Abstract
Porous WC nanoplates (PWCPs) were synthesized by a nitridization‐carbonization process using WO3 nanoplates as the precursor for morphological control. The WO3 nanoplates were derived from tungstate‐based inorganic‐organic hybrid belts. The synthesis of PWCPs involved a nitridization reaction of WO3 nanoplates in NH3 at 650°C for 2 h, followed by a carbonization reaction in a CO/CO2 (10:1, v/v) mixture at 750°C for 10 h. The as‐obtained product is a pure hexagonal WC phase with a plate‐like and porous morphology. The aggregates of the PWCPs with dimensions of (100–300) × (10–30) nm form a house‐of‐card structure with open channels and high‐specific surface areas, and can act as potential supports of electrocatalysts for high‐performance fuel cells.
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