用于多目标降解有机分子的优先定向 m 调谐 WO3 薄膜光催化剂

IF 7.5 Q1 CHEMISTRY, PHYSICAL Applied Surface Science Advances Pub Date : 2024-02-01 DOI:10.1016/j.apsadv.2024.100573
Yogesh M. Chitare , Vikas V. Magdum , Shirin P. Kulkarni , Shweta V. Talekar , Shraddha A. Pawar , Prashant D. Sawant , Dhanaji B. Malavekar , Umakant M. Patil , Chandrakant D. Lokhande , Jayavant L. Gunjakar
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引用次数: 0

摘要

在这项研究中,通过一种简单而经济有效的化学沉积(CBD)方法,在玻璃基底上沉积了形态调谐氧化钨(m-tuned WO3)薄膜。通过改变沉积的 pH 值来调整 m-tuned WO3 薄膜的物理化学特性。m-tuned WO3 薄膜呈现出沿 (020) 平面优先取向的正方晶体结构。形态学研究表明,在改变 pH 值时,"稻壳状 "向 "交错纳米片 "转变,再向 "由纳米棒组成的网状纳米片 "转变,突出了 pH 值在 m-tuned WO3 薄膜合成中的重要作用。m-tuned WO3 薄膜在太阳光谱的可见光区域(390-780 纳米)显示出良好的吸收性。m-tuned WO3 薄膜可用于可见光活性光催化降解亚甲基蓝(MB)、罗丹明 B(Rh B)和盐酸四环素(TC)等有机分子。经过优化的 m-tuned WO3 薄膜在 180 分钟内对 MB、Rh B 和 TC 的光催化性能分别达到 95%、94% 和 86%。本研究证明了 CBD 方法在沉积 m-tuned WO3 和改善光催化性能方面的实用性。
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Preferentially oriented m-tuned WO3 thin-films photocatalysts for the multitargeted degradation of organic molecules

In this work, morphology-tuned tungsten oxide (m-tuned WO3) thin films are deposited on a glass substrate by a simple and cost-effective chemical bath deposition (CBD) method. The deposition pH is varied to tune the physicochemical properties of m-tuned WO3 thin films. The m-tuned WO3 thin films show an orthorhombic crystal structure with a preferred orientation along the (020) plane. The morphological study demonstrated the conversion of ‘rice hull’ to ‘interlocked nanosheets’ to ‘reticulated nanosheets composed of nanorods’ upon changing pH, highlighting the significant role of pH in m-tuned WO3 thin film synthesis. The m-tuned WO3 thin films show good absorption in the visible-light region (390–780 nm) of the solar spectrum. The m-tuned WO3 thin films are used for the visible light active photocatalytic degradation of organic molecules such as methylene blue (MB), rhodamine B (Rh B), and tetracycline hydrochloride (TC). The optimized m-tuned WO3 thin film shows maximum photocatalytic performance of 95, 94, and 86 % in 180 min for MB, Rh B, and TC, respectively. The present study demonstrates the usefulness of the CBD method for the deposition of m-tuned WO3 and improved photocatalytic performance.

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CiteScore
8.10
自引率
1.60%
发文量
128
审稿时长
66 days
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