Enhanced Catalytic Reduction of 4-Nitrophenol Driven by Fe₃O₄-Au Magnetic Nanocomposite Interface Engineering: From Facile Preparation to Recyclable Application.
作者： Yue Chen , Yuanyuan Zhang , Qiangwei Kou , Yang Liu , Donglai Han
DOI: 10.3390/NANO8050353
关键词:
摘要: In this work, we report the enhanced catalytic reduction of 4-nitrophenol driven by Fe3O4-Au magnetic nanocomposite interface engineering. A facile solvothermal method is employed for Fe3O4 hollow microspheres and synthesis via a seed deposition process. Complementary structural, chemical composition valence state studies validate that as-obtained samples are formed in pure magnetite phase. series characterizations including conventional scanning/transmission electron microscopy (SEM/TEM), Mossbauer spectroscopy, testing elemental mapping conducted to unveil structural physical characteristics developed nanocomposites. By adjusting quantity Au seeds coating on polyethyleneimine-dithiocarbamates (PEI-DTC)-modified surfaces microspheres, correlation between amount ability nanocomposites (4-NP) investigated systematically. Importantly, bearing remarkable recyclable features, our can be readily separated with magnet. Such shine light highly efficient catalysts 4-NP at mass production level.
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