Hydrodeoxygenation (HDO) of bio-oil is a crucial step for improving the bio-fuel quality, but developing highly dispersed Pt-based catalysts with high selectivity for target alkanes remains a great challenge. This study presents a fast surfactant-free method to prepare the MoS₂-supported Pt catalyst for HDO. Ultrafine Pt nanoparticles with sizes of <5 nm can be readily grown on chemically exfoliated MoS₂ nanosheets (NSs) via the direct microwave-assisted thermal reduction. The obtained Pt NPs/MoS₂ composites show excellent catalytic performance in the conversion of palmitic acid, and the best selectivity (also the yield) of hexadecane and pentadecane is 80.56 and 19.43%, respectively.

中文翻译：

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MoS ₂纳米片上的无表面活性剂合成超细Pt纳米颗粒作为生物油加氢脱氧的双功能催化剂

生物油的加氢脱氧（HDO）是改善生物燃料质量的关键步骤，但是开发对目标烷烃具有高选择性的高度分散的Pt基催化剂仍然是一个巨大的挑战。这项研究提出了一种快速的无表面活性剂的方法来制备HDS的MoS ₂负载的Pt催化剂。尺寸小于5 nm的超细Pt纳米颗粒可以通过直接微波辅助的热还原反应，轻松地在化学剥落的MoS ₂纳米片（NSs）上生长。所得的Pt NPs / MoS ₂复合材料在棕榈酸的转化中显示出优异的催化性能，十六烷和十五烷的最佳选择性（产率也）分别为80.56和19.43％。