光催化
热液循环
纳米复合材料
X射线光电子能谱
高分辨率透射电子显微镜
锐钛矿
拉曼光谱
二氧化钛
化学工程
材料科学
核化学
纳米颗粒
纳米技术
化学
催化作用
有机化学
工程类
透射电子显微镜
物理
光学
冶金
作者
Karuppiah Nagaraj,Pilavadi Thankamuniyandi,Subramaniam Kamalesu,Snehal Lokhandwala,Nikhil M. Parekh,Subramanian Sakthinathan,Te−Wei Chiu,Chelladurai Karuppiah
标识
DOI:10.1016/j.inoche.2022.110362
摘要
The study involves synthesis of TiO2 nanoparticles using variable amount of silver by a facile & cost effective method. [email protected]2 NPs which is an alternative to traditional chemical method using the aqueous extract Leucas Aspera plant as an agent for both reducing and capping. The synthesized material was analysed by UV–vis, infra red, Raman, HRTEM, XPS, XRD, SAED, EDS and all these confirmed the presence of anatase phase titanium dioxide. Crystalline nature and purity of [email protected]2 was confirmed from sharp peaks obtained from the XRD. HR-TEM confirmed the size of nanoparticle produced in the range of 5 nm. Spectral data of Raman and XPS studies confirmed oxidation state and energy modes of [email protected]2 NPs. The Ag anchored TiO2 nanostructure mediated photo-degradation of picric acid exhibited higher catalytic activity than that of titanium oxide supporting irradiation of visible-light. The concentration at 1.0 × 10-2 M of silver coated titanium dioxide NPs attained higher photocatalytic performance within 60 min, indicating the advancement of toxic dye removal from the environment using bioinspired [email protected]2 nanoparticles.
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