【摘要】 采用水热法制备了Ni-Sn₃O₄,并将其与g-C₃N₄复合.通过改变Ni-Sn₃O₄和g-C₃N₄的比例（1%、5%、7%和10%）,制备了一系列不同比例的Ni-Sn₃O₄/g-C₃N₄复合材料（Ni-Sn₃O₄/CN-1、Ni-Sn₃O₄/CN-5、Ni-Sn₃O₄/CN-7和Ni-Sn₃O₄/CN-10）.Ni-Sn₃O₄的引入和S型异质结的形成加快了光生载流子的迁移和分离.Ni元素作为活性位点进一步改善了光生载流子的迁移速率.可见光下的光催化实验结果表明Ni-Sn₃O₄/CN-5的光催化产氢速率最快，为1 961μmol/（h·g）,分别是Ni-Sn₃O₄和g-C₃N₄的163倍和1.4倍.更多还原

【Abstract】 Ni-Sn₃O₄ was prepared by hydrothermal method and synthesized with g-C₃N₄.A series of Ni-Sn₃O₄/g-C₃N₄ composites with different proportions（Ni-Sn₃O₄/CN-1,Ni-Sn₃O₄/CN-5,Ni-Sn₃O₄/CN-7 and Ni-Sn₃O₄/CN-10） were prepared by changing the addition amount of Ni-Sn₃O₄.The introduction of Ni-Sn₃O₄ and the formation of S-scheme heterojunction accelerate the migration and separation of photocarriers.Ni as the active site further improved the photocarrier migration rate.The photocatalytic hydrogen production rate of Ni-Sn₃O₄/CN-5 was the highest, 1 961 μmol/（h·g）,which was 163 times and 1.4 times higher than that of Ni-Sn₃O₄ and g-C₃N₄,respectively.更多还原