硫代乙酰胺对镀金滤膜微观结构及催化性能的影响

doi:10.12066/j.issn.1007-2861.2709

上海大学学报(自然科学版) ›› 2025, Vol. 31 ›› Issue (5): 907-914.doi: 10.12066/j.issn.1007-2861.2709

• 材料科学 • 上一篇

硫代乙酰胺对镀金滤膜微观结构及催化性能的影响

夏民强^1,2, 李拓², 莫庆生³, 王玉³, 李运波²

1. 长沙理工大学化学与医药工程学院, 长沙 410114;
2. 上海大学材料科学与工程学院, 上海 200444;
3. 深圳松柏科工股份有限公司, 深圳 518101

收稿日期:2025-02-24 发布日期:2025-11-12
通讯作者: 夏民强(1992-),男,讲师,博士,研究方向为功能化金纳米薄膜. E-mail:xiaminqiang@csust.edu.cn
基金资助:
上海大学创新基金资助项目

Efiect of thioacetamide on the microstructure and catalytic performance of gold plated fllter membrane

XIA Minqiang^1,2, LI Tuo², MO Qingsheng³, WANG Yu³, LI Yunbo²

1. School of Chemistry and Pharmaceutical Engineering, Changsha University of Science & Technology, Changsha 410114, China;
2. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China;
3. Shenzhen Songbai Science and Industry Co., Ltd., Shenzhen 518101, China

Received:2025-02-24 Published:2025-11-12

摘要/Abstract

摘要： 通过硫代乙酰胺对纳米金溶胶前处理,简单、快捷制备镀金滤膜,并对硝基苯酚进行催化降解.结果表明,经过硫代乙酰胺处理的金纳米粒子形貌发生较大变化,稳定性提高,可用比表面积增加,有利于提高其催化降解的活性.不同质量浓度的硫代乙酰胺对金纳米粒子催化性能的影响不同,硫代乙酰胺质量浓度为30 μg/mL 时,催化效率最高,催化时间最短,仅为210 s.对镀金滤膜催化剂的循环使用寿命测试发现,添加30 μg/mL的硫代乙酰胺处理的金纳米粒子,经过7 个循环测试实验后仍能保持90%的催化活性.这为制备绿色环保、简单快捷的新型膜催化剂提供了可行性依据.

关键词: 金纳米粒子, 硫代乙酰胺, 硝基苯酚, 镀金滤膜, 膜催化剂

Abstract: This work presents a simple and efficient preparation of gold-plated filter membranes using thioacetamide as a pretreatment for gold colloids, and investigates the catalytic degradation of nitrophenol. The results showed that gold nanoparticles treated with thioacetamide underwent significant changes in morphology, improved stability, and increased available specific surface area, which is beneficial for enhancing their catalytic degradation activity. The catalytic performance of gold nanoparticles varies with different concentrations of thioacetamide. When the concentration is 30 μg/mL, the catalytic efficiency is highest and the catalytic time is shortest, only requiring 210 s. Cyclic service life revealed that gold nanoparticles treated with thioacetamide at a concentration of 30 μg/mL maintained 90% catalytic activity after 7 cycles of testing. This provides a feasible basis for a new type of membrane catalyst that is green, environmentally friendly, simple, and fast.

Key words: gold nanoparticle, thioacetamide, nitrophenol, gold plated filter membrane, membrane catalyst

中图分类号:

O657.3

夏民强, 李拓, 莫庆生, 王玉, 李运波. 硫代乙酰胺对镀金滤膜微观结构及催化性能的影响[J]. 上海大学学报(自然科学版), 2025, 31(5): 907-914.

XIA Minqiang, LI Tuo, MO Qingsheng, WANG Yu, LI Yunbo. Efiect of thioacetamide on the microstructure and catalytic performance of gold plated fllter membrane[J]. Journal of Shanghai University（Natural Science Edition）, 2025, 31(5): 907-914.

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硫代乙酰胺对镀金滤膜微观结构及催化性能的影响

Efiect of thioacetamide on the microstructure and catalytic performance of gold plated fllter membrane

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