Research Article

Uniform Loading of Nickel Phosphide Nanoparticles in Hierarchical Carbonized Wood Channel for Efficient Electrocatalytic Hydrogen Evolution

Figure 2

(a) Powder XRD pattern of the Ni-P-O precursors. (b) Digital photograph of Ni-P-O/wood and Ni2P-Ni12P5/CW composites.
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(b)