3D打印SiO2气凝胶/NaNbO3复合材料的吸附及降解性能研究

赵梓丞, 赵文璞, 季惠明*

化工新型材料 ›› 2025, Vol. 53 ›› Issue (4) : 187 -192.

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化工新型材料 ›› 2025, Vol. 53 ›› Issue (4) : 187-192. DOI: 10.19817/j.cnki.issn1006-3536.2025.04.022
科学研究

3D打印SiO2气凝胶/NaNbO3复合材料的吸附及降解性能研究

    赵梓丞, 赵文璞, 季惠明*
作者信息 +

Study on the adsorption and degradation properties of 3D printed SiO2 aerogel/NaNbO3 composites

  • Zhao Zicheng, Zhao Wenpu, Ji Huiming
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文章历史 +
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摘要

使用直写型3D打印技术制备了兼具吸附及催化降解功能的SiO2/NaNbO3复合材料,并对材料的微观形貌、多孔结构进行表征,测试其对于高浓度罗丹明B(RhB)的吸附及催化降解性能,研究冷热循环作用下NaNbO3热释电性对催化性能的辅助作用。结果表明,循环测试5次后,在紫外线光照下3D打印SiO2/NaNbO3复合材料对RhB(100mg/L)的去除率可以达到78.87%,相比在黑暗条件下仅以吸附为主的情况下提高了23.12%,而在冷热循环下去除率进一步提升到了89.31%。NaNbO3的负载为3D打印复合材料提供了热释电辅助的催化降解RhB的功能,并且有效提高了对RhB的去除效率。

Abstract

SiO2/NaNbO3 composites with both adsorption and catalytic degradation functions were prepared by direct-writing 3D printing technology.The micromorphology and porous structure of the materials were characterized,and their adsorption and catalytic degradation properties for high-concentration rhodamine B (RhB) were tested.What's more,the auxiliary effect of NaNbO3 pyroelectricity on the catalytic performance was studied under the action of cold and hot cycles.The results showed that the removal rate of RhB (100mg·L-1) by 3D printed SiO2/NaNbO3 composite under ultraviolet light could reach 78.87% after five cycles of testing,which was 23.12% higher than that under dark conditions where only adsorption was dominant,and further increased to 89.31% under cold and hot cycles.The loading of NaNbO3 provided the 3D printed composite with the pyroelectric-assisted catalytic degradation of RhB,and effectively improved the removal efficiency of RhB.

关键词

3D打印 / SiO2气凝胶 / NaNbO3 / 热释电性 / 有机染料

Key words

3D printing / silica aerogel / NaNbO3 / pyroelectricity / organic dye

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3D打印SiO2气凝胶/NaNbO3复合材料的吸附及降解性能研究[J]. 化工新型材料, 2025, 53(4): 187-192 DOI:10.19817/j.cnki.issn1006-3536.2025.04.022

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基金资助

国家自然基金项目(51972222)

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