Synthesis of CuFe2O4‐Ti and CuFe2O4‐Ti‐GO nanocomposite photocatalysts using green‐synthesized CuFe2O4: determination of photocatalytic activity, bacteria inactivation and antibiotic degradation potentials under visible light

光催化 纳米复合材料 核化学 材料科学 亚甲蓝 傅里叶变换红外光谱 水热合成 热液循环 介孔材料 拉曼光谱 光致发光 化学工程 吸附 漫反射红外傅里叶变换 化学 纳米技术 催化作用 有机化学 工程类 物理 光学 光电子学
作者
Can Burak Özkal
出处
期刊:Journal of Chemical Technology & Biotechnology [Wiley]
卷期号:97 (7): 1842-1859 被引量:8
标识
DOI:10.1002/jctb.7058
摘要

Abstract BACKGROUND Advanced oxidation processes (AOPs), specifically photocatalysis have gained an essential attraction in the field of micro pollutants degradation. Synthesis and use of proper photocatalysts for target pollutant and water matrix scenarios constitute the primary field of research. In this study, hydrothermal and sol‐gel synthesis methods were applied for the synthesis of nanocomposites in the form of spinel ferrite CuFe 2 O 4 (CF) nanocomposites and CuFe 2 O 4 ‐Ti (CFT) and CuFe 2 O 4 ‐Ti‐GO (CFT‐GO) heterojunction nanocomposites with magnetic properties. And prior to photocatalytic activity based screening, bacteria inactivation and antibiotic degradation potentials of optimum NCs were determined under visible light conditions. PEG and Cydonia oblonga seed extract were used as chemical and bio‐chemical reducing‐stabilizing agents throughout the hydrothermal synthesis step. The as produced NCs were characterized by XRD, SEM, EDX, BET Surface, FTIR, RAMAN, Photoluminescence and Diffuse Reflectance Spectroscopy analysis. RESULTS According to the pre‐screening findings based on the methylene blue removal efficiencies of NCs under UV‐vis, CFT %1(w/w) have provided >70% removal at the end of 120 min. While CFT‐GO NCs yielded 30% removal rates (Pseudo first order kinetic constants of 0.012 and 0.0036 min −1 respectively). The reactive oxygen species formation by CFT‐GO NC photocatalysts was hindered as a result of conjugation mechanism between MB and aromatic regions of GO and due to high adsorption capacity of the NC. Based on photocatalytic bacteria inactivation findings of the pre‐screened NCs; >99% of bacteria were inactivated following 90 min of photocatalytic oxidation by CFT‐GO 3%. According to the Modified HOM model, k 2 values were estimated to be 1.36 and 1.93 for CFT 1% and CFT‐GO 3% NCs, while no initial and post delay of bacteria inactivation was observed for the latter. Optimum photocatalyst dose was examined (to be 0.6 g L −1 ) based on photocatalytic degradation of sulfamethoxazole antibiotic at varying initial concentration ([C] 0 SMX = 10 and 2.5 mg L −1 ). The CFT 1% photocatalysts have provided >89 % SMX degradation level (for [C] 0 SMX = 2.5 g L −1 ). For the case of mixture of antibiotics [C] 0 total = 2.5 g L −1 , CFT 1% have provided >99.5%, >90%, >90% and 28% photocatalytic degradation levels at the end of 180 min for SMX AMP, TET and CLRT antibiotics respectively, while the total rate of degradation was 77%. CONCLUSION By using the green synthesis procedure, copper ferrite nanocomposites (CF) was successfully fabricated with comparable physical and chemical properties. This study not only reports on the green synthesis of common p‐type spinel CuFe 2 O 4 but also offer new design of photocatalysts capable of providing efficient removal of antibiotics and bacteria inactivation under visible‐light irradiation. © 2022 Society of Chemical Industry (SCI).
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
lwm不想看文献完成签到 ,获得积分10
刚刚
2秒前
拼搏一曲发布了新的文献求助10
3秒前
CAOHOU应助科研通管家采纳,获得10
4秒前
共享精神应助科研通管家采纳,获得10
4秒前
CAOHOU应助科研通管家采纳,获得10
4秒前
SYLH应助科研通管家采纳,获得20
4秒前
乐乐应助科研通管家采纳,获得10
4秒前
汉堡包应助科研通管家采纳,获得10
4秒前
FashionBoy应助科研通管家采纳,获得10
4秒前
桐桐应助科研通管家采纳,获得10
4秒前
4秒前
深情安青应助科研通管家采纳,获得10
4秒前
CAOHOU应助科研通管家采纳,获得10
4秒前
SYLH应助科研通管家采纳,获得10
4秒前
CAOHOU应助科研通管家采纳,获得10
4秒前
Owen应助科研通管家采纳,获得10
5秒前
SYLH应助科研通管家采纳,获得10
5秒前
SYLH应助科研通管家采纳,获得10
5秒前
5秒前
酷波er应助科研通管家采纳,获得10
5秒前
wushuwen发布了新的文献求助10
5秒前
6秒前
xuan完成签到,获得积分10
7秒前
完美世界应助段一帆采纳,获得10
9秒前
少敏敏完成签到,获得积分10
11秒前
may发布了新的文献求助10
11秒前
16秒前
18秒前
兜兜关注了科研通微信公众号
18秒前
wbh完成签到,获得积分10
19秒前
太牛的GGB发布了新的文献求助10
19秒前
wbh发布了新的文献求助10
21秒前
乐乐应助may采纳,获得10
21秒前
顺利的梦菲完成签到 ,获得积分10
22秒前
777完成签到 ,获得积分10
22秒前
上官若男应助忧郁盼夏采纳,获得10
23秒前
冷艳的姿发布了新的文献求助10
24秒前
量子星尘发布了新的文献求助10
26秒前
27秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
‘Unruly’ Children: Historical Fieldnotes and Learning Morality in a Taiwan Village (New Departures in Anthropology) 400
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3989378
求助须知:如何正确求助?哪些是违规求助? 3531442
关于积分的说明 11254002
捐赠科研通 3270126
什么是DOI,文献DOI怎么找? 1804887
邀请新用户注册赠送积分活动 882087
科研通“疑难数据库(出版商)”最低求助积分说明 809173