Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 497, Issue -, Pages 102-107Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.02.065
Keywords
Graphene foam; Metal-free catalyst; Nitrogen-doping; Three dimensional; p-Nitrophenol; Hydrogenation
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Funding
- High-level Talents Research Fund of Yangzhou University
- Prospective Joint Research Project of Jiangsu Provincial Science and Technology Department [BYE015061-10]
- University of Missouri-Kansas City, School of Graduate Studies
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Developing metal-free catalysts for various applications has been the focus of high interest over the past decade, especially aiming to replace the expensive noble metal-based catalysts. Herein, a well-defined three-dimensional nitrogen-doped graphene foam (3D-NGF) is synthesized and employed as a metal free catalyst for the hydrogenation reduction of p-Nitrophenol to p-Aminophenol. The apparent activation energy is calculated, and the reaction mechanism with 3D-NGF as the catalyst for the hydrogenation reduction of p-Nitrophenol is proposed. Importantly, the 3D-NGF demonstrates high catalytic activity and robust stability. The high activity can be ascribed to the synergistic effect between the nitrogen-doping induced change in electronic property and the 3D foam-like structure. (C) 2017 Elsevier Inc. All rights reserved.
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