A fast green synthesis of Ag nanoparticles in carboxymethyl cellulose (CMC) through UV irradiation technique for antibacterial applications

2015 ◽  
Vol 75 (3) ◽  
pp. 530-540 ◽  
Author(s):  
Mohamed Basuny ◽  
Ibraheem O. Ali ◽  
Ahmed Abd El-Gawad ◽  
Mostafa F. Bakr ◽  
Tarek M. Salama
Keyword(s):  
Green Synthesis ◽  
Uv Irradiation ◽  
Ag Nanoparticles ◽  
Carboxymethyl Cellulose ◽  
Fast Green

scholarly journals Photocatalytic Activity of Ag-TiO2 Composites Deposited by Photoreduction under UV Irradiation

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Carlos Díaz-Uribe ◽  
Jose Viloria ◽  
Lorraine Cervantes ◽  
William Vallejo ◽  
Karen Navarro ◽  
...  
Keyword(s):  
Thin Films ◽  
Raman Spectroscopy ◽  
Photocatalytic Activity ◽  
Photocatalytic Degradation ◽  
Uv Irradiation ◽  
Ag Nanoparticles ◽  
Nitrate Solution ◽  
Physicochemical Characterization ◽  
Soda Lime Glass ◽  
X Ray

In this work, we synthesized Ag nanoparticles on TiO2 thin films deposited on soda lime glass substrates. Ag nanoparticles were synthesized by photoreduction under UV irradiation silver nitrate solution. X-ray diffraction, Raman spectroscopy, scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS) measurements were used for physicochemical characterization. The structural study showed that all samples were polycrystalline, main phases were anatase and rutile, and no additional signals were detected after surface modification. Raman spectroscopy suggested that silver aggregates deposited on the TiO2 films could exhibit the surface plasmon resonance (SPR) phenomenon; XPS and SEM analysis confirmed TiO2 film morphological modification after photoreduction process. Photocatalytic degradation of methylene blue (MB) was studied under UV irradiation in aqueous solution, and, besides, pseudo-first-order model was used to obtain kinetic information about photocatalytic degradation. Results indicated that Ag-TiO2 showed an important increase in photocatalytic activity under UV (from 20% to 35%); finally, Ag-TiO2 thin films had kapp value 2.4 × 10−3 ± 0.003 min−1 of 1.8 times greater than the kapp value 1.3 × 10−4 ± 0.0004 min−1 of TiO2 thin films.

Surface morphology, electrochemical and electrical performances of ZnO thin films sensitized with Ag nanoparticles by UV irradiation

2019 ◽  
Vol 30 (10) ◽  
pp. 9798-9805
Author(s):  
Congrong Wang ◽  
Zhengyu Yang ◽  
Jianguo Lv ◽  
Qianqian Zhu ◽  
Jingwen Jiang ◽  
...  
Keyword(s):  
Thin Films ◽  
Surface Morphology ◽  
Uv Irradiation ◽  
Ag Nanoparticles ◽  
Zno Thin Films

Green Synthesis of Ag Nanoparticles with Anti-bacterial Activity Using the Leaf Extract of an African Medicinal Plant, Ipomoea asarifolia (Convolvulaceae)

2017 ◽  
Vol 28 (5) ◽  
pp. 3009-3019 ◽  
Author(s):  
Jamal M. Khaled ◽  
Naiyf S. Alharbi ◽  
Shine Kadaikunnan ◽  
Ahmed S. Alobaidi ◽  
Mohammed N. Al-Anbr ◽  
...  
Keyword(s):  
Medicinal Plant ◽  
Green Synthesis ◽  
Ag Nanoparticles ◽  
Leaf Extract ◽  
Bacterial Activity ◽  
Ipomoea Asarifolia
Sign in / Sign up

Export Citation Format

Share Document