Nitrogen-doped carbon dots with excellent water- and ethanol-solubility were facilely prepared from plant cytoplasm via a one-step hydrothermal route and revealed as low-cost, label-free and highly sensitive and selective probes for detecting p-nitroaniline in both aqueous and soils owing to a proposed hydrogen-bonding effect.
We have prepared Fe3O4 nanocrystal-embedded polyaniline hybrids with well-defined cluster-like morphology through macromolecule-induced self-assembly. These magnetic and electrically conductive composite nanoclusters show flowability at room temperature in the absence of any solvent, which offers great potential in applications such as microwave absorbents and electromagnetic shielding coatings. This macromolecule-induced self-assembly strategy can be readily applied on the fabrication of other ion oxide/conjugated polymer composites to achieve robust multifunctional materials.
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