Materials & Interfaces
Jingwei JiGuangtao Li

Abstract

Rationally and efficiently controlling the morphology of nanomaterials plays a crucial role in significantly enhancing their functional properties and expending their applications. In this work, a strategy for controlled synthesis of diverse nanostructured materials with tunable morphologies was developed using a guanidinium-based surfactant with a polymerizable pyrrole unit as a multifunctional molecule that can serve not only as a structure-directing agent for mesostucture formation but also as a monomer and carbon source. The unique self-assembly behavior of the guanidinium head group under different conditions allows the synthesized surfactants to form different aggregates and thus to produce silica nanomaterials with multiple morphologies (such as sphere, disk, fiber, and cocoon) in conjunction with sol-gel chemistry. Besides the mesostructured silicates, by further exploring the polymerization and carbonization features of pyrrole units that were densely packed in the formed silica nanochannels, diverse nanostructured materials such as mesostructured conducting polymers, carbon materials, and metal-nanoparticle (NP)-decorated forms could also be easily obtained in one-pot fashion for various applications, such as energy s...Continue Reading

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Citations

Jan 17, 2020·Scientific Reports·Myung Sik ChoiChanghyun Jin
Mar 28, 2018·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Tao DingKaiyong Cai
Jan 17, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Masaaki AkamatsuHideki Sakai

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