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BULLETIN OF THE CHINESE CERAMIC SOCIETY ›› 2024, Vol. 43 ›› Issue (6): 2262-2268.

• Ceramics • Previous Articles     Next Articles

Oriented Growth Control and Photocatalytic Activity of FeWO4 Crystalline Glazes

LI Jiayin1,2, WU Jintao1,3, HUANG Lingyan3,4, ZHANG Jinjin1, ZHONG Xinzi1,3, CHENG Kemu4, LIANG Duo4, WU Yang4, WANG Qinggang3,4, LIU Yijun3,4, XIAO Libiao3,4, CAO Liyun1,3, CHENG Zhiwen5, HUANG Jianfeng1,3   

  1. 1. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
    2. Shaanxi Zhicheng Feng Technical Functional Materials Co., Ltd., Shaanxi 710086, China;
    3. Guangdong Provincial Key Laboratory of Large-Size Ceramic Sheet Enterprises, Foshan 528211, China;
    4. Monalisa Group Co., Ltd., Foshan 528211, China;
    5. Xianyang Research & Design Institute of Ceramics Co., Ltd., Xianyang 712000, China
  • Received:2023-10-30 Revised:2024-01-05 Online:2024-06-15 Published:2024-06-18

Abstract: The crystalline glaze structure with photocatalytic activity has important application value for the surface functionalization of ceramic panels, but the structure control of functionalized surface crystalline glaze and the influence of its growth mode on photocatalytic activity are still unclear. This study used tungsten trioxide, ferrous sulfate, aluminum phosphate, kaolin, and other raw materials to successfully produce crystalline glazes with exposed high nucleophilic crystal faces by regulating FeWO4 with different growth orientation structures at 1 080 ℃. The results indicate that crystalline glaze layers with different orientations exhibit different crystal surface exposures. Crystalline glazes grown with different orientations can provide higher catalytic activity and promote the exposure of highly nucleophilic (100) crystal surfaces, thereby improving the photocatalytic performance of ceramic plate surface. This study can provide theoretical and practical references for the design and regulation of surface functionalization of photo functionalized crystalline glaze materials.

Key words: FeWO4 crystalline glaze, microstructure, photocatalysis, surface acidity, structural regulation

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