首页|Syngas production by photoreforming of formic acid with 2D VxW1-xN1.5 solid solution as an efficient cocatalyst
Syngas production by photoreforming of formic acid with 2D VxW1-xN1.5 solid solution as an efficient cocatalyst
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Formic acid(FA)is a potential biomass resource of syngas with contents of carbon monoxide(CO,60 wt.％)and hydrogen(H2,4.4 wt.％).Among the technologies for FA conversion,the photoreforming of FA has received widespread attention due to its use of green solar energy conversion technology and mild reaction conditions.Herein,a V-W bimetallic solid solution,VxW1-xN1.5 with efficient co-catalytic properties was first and facilely synthesized.When CdS was used as a photocatalyst,the activity performance of the V0.1W0.9N1.5 system was over 60％higher than that of the W2N3 system.The computational simulations and experiments showed the V0.1W0.9N1.5 had great metallic features and large work functions,contributing a faster photo-generated carrier transfer and less recombination,finally facilitating a great performance in cocatalyst for syngas production in photoreforming FA.This work provides an approach to synthesizing novel transition metal nitrides for photocatalysis.
International Research Center for Renewable Energy,State Key Laboratory of Multiphase Flow in Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China
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