A simple and versatile route for the synthesis of mesoporous carbon nanotube (CNT)-supported platinum/tungsten carbide (Pt/WC) nanoparticles (NPs) was set up via vapor deposition process. Amorphous CNT (α-CNT) was used to immobilize Pt/WC NPs. Platinum 2,4-pentanedionate, hexacarbonyltungsten and α-CNTs were selected as raw materials. Large density of W2C/Pt NPs was uniformly decorated on the wall of α-CNTs and W2C NPs were amorphous structured. The diameters of Pt NPs ranged from 3 to 6 nm, with mean diameter of about 4 nm. This approach provides an efficient method to fabricate carbides or other non-carbides metal NPs on CNT for the in situ synergistic fabrication of heterostructures. [ABSTRACT FROM AUTHOR]
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