Hydrothermal synthesis of nano nickel phosphides and investigation of their thermal stability
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Bo Wang
Abstract
Nanometer scale nickel phosphide particles (Ni2P and Ni12P5) were synthesized via a mild hydrothermal method with red phosphor and nickel chloride as raw materials. X-ray diffraction, energy dispersive spectrometry, transmission electron microscopy, scanning electron microscopy and differential thermal analysis–thermogravimetric analysis were employed to characterize the resulting products. The results showed that the as-prepared products were well crystallized and particle sizes ranged from 10 to 40 nm. Investigation of raw material ratios and initial pH of the reaction system showed increasing P/Ni ratio did benefit the formation of Ni2P but went against obtaining Ni12P5 and nano-particles were obtained only in an alkaline environment. Subsequent differential thermal analysis–thermogravimetric analysis indicated that Ni2P remained as the major phase till 500 °C in an air atmosphere.
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Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Martensite transformation of sub-micron retained austenite in ultra-fine grained manganese transformation-induced plasticity steel
- Isothermal transformation of β-phase in Cu-rich Cu-Al-Sn alloys
- The effect of nitrogen on the coarsening rate of precipitate phases in iron-based alloys with chromium and vanadium: experimental and theoretical investigations
- Phase diagram investigation of the Sn-InxAgyCuz (x:y:z = 7:2:1) section in the Ag-In-Sn-Cu system
- Grain refinement and mechanical properties of low-carbon steel by means of equal channel angular pressing and annealing
- Thermophysical properties of solid phase palladium over a wide temperature range
- Magnetic properties of Nd-Fe-Co-Al rapid solidification alloys
- Synthesis of Ir1-xRex (0.15 ≤ x ≤ 0.40) solid solutions under high-pressure and high-temperature
- Preparation and magnetic characterization of Fe/metal oxide nanocomposite particles by means of hydrogen reduction assisted ultrasonic spray pyrolysis (USP-HR)
- Biofilm formation and corrosion resistance of Ni/SiC nanocomposite layers
- Characterization of electrospun fibrous scaffold produced from Indian eri silk fibroin
- Hydrothermal synthesis of nano nickel phosphides and investigation of their thermal stability
- Effects of PVP and CTAB surfactants on the morphology of cerium oxide nanoparticles synthesized via co-precipitation method
- DGM News
- DGM News
