Interfacial Assembly and Jamming of Polyelectrolyte Surfactants: A Simple Route To Print Liquids in Low-Viscosity Solution

Autor:	Shaowei Shi, Ruiyan Xu, Tan Liu, Huilou Sun, Thomas P. Russell, Beibei Wang
Rok vydání:	2020
Předmět:	Materials science Nanoparticle Jamming 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Polyelectrolyte 0104 chemical sciences Surface tension Chemical engineering Simple (abstract algebra) General Materials Science 0210 nano-technology
Zdroj:	ACS Applied Materials & Interfaces. 12:18116-18122
ISSN:	1944-8252 1944-8244
DOI:	10.1021/acsami.0c00577
Popis:	Nanoparticle surfactants (NPSs) assembled at the oil-water interface can significantly lower the interfacial tension and be used to structure liquids. However, to realize the three-dimensional printing of one liquid in another, high-viscosity liquids, for example, silicone oil, have been generally used. Here, we present a simple, low-cost approach to print water in low-viscosity toluene by using a new type of polyelectrolyte surfactant, sodium carboxymethyl cellulose surfactant (CMCS), that forms and assembles at the oil-water interface. The interfacial activity of CMCSs can be enhanced by tuning parameters, such as pH and concentration, and the incorporation of a rigid ligand affords excellent mechanical strength to the resultant assemblies. With CMCS jammed at the interface, liquids can be easily printed or molded to the desired shapes, with biocompatible walls that can be used to encapsulate and adsorb active materials. This study opens a new pathway to generate complex, all-liquid devices with a myriad of potential applications in biology, catalysis, and chemical separation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34f985e2173a846f051bf24faa5e83d3 https://doi.org/10.1021/acsami.0c00577 Zobrazit plný text záznamu