新型杂化z型Agx/WO3@CdS修饰g-C3N4异质结高效降解有机染料复合光催化剂的构建

IF 4.3 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Tarek A. Yousef , Ahmed T. Mosleh , M. Khairy , Hela Ferjani , Heba Y. Zahran , V. Ganesh , Samer H. Zyoud , Elbadawy A. Kamoun , Ibrahim S. Yahia
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引用次数: 0

摘要

采用热诱导自聚合的方法,构建了具有调整Ag形态的Agx/WO3@CdS修饰g-C3N4异质结Z-scheme的新型杂化复合材料,然后进行了Agx/WO3@CdS修饰g-C3N4的溶胶-凝胶共沉淀。利用XRD、SEM、能量色散x射线(EDX)、元素映射的HR-TEM、FT-IR、拉曼光谱和UV-DRS分析等仪器表征方法对纳米复合材料进行了表征。结果表明,g-C3N4和g-C3N4@WO3@CdS纳米材料具有较好的光催化性能和稳定性。这种观察是通过向nc中添加Ag来实现的。在可见光照射下,g-C3N4@1 %Ag/WO3@CdS NCs在光催化活性方面优于g-C3N4样品,在50和70 min时分别降解98.30% (0.08539 min−1)的荧光素(FS)和95.36% (0.0332 min−1)的刚刚红(CR)。在O2•−和•OH等活性物质的攻击下,目标污染物可被深度氧化为无害的无机化合物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Construction of novel hybrid Z-scheme Agx/WO3@CdS decorated g-C3N4 heterojunction as composite photocatalyst for efficient degradation of organic dyes
Novel hybrid composite of Z-scheme of Agx/WO3@CdS decorated g-C3N4 heterojunction with adjusted morphology of Ag were facilely constructed via thermal-induced self-polymerization, then followed by sol-gel coprecipitation of Agx/WO3@CdS decorated g-C3N4. The nanocomposites were characterized using instrumental characterizations, e.g., XRD, SEM, energy-dispersive X-ray (EDX), HR-TEM with elemental mapping, FT-IR, Raman spectroscopy, and UV-DRS analyses. Results revealed that g-C3N4 and g-C3N4@WO3@CdS NCs have better photocatalytic properties and stability. This observation was achieved through the addition of Ag to NCs. Under visible light irradiation, g-C3N4@1 %Ag/WO3@CdS NCs outperformed the g-C3N4 sample in terms of photocatalytic activity, degrading 98.30 % (0.08539 min−1) of Fluorescein (FS) and 95.36 % (0.0332 min−1) of Congo Red (CR) at 50 and 70 min, respectively. Under the attack of active species like O2•− and OH, the target pollutants can be oxidized deeply to harmless inorganic compounds.
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来源期刊
Journal of Physics and Chemistry of Solids
Journal of Physics and Chemistry of Solids 工程技术-化学综合
CiteScore
7.80
自引率
2.50%
发文量
605
审稿时长
40 days
期刊介绍: The Journal of Physics and Chemistry of Solids is a well-established international medium for publication of archival research in condensed matter and materials sciences. Areas of interest broadly include experimental and theoretical research on electronic, magnetic, spectroscopic and structural properties as well as the statistical mechanics and thermodynamics of materials. The focus is on gaining physical and chemical insight into the properties and potential applications of condensed matter systems. Within the broad scope of the journal, beyond regular contributions, the editors have identified submissions in the following areas of physics and chemistry of solids to be of special current interest to the journal: Low-dimensional systems Exotic states of quantum electron matter including topological phases Energy conversion and storage Interfaces, nanoparticles and catalysts.
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