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Download Hi-Res ImageDownload to MS-PowerPointCite This:Chem. Mater. 2017, 29, 2, 639-647
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Exploring the Origin of High Dechlorination Activity in Polar Materials M2B5O9Cl (M = Ca, Sr, Ba, Pb) with Built-In Electric Field

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† Laboratory of Environmental Sciences and Technology, Xinjiang Technical Institute of Physics & Chemistry; Key Laboratory of Functional Materials and Devices for Special Environments, Chinese Academy of Sciences, Urumqi 830011, China
‡ Key Laboratory of Ministry of Education for Green Chemical Technology and the R & D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
§ Department of Chemistry and Biochemistry and the Materials Technology Center, Southern Illinois University, Carbondale, Illinois 62901, United States
*E-mail: [email protected]
*E-mail: [email protected]
Cite this: Chem. Mater. 2017, 29, 2, 639–647
Publication Date (Web):December 9, 2016
https://doi.org/10.1021/acs.chemmater.6b04082
Copyright © 2016 American Chemical Society
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Abstract

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Polar photocatalyst materials usually exhibit ferroelectric characteristics giving rise to spontaneous polarization behavior which works as a driving force for the separation of photogenerated electrons and holes and mitigates the effect of charge recombination. This study shows that the surface potential changes for a polar phtotocatalyst before and after photoirradiation can be used to predict the photocatalytic activities among different phtotocatalysts. We systematically investigated the correlation among the surface properties, crystal structure, electronic band structure, photocatalytic activity, and stability of four B–O and alkaline earth cations containing photocatalysts, M2B5O9Cl (M = Ca, Sr, Ba, Pb). Among the four studied photocatalysts, Ba2B5O9Cl exhibits the greatest changes in the surface potential after photoirradiation and also shows the highest photocatalytic activity for dechlorination of chlorophenols under UV light irradiation. Its photocatalytic activity is about 1.3, 2.8, 4.4, and 15 times those of Ca2B5O9Cl, Sr2B5O9Cl, Pb2B5O9Cl, and P25 samples, respectively. The results support that the photocatalytic activity of the four photocatalysts strongly depends on the spontaneous polarization power. Overall, these findings demonstrate the utility of Kelvin probe force microscopy that can screen for a highly efficient photodegradation materials in the field of photocatalysis.

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The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.chemmater.6b04082.

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Cited By

This article is cited by 18 publications.

  1. Zujian Wang, Jiangang He, Bing Hu, Pai Shan, Zheyao Xiong, Rongbing Su, Chao He, Xiaoming Yang, Xifa Long. Ca2B5O9Cl and Sr2B5O9Cl: Nonlinear Optical Crystals with Deep-Ultraviolet Transparency Windows. ACS Applied Materials & Interfaces 2020, 12 (4) , 4632-4637. https://doi.org/10.1021/acsami.9b21072
  2. Yang Chi, Huai-Guo Xue, Sheng-Ping Guo. Designing Sulfide Borate as a Novel Type of Second-Order Nonlinear-Optical Material. Inorganic Chemistry 2020, 59 (2) , 1547-1555. https://doi.org/10.1021/acs.inorgchem.9b03426
  3. Xinhua Song, Jiajia Wang, Ruoqian Zhang, Yuanyuan Liu, Guangwei Yu, Ying Dai, Zeyan Wang, Peng Wang, Zhaoke Zheng, Baibiao Huang. Polar Molecular Modification onto BiOBr to Regulate Molecular Oxygen Activation. The Journal of Physical Chemistry C 2019, 123 (25) , 15599-15605. https://doi.org/10.1021/acs.jpcc.9b02784
  4. Xiaoyun Fan, Xiu Yue, Hanzhong Jia. In Situ Raman Probing of Chlorphenol Degradation on Different Facets of K3B6O10Br Single Crystal. The Journal of Physical Chemistry C 2018, 122 (26) , 14574-14581. https://doi.org/10.1021/acs.jpcc.8b03176
  5. Deming Tan, Benjamin Kirbus, Michael Rüsing, Tobias Pietsch, Michael Ruck, Lukas M. Eng. Resource‐Efficient Low‐Temperature Synthesis of Microcrystalline Pb 2 B 5 O 9 X (X = Cl, Br) for Surfaces Studies by Optical Second Harmonic Generation. Small 2020, 318 , 2000857. https://doi.org/10.1002/smll.202000857
  6. Yang Zhang, Yufei Zhai, Yang Yu, Zhi Su, Xiaoyun Fan. The halogen atoms induced different oxygen vacancies in RbNa2B6O10X (X = Cl, Br) for the enhanced photo-dechlorination properties. Applied Surface Science 2020, 504 , 144498. https://doi.org/10.1016/j.apsusc.2019.144498
  7. Shuguan Li, Liqi Bai, Ning Ji, Shixin Yu, Sen Lin, Na Tian, Hongwei Huang. Ferroelectric polarization and thin-layered structure synergistically promoting CO 2 photoreduction of Bi 2 MoO 6. Journal of Materials Chemistry A 2020, 3 https://doi.org/10.1039/D0TA02102D
  8. Fang Chen, Hongwei Huang, Lin Guo, Yihe Zhang, Tianyi Ma. The Role of Polarization in Photocatalysis. Angewandte Chemie 2019, 131 (30) , 10164-10176. https://doi.org/10.1002/ange.201901361
  9. Fang Chen, Hongwei Huang, Lin Guo, Yihe Zhang, Tianyi Ma. The Role of Polarization in Photocatalysis. Angewandte Chemie International Edition 2019, 58 (30) , 10061-10073. https://doi.org/10.1002/anie.201901361
  10. Xiaoyun Fan, Kangdi Zhong, Yang Zhang, Jiao Yin, Yufei Zhai. Band structure engineering of boron–oxygen-based materials for efficient charge separation. Materials Chemistry Frontiers 2019, 3 (7) , 1440-1448. https://doi.org/10.1039/C9QM00072K
  11. Yuanyuan Li, Meijun Wu, Qiang Wang, Kun Wang, He Zhang, Xuejun Quan, Bin Zhang, Dingfeng Yang. High-Efficiency Visible Light Responsive Sulfide KSb5S8 Photocatalyst with a Layered Crystal Structure. Catalysts 2019, 9 (6) , 529. https://doi.org/10.3390/catal9060529
  12. Yang Zhang, Yufei Zhai, Yang Yu, Zhi Su, Jiao Yin, Chuanyi Wang, Xiaoyun Fan. Improved photo-dechlorination at polar photocatalysts K 3 B 6 O 10 X (X = Cl, Br) by halogen atoms-modulated polarization. Catalysis Science & Technology 2019, 9 (9) , 2273-2281. https://doi.org/10.1039/C9CY00148D
  13. Ruonan Yin, Yang Li, Kangdi Zhong, Hang Yao, Yamin Zhang, Kangrong Lai. Multifunctional property exploration: Bi 4 O 5 I 2 with high visible light photocatalytic performance and a large nonlinear optical effect. RSC Advances 2019, 9 (8) , 4539-4544. https://doi.org/10.1039/C8RA08984A
  14. Danning Xing, Yuanyuan Liu, Peng Zhou, Zeyan Wang, Peng Wang, Zhaoke Zheng, Xiaoyang Zhang, Xiaoyan Qin, Ying Dai, Baibiao Huang. Enhanced photocatalytic hydrogen evolution of CdWO4 through polar organic molecule modification. International Journal of Hydrogen Energy 2019, 44 (10) , 4754-4763. https://doi.org/10.1016/j.ijhydene.2019.01.002
  15. Yuanyuan Li, Qimei Yang, Zhongming Wang, Guoyu Wang, Bin Zhang, Qian Zhang, Dingfeng Yang. Rapid fabrication of SnO 2 nanoparticle photocatalyst: computational understanding and photocatalytic degradation of organic dye. Inorganic Chemistry Frontiers 2018, 5 (12) , 3005-3014. https://doi.org/10.1039/C8QI00688A
  16. Min Li, Hongwei Huang, Shixin Yu, Na Tian, Yihe Zhang. Facet, Junction and Electric Field Engineering of Bismuth-Based Materials for Photocatalysis. ChemCatChem 2018, 10 (20) , 4477-4496. https://doi.org/10.1002/cctc.201800859
  17. Zhizhong Zhang, Ying Wang, Bingbing Zhang, Zhihua Yang, Shilie Pan. Polar Fluorooxoborate, NaB 4 O 6 F: A Promising Material for Ionic Conduction and Nonlinear Optics. Angewandte Chemie 2018, 130 (22) , 6687-6691. https://doi.org/10.1002/ange.201803392
  18. Zhizhong Zhang, Ying Wang, Bingbing Zhang, Zhihua Yang, Shilie Pan. Polar Fluorooxoborate, NaB 4 O 6 F: A Promising Material for Ionic Conduction and Nonlinear Optics. Angewandte Chemie International Edition 2018, 57 (22) , 6577-6581. https://doi.org/10.1002/anie.201803392

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