Journal ArticleDOI
Microwave-Assisted Synthesis and Characterization of Triton X 100 Capped Silver Nanospheres
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In this paper, the synthesis of silver nanospheres (Ag NS) by a simple microwave irradiation method using Triton X 100 (TX 100) as a capping agent was reported.Abstract:
In this article, we report the synthesis of silver nanospheres (Ag NS) by a simple microwave irradiation method using Triton X 100 (TX 100) as a capping agent. TX 100 was also observed to act as a reducing agent in the presence of microwave radiation. From the ultraviolet-visible spectrum, the formation of Ag NS was confirmed by observing surface plasmon resonance band at 414 nm. The emission band of Ag NS was observed at 482 nm from the photoluminescence (PL) spectrum. High-resolution transmission electron microscopy (HR TEM) was used to investigate the morphology of the synthesized sample. It shows that the synthesized sample has sphere-like morphology with an average diameter of 5 nm. Further, the elemental composition of the Ag NS was determined by energy dispersive x-ray analysis (EDX). Selected area electron diffraction (SAED) was used to find the crystalline nature of the Ag NS. The interaction between Ag NS and TX 100 was established by Raman spectroscopy. The electrochemical behaviour of the synt...read more
Citations
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Journal ArticleDOI
Green synthesis of Ag nanoparticles using Tamarind fruit extract for the antibacterial studies
N. Jayaprakash,J. Judith Vijaya,K. Kaviyarasu,K. Kombaiah,L. John Kennedy,R. Jothi Ramalingam,Murugan A. Munusamy,Hamad A. Al-Lohedan +7 more
TL;DR: The microwave-assisted green synthesis of silver nanoparticles (AgNPs) using Tamarindus indica natural fruit extract is a facile, cost- effective, reproducible, eco-friendly, and green method.
Journal ArticleDOI
Bioreduction potentials of dried root of Zingiber officinale for a simple green synthesis of silver nanoparticles: Antibacterial studies
J. Judith Vijaya,N. Jayaprakash,N. Jayaprakash,K. Kombaiah,K. Kaviyarasu,K. Kaviyarasu,L. John Kennedy,R. Jothi Ramalingam,Hamad A. Al-Lohedan,V M Mansoor-Ali,Malik Maaza,Malik Maaza +11 more
TL;DR: Green synthesis of silver nanoparticles (Ag NPs) using an extract of dried Zingiber officinale (ginger) root as a reducing and capping agent in the presence of microwave irradiation was herein reported for the first time.
Journal ArticleDOI
Green synthesis of silver nanoparticles with algae and the importance of capping agents in the process.
TL;DR: In this paper, a review article explains the different factors that should be considered for the effective synthesis of AgNPs using algae, which can help in modulating the stability and size of the nanoparticles, thereby improving its cost effectiveness and environment-friendly production.
Journal ArticleDOI
Antibacterial activity of silver nanoparticles synthesized from serine.
TL;DR: Antibacterial experiments showed that the prepared Ag NPs showed relatively similar antibacterial activities, when compared with AgNO3 against Gram-positive and Gram-negative bacteria.
Journal ArticleDOI
Simultaneous green synthesis and in-situ impregnation of silver nanoparticles into organic nanofibers by Lythrum salicaria extract: Morphological, thermal, antimicrobial and release properties.
TL;DR: This research suggested that the efficiency of CHNF and LCNF as immobilizing support of AgNPs is higher than CNF and L.salicaria extract was proposed as a high potential reducing and capping agent.
References
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Journal ArticleDOI
Shape-Controlled Synthesis of Gold and Silver Nanoparticles
Yugang Sun,Younan Xia +1 more
TL;DR: Monodisperse samples of silver nanocubes were synthesized in large quantities by reducing silver nitrate with ethylene glycol in the presence of poly(vinyl pyrrolidone) (PVP), characterized by a slightly truncated shape bounded by {100, {110}, and {111} facets.
Journal ArticleDOI
Monodisperse FePt Nanoparticles and Ferromagnetic FePt Nanocrystal Superlattices
TL;DR: Thermal annealing converts the internal particle structure from a chemically disordered face- centered cubic phase to the chemically ordered face-centered tetragonal phase and transforms the nanoparticle superlattices into ferromagnetic nanocrystal assemblies that can support high-density magnetization reversal transitions.
Journal ArticleDOI
Photophysical, photochemical and photocatalytic aspects of metal nanoparticles
TL;DR: In this article, a photoactive molecule (e.g., pyrene) is added to a metal nanoparticle to enhance the photochemical activity and render the organic−inorganic hybrid nanoassemblies suitable for light harvesting and optoelectronic applications.
Journal ArticleDOI
Extracellular biosynthesis of silver nanoparticles using the fungus Fusarium oxysporum
Absar Ahmad,Priyabrata Mukherjee,Satyajyoti Senapati,Deendayal Mandal,M. Islam Khan,Rajiv Kumar,Murali Sastry +6 more
TL;DR: It is observed that aqueous silver ions when exposed to the fungus Fusarium oxysporum are reduced in solution, thereby leading to the formation of an extremely stable silver hydrosol, creating the possibility of developing a rational, fungal-based method for the synthesis of nanomaterials over a range of chemical compositions, which is currently not possible by other microbe-based methods.