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Use of Amidoxime Polyacrylonitrile Bead-Supported Pd-Based Nanoparticles as High Efficiency Catalysts for Dehydrogenation of Formic Acid

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Amidoxime polyacrylonitrile (AOPAN) beads with diameter of around 2 mm were prepared by a simple ball-dropping method, and were used as support for the immobilization of Pd or PdNi nanoparticles for catalytic application in formic acid dehydrogenation. The Pd-based nanoparticles showed uniform distribution on the surface of the AOPAN beads, with good accessibility to reagents. The optimized PdNi/AOPAN catalyst can efficiently convert formic acid to hydrogen with a turn over frequency of 3041 h−1 under ambient conditions, and this catalytic activity was maintained well for at least seven cycles. The millimeter-sized beads can float on water, making them easy to manipulate and recover without any weight loss. The amidoxime and cyano groups on the surface of the AOPAN beads play critical roles in stabilizing and distributing Pd-based nanoparticles, and may also participate in the synergistic activation of formic acid dehydrogenation.
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Keywords: Amidoxime Group; Formic Acid Dehydrogenation; Pd Nanoparticles; Polyacrylonitrile Beads

Document Type: Research Article

Affiliations: 1: College of Chemistry, Jilin University, Changchun, 130012, P. R. China 2: Department of Wound Repair Center, Burn and Plastic Surgery, First Affiliated Hospital of Chinese PLA General Hospital, Beijing, 100037, P. R. China

Publication date: April 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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