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S型异质结NiTiO3/CdS光催化页岩气返排废水产氢性能研究

刘雪妍 谭文雯 王婧茹 张茹 徐龙君 刘成伦

刘雪妍, 谭文雯, 王婧茹, 张茹, 徐龙君, 刘成伦. S型异质结NiTiO3/CdS光催化页岩气返排废水产氢性能研究[J]. 燃料化学学报(中英文), 2024, 52(3): 413-420. doi: 10.19906/j.cnki.JFCT.2023074
引用本文: 刘雪妍, 谭文雯, 王婧茹, 张茹, 徐龙君, 刘成伦. S型异质结NiTiO3/CdS光催化页岩气返排废水产氢性能研究[J]. 燃料化学学报(中英文), 2024, 52(3): 413-420. doi: 10.19906/j.cnki.JFCT.2023074
LIU Xueyan, TAN Wenwen, WANG Jingru, ZHANG Ru, XU Longjun, LIU Chenglun. Photocatalytic decomposition of shale gas flowback water producing hydrogen by S-scheme heterojunction NiTiO3/CdS[J]. Journal of Fuel Chemistry and Technology, 2024, 52(3): 413-420. doi: 10.19906/j.cnki.JFCT.2023074
Citation: LIU Xueyan, TAN Wenwen, WANG Jingru, ZHANG Ru, XU Longjun, LIU Chenglun. Photocatalytic decomposition of shale gas flowback water producing hydrogen by S-scheme heterojunction NiTiO3/CdS[J]. Journal of Fuel Chemistry and Technology, 2024, 52(3): 413-420. doi: 10.19906/j.cnki.JFCT.2023074

S型异质结NiTiO3/CdS光催化页岩气返排废水产氢性能研究

doi: 10.19906/j.cnki.JFCT.2023074
基金项目: 国家自然科学基金 (52174157)资助
详细信息
    通讯作者:

    Tel: 13752820583, E-mail: xulj@cqu.edu.cn

  • 中图分类号: X703.1

Photocatalytic decomposition of shale gas flowback water producing hydrogen by S-scheme heterojunction NiTiO3/CdS

Funds: The project was supported by National Natural Science Foundation of China (52174157).
  • 摘要: 本研究通过简单水热法制备出具有S型异质结构的NiTiO3/CdS光催化材料。采用X射线衍射(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、X射线光电子能谱(XPS)、比表面积分析及紫外-可见漫反射光谱(UV-vis DRS)等手段对光催化剂进行表征,并通过光催化页岩气返排废水产氢实验测试其产氢性能。结果表明,NiTiO3和CdS两者成功复合,15% NiTiO3/CdS表现出最强的产氢性能(1568.9 µmol/(g·h))和优异的循环利用潜力。本研究对开发高效稳定的S型异质结光催化剂、废水的多效利用及缓解能源短缺具有重要意义。
  • FIG. 3020.  FIG. 3020.

    FIG. 3020.  FIG. 3020.

    图  1  NTO/CS光催化剂产氢性能

    Figure  1  Hydrogen production performance of NTO/CS(a): H2 production yield; (b): rate constant.

    图  2  NTO、CS和NTO/CS的XRD谱图

    Figure  2  XRD spectra of NTO, CS and NTO/CS

    图  3  样品的SEM图、晶粒尺寸分布图及NTO/CS-15的TEM、HRTEM图片

    Figure  3  SEM for (a) NTO, (b) CS and (c) NTO/CS-15, (d) grain size distribution images of samples, (e) TEM and (f) HRTEM images of NTO/CS-15

    图  4  NTO、CS和NTO/CS-15的XPS能谱图

    Figure  4  XPS spectra for NTO, CS and NTO/CS-15

    (a): full spectrum; (b): Ni 2p; (c): Ti 2p; (d): O 1s; (e): Cd 3d; (f): S 2p.

    图  5  样品氮气吸附-脱附曲线(内含孔径分布)

    Figure  5  N2 adsorption-desorption isotherms and pore size distribution curves (inset) for CS and NTO/CS-15

    图  6  NTO、CS和NTO/CS-15的光学性能测试

    Figure  6  (a) UV-DRS and (b) band gap energy for NTO, CS and NTO/CS-15

    图  7  NTO、CS和NTO/CS-15的电化学性能测试

    Figure  7  (a) EIS and (b) TPR for NTO, CS and NTO/CS-15

    图  8  NTO/CS-15的循环实验产氢曲线及循环前后的XRD谱图

    Figure  8  (a) Stability test and (b) XRD patterns before and after 5 recycles for NTO/CS-15

    图  9  NiTiO3/CdS的光催化机理

    Figure  9  Photocatalytic mechanism over NiTiO3/CdS

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出版历程
  • 收稿日期:  2023-07-09
  • 修回日期:  2023-09-19
  • 录用日期:  2023-09-19
  • 网络出版日期:  2023-10-12
  • 刊出日期:  2024-03-08

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