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Exploring low-cost and highly efficient non-precious metal electrocatalysts toward oxygen reduction reaction is crucial for the development of fuel cells. Herein, we report the synthesis of bamboo-like N-doped carbon nanotubes with encapsulated Fe-nanoparticles through high-temperature pyrolysis of multiple nitrogen complex consisting of benzoguanamine, cyanuric acid, and melamine. As-prepared catalyst...
External irradiation–soot species interaction is a subject that is of great interest due to its existing and future use in research diagnostics, nanomaterial synthesis and energy generation applications. An assessment of the influence of broadband radiation (ultraviolet to infrared wavelengths) on the evolution of soot species within a laminar ethylene-air flame is therefore performed to improve the...
Silicon carbide (SiC) nanowires were synthesized using lignin-phenolic resin (LPR) and silicon powder as raw materials. The morphology and structures of the nanowires were characterized by scanning electron microscopy, transmission electron microscopy and X-ray diffraction. The influence of reaction conditions on the growth of the nanowires was investigated by thermodynamic analysis. It was revealed...
A series of novel multicolored near-infrared electrochromic polyimide (PI)-based composites with graphene oxide (GO) were prepared by using in situ polymerization. The prepared PI/GO composites are readily soluble in many organic solvents, and display outstanding thermal resistance, stably electrochromic characteristics, high coloration efficiency, short switching time, and anodic electrochromic behavior...
Graphene CVD-grown on Cu has been studied using Raman spectroscopy, X-ray absorption spectroscopy (XAS) and X-ray emission spectroscopy (XES). Raman data indicate the presence of weak compressive strain at the interface of graphene/Cu. Compared with highly ordered pyrolytic graphite (HOPG), new electronic states in the conduction band are observed for graphene/Cu, which are mainly ascribed to the...
The effect of hydrazine (N 2 H 4 ) vapor on the properties of single-walled carbon nanotube (SWCNT) networks was investigated by sheet resistance measurement, scanning electron microscopy, Raman spectroscopy, ultraviolet photoelectron spectroscopy and X-ray photoelectron spectroscopy (XPS). Our results show that, even after an auxiliary thermal desorption treatment at 80°C, the n-doping...
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