Dynamic electrostatic assembly of polyelectrolytes and perfluorosurfactants into environmentally Adaptable, freestanding membranes with ultralow surface energy and surface adhesion

Cheng, Qianhui; Wang, Dayang

doi:10.1016/j.jcis.2023.05.126

Cited by 1 publication

(2 citation statements)

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Section: Lbl Electrostatic Assemblymentioning

confidence: 99%

“…For cationic polyelectrolytes, they can dissociate in solution to produce positively charged polymers. Several types of cationic polyelectrolytes have been developed, commonly including the poly(dimethyl diallyl ammonium chloride) (PDDA), polyaniline (PANI), , poly(ethylenimine) (PEI), , poly(allylamine hydrochloride) (PAH), , etc., and their chemical formulas are shown in Figure . For anionic polyelectrolytes, they can ionize into negatively charged polymers in solution because their molecular chains usually contain anionic groups, such as −COO – , −SO 3 – , −OSO 3 – , −OPO 3 – , etc.…”

Section: Lbl Electrostatic Assemblymentioning

confidence: 99%

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Layer-by-Layer Self-Assembly Strategies of Atomically Thin Two-Dimensional Nanomaterials: Principles, Methods, and Functional Applications

Cai,

Yang,

et al. 2024

ACS Appl. Nano Mater.

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Two-dimensional (2D) layered materials are an indispensable cornerstone of modern industry, which harnesses their strengths and creativity for energy, catalysis, sensors, and many other fields. Nowadays, materials science has transitioned from single-component substances to multicomponent composites, and how to efficiently construct multifunctional layered composites with controllable and stable structures has become a research hotspot. Among many available preparation techniques, the layer-by-layer (LbL) self-assembly technology is one of the most efficient strategies, which utilizes the noncovalent weak intermolecular forces to achieve stable binding of different components and thus exhibits extensive suitability compared with traditional methods. Precise molecular-level control of the structure and properties of LbL-assembled composites can be achieved through the selection of assembly units and the design of the assembly sequence. Benefiting from these merits, LbL-assembled laminated composites have been widely used in energy conversion and storage, optoelectronic and magnetic devices, drug delivery, sensors, separation membranes, and so on. In this review, we summarize the recent advances in the current mainstreams of LbL assembly technology, including the van der Waals (vdW) assembly, electrostatic assembly, Langmuir–Blodgett (LB) assembly, and hydrogen-bonded assembly. Moreover, a systematic review and perspective are provided not only on the applications of water electrolysis, lithium-ion batteries, optoelectronics, and magnetic devices but also on the existing challenges and future directions for LbL assembly.

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Section: Lbl Electrostatic Assemblymentioning

confidence: 99%