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Catalysts 2018, 8(7), 280;

PdO/ZnO@mSiO2 Hybrid Nanocatalyst for Reduction of Nitroarenes

Department of Chemistry, Pusan National University, Busan 46241, Korea
Author to whom correspondence should be addressed.
Received: 27 June 2018 / Revised: 11 July 2018 / Accepted: 11 July 2018 / Published: 14 July 2018
(This article belongs to the Special Issue Hybrid Catalysis)
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Development of a novel approach for synthesizing nanostructured catalysts and achieving further improvements in catalytic activity, effectiveness, and efficiency remains a major challenge. In this report, we describe the preparation of a nanostructured PdO/ZnO@mSiO2 hybrid nanocatalyst featuring well-dispersed PdO nanoparticles within hollow ZnO@mSiO2. The as-prepared PdO/ZnO@mSiO2 hybrid nanocatalyst exhibited good morphological features, derived from the controlled stepwise synthesis from Pd/PS@ZIF-8@mSiO2 (PS = polystyrene). The morphology, size, oxidation state, crystallinity, and thermal stability of the prepared PdO/ZnO@mSiO2 hybrid nanocatalyst were confirmed by a series of physicochemical techniques. The PdO/ZnO@mSiO2 hybrid nanocatalyst showed very high catalytic efficiency in the reduction of 4-nitrophenol and various nitroarenes under eco-friendly conditions. Therefore, the PdO/ZnO@mSiO2 hybrid nanocatalyst is a promising alternative catalyst for applications in environmental remediation. View Full-Text
Keywords: nanocatalyst; heterogeneous catalyst; PdO/ZnO; nitrocompound reduction nanocatalyst; heterogeneous catalyst; PdO/ZnO; nitrocompound reduction

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Kim, J.; Kim, A.; Muthuchamy, N.; Park, K.H. PdO/ZnO@mSiO2 Hybrid Nanocatalyst for Reduction of Nitroarenes. Catalysts 2018, 8, 280.

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