Large-scale and size-controlled synthesis of silver nanoparticles under microwave irradiation

Yin, Hengbo; Yamamoto, Tetsushi; Wada, Yuji; Yanagida, Shozo

doi:10.1016/j.matchemphys.2003.09.006

Cited by 229 publications

(109 citation statements)

References 14 publications

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“…It is found in various applications, such as catalysis, electronics, non-linear optics, antimicrobial and biomaterial applications [8] . Several methods have been reported for the synthesis of Ag-NPs, e.g., photochemical reduction [9] , microwave [10] , chemical reduction [11] , γ-irradiation [12] . In this study, we report the synthesis of Ag/MMT/Cts BNCs by UV-irradiation method at different irradiation times.…”

Section: Duementioning

confidence: 99%

Synthesis and Characterization of Silver/Clay/Chitosan Bionanocomposites by UV-Irradiation Method

Ahmad

Shameli

Darroudi

et al. 2009

American Journal of Applied Sciences

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Problem statement: Silver/Montmorillonite/Chitosan Bionanocomposites (Ag/MMT/Cts BNCs) have been synthesized by UV-irradiation reduction method in the absence of any reducing agent or heat treatment which is used to antibacterial application and medical devices. Approach: MMT, Chitosan and AgNO 3 were used as a solid support, stabilizer and silver precursor, respectively. The properties of Ag/MMT/Cts BNCs were studied as a function of UV-irradiation times. The crystalline structure, d-spacing of interlayer of MMT, the size distributions and surface plasmon resonance of synthesized silver nanoparticles (Ag-NPs) were characterized using Powder X-Ray Diffraction (PXRD), Transmission Electron Microscopy (TEM) and UV-vis spectroscopy. The functional groups of prepared BNCs were also determined by Fourier Transform Infrared (FT-IR). Results: The results obtained from UV-vis spectroscopy of synthesized Ag-NPs showed that the intensity of the maximum wavelength of the plasmon peaks were increased with the increasing in the UV-irradiation times. Results from UV-visible spectroscopy and Transmission Electron Microscopy (TEM) microphotographs show that particles size of Ag-NPs decrease with the increase of UV-irradiation time. Conclusion: UV-irradiation disintegrated the Ag-NPs into smaller size until a relatively stable size and size distribution were achieved. Ag/MMT/Cts BNCs could be suitable to antimicrobial applications and medical devices.

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Section: Duementioning

confidence: 99%

Synthesis and Characterization of Silver/Clay/Chitosan Bionanocomposites by UV-Irradiation Method

Ahmad

Shameli

Darroudi

et al. 2009

American Journal of Applied Sciences

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“…The second physical method involves radiation techniques such as ultrasound irradiation, c-radiation, and microwave irradiation (Jiang et al 2004;Yoksan and Chirachanchai 2009;Pal et al 2009). The third method involves prolonged heating of silver ions in solution in presence of weak reducing agents such as ascorbic acid, sodium citrate, and glucose (Lee et al 2004;Yin et al 2004;Yu and Yam 2004). Most of these methods involve the utilization of harsh reducing agents, capping agents, and organic solvents (Jana and Peng 2003;Qu et al 2006;Roldan et al 2008), which are carcinogenic, and these factors should be considered expensive from an economic and ''green'' chemistry perspective.…”

Section: Introductionmentioning

confidence: 99%

Eco-friendly green synthesis of silver nanoparticles using salmalia malabarica: synthesis, characterization, antimicrobial, and catalytic activity studies

et al. 2015

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An economically viable and ''green'' process has been developed for the synthesis of silver nanoparticles (AgNPs) with an average size of 7 nm using non-toxic and renewable salmalia malabarica gum (SMG) as reducing and capping agent without using any chemical reducing agent. The effect of various parameters such as concentration of SMG and silver nitrate and reaction time for the synthesis of AgNPs was studied. The synthesized AgNPs are systematically characterized by UV/Vis spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction and Transmission electron microscopy. The resultant SMG-capped AgNPs are highly stable and had significant antibacterial action on both Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The catalytic action of the SMG-capped AgNPs to initiate the reduction of 4-nitrophenol (4-NP) in the presence of NaBH 4 has also been reported. The kinetics of the reaction was found to be of pseudo-first-order with respect to the 4-NP.

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“…The primary challenge in this focal area is the maximization of the usage of environmental friendly materials in the generation of metal nanoparticles. Various chemical and physical methods have been employed to prepare silver nanoparticles with different sizes and shapes, such as UV irradiation, 1,2 microware irradiation, 3,4 chemical reduction, [5][6][7] photochemical method, 8,9 electron irradiation, 10,11 and sonoelectrochemical method. 12 However, most of the reported methods involve more than one step, high energy requirement, low material conversions, difficulty in purification, and hazardous chemicals.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of silver nanoparticles by using tea leaf extract from Camellia Sinensis

Loo¹,

Chieng²,

Nishibuchi³

et al. 2012

IJN

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Abstract:The development of the biological synthesis of nanoparticles using microorganisms or plant extracts plays an important role in the field of nanotechnology as it is environmentally friendly and does not involve any harmful chemicals. In this study, the synthesis of silver nanoparticles using the leaves extract of Chinese tea from Camellia sinensis is reported. The synthesized nanoparticles were characterized using UV-vis spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), and Fourier transform infrared (FTIR) spectroscopy. The XRD analysis shows that the synthesized silver nanoparticles are of facecentered cubic structure. Well-dispersed silver nanoparticles with an approximate size of 4 nm were observed in the TEM image. The application of the green synthesized nanoparticles can be used in many fields such as cosmetics, foods, and medicine.

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Large-scale and size-controlled synthesis of silver nanoparticles under microwave irradiation

Cited by 229 publications

References 14 publications

Synthesis and Characterization of Silver/Clay/Chitosan Bionanocomposites by UV-Irradiation Method

Synthesis and Characterization of Silver/Clay/Chitosan Bionanocomposites by UV-Irradiation Method

Eco-friendly green synthesis of silver nanoparticles using salmalia malabarica: synthesis, characterization, antimicrobial, and catalytic activity studies

Synthesis of silver nanoparticles by using tea leaf extract from Camellia Sinensis

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