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IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-03-24 DOI:10.1021/acs.langmuir.4c04934

Zewei Huang, Yingjie Wang, Meiying Ye, Heyong Cheng

引用次数: 0

摘要

采用有限平面快速蒸发法在玻璃基底上合成了两种TiO2反蛋白石薄膜（F-TiO2-IOF和CO-TiO2-IOF），该方法省时、省试剂，且易于控制其形状。与 F-TiO2-IOF 相比，CO-TiO2-IOF 显示出更平滑的形貌、更好的光催化效率和稳定性。在 IOF 改性的微反应器中，5 mg L-1 的罗丹明 B (RhB) 在 120 秒内降解了 95% 以上。在 H2O2 和 CO-TiO2-IOF 的协同催化作用下，光催化效率更高，在此基础上，IOF 改性光催化微反应器与紫外可见分光光度计的流动池集成，可在 2 分钟内实现 RhB 的在线监测。CO-TiO2-IOF 改性微反应器还降解了其他含氮染料，如酒石酸和靛胭脂红，降解率达 83-95%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Fabrication of a TiO2 Inverse Opal Film-Modified Photocatalytic Microreactor for Highly Efficient Degradation of Dyes

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Fabrication of a TiO2 Inverse Opal Film-Modified Photocatalytic Microreactor for Highly Efficient Degradation of Dyes

Two TiO₂ inverse opal films (F-TiO₂-IOF and CO-TiO₂-IOF) were synthesized on glass substrates by a limited planar rapid evaporation method, which was time- and reagent-saving, and it was easy to control their shape. The CO-TiO₂-IOF displayed a smoother mophology and better photocatalytic efficiency and stability than F-TiO₂-IOF. Over 95% of 5 mg L^–1 rhodamine B (RhB) was degraded within 120 s in the IOF-modified microreactors. A higher photocatalytic efficiency could be achieved with the synergistic catalysis of H₂O₂ and CO-TiO₂-IOF, based on which the online monitoring of RhB was realized within 2 min in the IOF-modified photocatalytic microreactor integrated with the flow cell of a UV–vis spectrophotometer. Other nitrogen-containing dyes like tartrazine and indigo carmine were also degraded in CO-TiO₂-IOF-modified microreactors with degradation rates of 83–95%.

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).