NDLI: Bio-synthesis of palladium nanocubes and their electrocatalytic properties

Content Provider	IET Digital Library
Author	Peng, Xuwen Cui, Zelin Bai, Xuefeng Lv, Hongfei
Abstract	The bio-synthesis of palladium nanocubes (PdNCs) was realised using pine needle extract as the reducing agent and cetyl trimethyl ammonium bromide as the capping agent. As an eco-friendly and readily available biomass, pine needle extract avoided the use of highly polluting chemical reducing agents. The growth process of PdNCs was analysed using ultraviolet–vis and Fourier transform infrared spectroscopy. Flavonoids, esters, terpenoids and polyhydric alcohols, which contain reductive groups, were mainly responsible for the transition of Pd2+ ions to PdNCs. The morphology and structure of PdNCs were characterised using transmission electron microscopy (TEM), high-resolution TEM, selected area electron diffraction and X-ray diffraction. It was indicated that the as-prepared PdNCs displayed a relatively high purity and good crystallinity with a face-centred cubic structure and exhibited sizes ranging from 6.11 to 29.51 nm with an average particle size of 11.18 nm. In the methanol electro-oxidation reaction, the PdNCs enclosed by {100} facets exhibited superior electro-catalytic activity to commercial Pd/C, which was rarely reported in other bio-synthesis processes for Pd catalysts. Meanwhile, the PdNCs showed excellent anti-poisoning ability and long-term stability. This study reveals the possibility of preparing shape-controlled PdNCs with a specific structure and excellent electro-catalytic activity.
Starting Page	1031
Ending Page	1036
Page Count	6
ISSN	17518741
Volume Number	12
e-ISSN	1751875X
Issue Number	Issue 8, Dec (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-nbt/12/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-nbt.2018.5159
Journal	IET Nanobiotechnology
Publisher Date	2018-07-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alloys Antipoisoning Ability Biomass Biosynthesis Processes Capping Agent Catalysis Catalysts Cetyl Trimethyl Ammonium Bromide Chemical Reducing Agents Electrocatalytic Property Electrochemistry And Electrophoresis Electrolysis Electron Diffraction Esters Face-centred Cubic Structure Flavonoids Fourier Transform Infrared Spectra Fourier Transform Infrared Spectroscopy Heterogeneous Catalysis at SurFace And Other Surface Reactions High-resolution TEM Infrared And Raman Spectra in Metals Long-term Stability Methanol Electrooxidation Reaction Nanofabrication Nanoparticle Nanotube And Nanostructured Material Optical Property of Metals And Metallic Alloy Organic Compound Oxidation Palladium Palladium Nanocubes Particle Size Pd Pine Needle Extract Polyhydric Alcohols Reaction Mechanisms Reduction (Chemical) Selected Area Electron Diffraction Semimetals Specific Chemical Reactions Structure of Solid Clusters Terpenoids Transmission Electron Microscopy Ultraviolet Spectra Ultraviolet-visible Spectroscopy Visible And Ultraviolet Spectra of Metals Visible Spectra X-Ray Diffraction
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering Biotechnology

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