期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 22, 期 14, 页码 7440-7450出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cp00077a
关键词
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资金
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET, Argentina) [PIP 0370]
- Agencia Nacional de Promocion Cientifica y Tecnologica (ANPCyT, Argentina) [PICT-2016-1680, PICT-20171523]
- Universidad Nacional de La Plata (UNLP)
- CONICET
- Austrian Institute of Technology GmbH (AITCONICET Partner Group: Exploratory Research for Advanced Technologies in Supramolecular Materials Science'') [4947/11, 3911]
Polyamine-salt aggregates have become promising soft materials in nanotechnology due to their easy preparation process and pH-responsiveness. Here, we report the use of hexacyanoferrate(ii) and hexacyanoferrate(iii) as electroactive crosslinking agents for the formation of nanometer-sized redox-active polyamine-redox-salt aggregates (rPSA) in bulk suspension. This nanoplatform can be selectively assembled or disassembled under different stimuli such as redox environment, pH and ionic strength. By changing the charge of the building blocks, external triggers allow switching the system between two phase states: aggregate-free solution or colloidal rPSA dispersion. The stimuli-activated modulation of the assembly/disassembly processes opens a path to exploit rPSA in technologies based on smart nanomaterials.
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