具有增强的太阳能驱动光催化活性的 AgIO3/Cu2SnS3 S 型纳米异构光催化剂的表面和电化学特性

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces Pub Date : 2024-09-19 DOI:10.1016/j.surfin.2024.105140

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引用次数: 0

摘要

废水处理被认为是克服全球水资源威胁的最大挑战之一。因此，人们致力于寻找替代解决方案，以最大限度地利用消耗 70% 水资源的工业或农业废水。有趣的是，太阳能作为一种可再生、绿色和无成本的能源，是废水处理的理想可持续解决方案。在此背景下，人们通过简单、经济、大规模的方法制备了基于钙钛矿的纳米异构体，如 AgIO3/Cu2SnS3，并将其作为可见光活性光催化剂用于废水处理。研究人员利用扫描电子显微镜 (SEM)、X 射线粉末衍射 (XRD)、N2 吸光度 (BET)、X 射线光电子能谱 (XPS)、紫外可见光分光光度法 (UV-vis) 和等电点 (pHiep) 来研究纳米异质结构的特性。所制备的纳米异构体被评估为利用太阳能光降解阿莫西林的光催化剂。60 分钟后，AgIO3/Cu2SnS3（25ACS）显示出卓越的光降解效率（93.5%）。为了深入了解光降解机理，还进行了 Mot-Schottky 图和捕集实验。

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Surface and electrochemical characteristics of S-scheme nanoheterostructured photocatalysts of AgIO3/Cu2SnS3 with enhanced solar energy driven photocatalytic activity

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Surface and electrochemical characteristics of S-scheme nanoheterostructured photocatalysts of AgIO3/Cu2SnS3 with enhanced solar energy driven photocatalytic activity

Wastewater treatment is regarded as one of the most challenges to overcome worldwide water threats. As a result, great efforts were devoted to find alterative solutions to maximize the usage of wastewater in industries or agriculture which consumes 70 % of water resources. Interestingly, the utilization of solar energy as a renewable, green and costless energy source is the ideal sustainable solution for wastewater treatment. In this context, Chalcogenides based nanoheterostructures such as AgIO₃/Cu₂SnS₃ were prepared via simple, cost-effective and large-scale methods then utilized as visible light active photocatalysts for wastewater treatment. Scanning electron microscopy (SEM), X-ray powder diffraction (XRD), N₂ sorpometry (BET), X-ray photoelectron spectroscopy (XPS), ultraviolet visible light spectrophotometry (UV–vis), and Isoelectric point (pH_iep) were utilized to investigate the characteristics of nanoheterostructures. The produced nanoheterostructures were evaluated as photocatalysts for amoxicillin photodegradation using solar energy. The AgIO₃/Cu₂SnS₃ (25ACS) demonstrated a superior photodegradation efficiency (93.5 %) after 60 min. Mot-Schottky plots and trapping experiments were carried out to have an extensive insight of the photodegradation mechanism.

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来源期刊

Surfaces and Interfaces Chemistry-General Chemistry

CiteScore

8.50

自引率

6.50%

发文量

753

审稿时长

35 days

期刊介绍： The aim of the journal is to provide a respectful outlet for ''sound science'' papers in all research areas on surfaces and interfaces. We define sound science papers as papers that describe new and well-executed research, but that do not necessarily provide brand new insights or are merely a description of research results. Surfaces and Interfaces publishes research papers in all fields of surface science which may not always find the right home on first submission to our Elsevier sister journals (Applied Surface, Surface and Coatings Technology, Thin Solid Films)