兴奋剂
热液循环
光催化
材料科学
带隙
分析化学(期刊)
纳米技术
吸收(声学)
催化作用
化学
化学工程
光电子学
工程类
生物化学
复合材料
色谱法
作者
Keting Feng,Chenxuan Wang,Xiaosong Hu,Jun Fan,Enzhou Liu
摘要
Developing photocatalysts with excellent H2 evolution performance has been an urgent concern for practical application. Herein, Ni-doped Mn0.5Cd0.5S was prepared using one-step alkaline hydrothermal strategy. Investigation shows that doping Ni element can enhance the performance of Mn0.5Cd0.5S. 3% Ni-doped Mn0.5Cd0.5S can obtain the highest rate at 108.3 mmol g−1 h−1 (λ > 420 nm), and nearly 14.4 times more than undoped counterpart (7.5 mmol g−1 h−1). The defect level formed in Mn0.5Cd0.5S after doping Ni can make the band gap decrease to 2.35 eV and act as electrons capture center, which promoting charge separation and transfer. Meanwhile, the range of light absorption become wider. This research provides a promising way to enhance the catalytic activity for solid solution through simple element doping.
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