植物介导合成CdS纳米颗粒及其表征及其在光催化降解有毒有机染料中的应用

IF 1.4 3区管理学 Q2 INFORMATION SCIENCE & LIBRARY SCIENCE

College & Research Libraries Pub Date : 2021-04-01 DOI:10.22034/CRL.2021.262754.1097

Amir Ullah, Sufian Rasheed, Irfan Ali, N. Ullah

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引用次数: 9

摘要

本文首次提出了一种以刺梨提取物为原料合成纳米CdS的环保、廉价的方法。本方法重现性好，速度快。结构分析采用uv -可见，FTIR, XRD, EDX, SEM和TEM。XRD和TEM分析表明，纳米颗粒呈球形，粒径在2.5 ~ 8nm之间。红外光谱研究表明，纳米颗粒周围存在属于植物提取物的植物化学物质的官能团，防止它们团聚。因此制备的CdS NPs即使在2个月后也表现出优异的稳定性。利用Tauc图计算光学带隙，即3.31 eV。在太阳光照射下，它们作为光催化剂对亚甲基蓝水溶液降解的活性也有比较的报道，在太阳光照射下，该颗粒在120分钟内的降解率为87.12%。

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Plant Mediated Synthesis of CdS Nanoparticles, their characterization and application for photocatalytic degradation of toxic organic dye

In this work, environmentally friendly and cheap method for the synthesis of CdS nanoparticles for the first time using extract of Dicliptera Roxburghiana is presented. The present method is found to be reproducible and rapid. Structural analysis is carried out by UV-visible, FTIR, XRD, EDX, SEM, and TEM. XRD and TEM analysis revealed that the nanoparticles have spherical shape and size in the range of 2.5-8nm. FTIR studies showed the presence of functional groups which belong to the phytochemicals of plant extract that surrounds the nanoparticle preventing them from agglomeration. Thus the prepared CdS NPs exhibit excellent stability even after 2 months. The optical band gap was calculated using Tauc Plot i.e. 3.31 eV. Their activity as photocatalysts against an aqueous solution of methylene blue degradation under solar irradiation in a comparative manner is also reported and the particle has a % degradation of 87.12% in just 120 minutes under solar light irradiation.

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来源期刊

College & Research Libraries INFORMATION SCIENCE & LIBRARY SCIENCE-

CiteScore

3.10

自引率

22.20%

发文量

审稿时长

45 weeks

期刊介绍： College & Research Libraries (C&RL) is the official scholarly research journal of the Association of College & Research Libraries, a division of the American Library Association, 50 East Huron St., Chicago, IL 60611. C&RL is a bimonthly, online-only publication highlighting a new C&RL study with a free, live, expert panel comprised of the study''s authors and additional subject experts.