Synthesis of nanosilver colloidal particles in water/oil microemulsion

Zhang, Wanzhong; Qiao, Xueliang; Chen, Jianguo

doi:10.1016/j.colsurfa.2006.11.012

Cited by 112 publications

(68 citation statements)

References 29 publications

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“…Common reducing agents include sodium borohydride (NaBH 4 ) [13][14][15][16][17], hydrazine (N 2 H 4 ) [13,[18][19][20], glucose [15] and quercetin [21]. The strength and solubility of the reducing agents 4 have significant impact on the size and dispersity of the synthesized AgNPs.…”

Section: Introductionmentioning

confidence: 99%

A facile synthesis of high optical quality silver nanoparticles by ascorbic acid reduction in reverse micelles at room temperature

Singha

Barman

Sahu

2014

Journal of Colloid and Interface Science

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Section: Introductionmentioning

confidence: 99%

A facile synthesis of high optical quality silver nanoparticles by ascorbic acid reduction in reverse micelles at room temperature

Singha

Barman

Sahu

2014

Journal of Colloid and Interface Science

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“…However, laser ablation can be used to synthesize AgNPs in solution [18]. In addition, AgNPs can be prepared by chemical reduction, such as microemulsion techniques [19], UV-initiated photo reduction [20], photo induced reduction [21], electrochemical synthetic methods [22], irradiation methods [23] and microwave-assisted synthesis [24]. In a biosynthesis method, AgNPs have been synthesized using bacteria [25], fungi [26], algae [27] and plants [28] [29].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Silver Nanoparticles and Their Use in Catalytic Reduction of 4-Nitrophenol

Al-Marhaby¹,

Seoudi²

2016

WJNSE

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Silver nanoparticles of various sizes were prepared at room temperature using silver nitrate as a precursor, various molar ratios of sodium citrate as a surfactant stabilizing material and sodium borohydride as a reducing agent. The morphology, distribution and sphericity of the particles were assessed in images from a transmission electron microscope (TEM). The sizes of the particles were calculated as being 9, 11 and 14 nm. The effects of the particles' sizes on the plasmon bands were confirmed by ultraviolet-visible spectra measurements. The prepared samples were applied in photo catalysis of 4-Nitrophenol (4-NP), and the rate constant was determined as 0.05 s −1 , 0.0015 s −1 and 0.00021 s −1 for particles of 9 nm, 11 nm and 14 nm, respectively. Due to their high surface energy, the smaller particle sizes were more active in the photo catalytic application.

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“…At low amount of water, the tightly packed water molecule surrounded by surfactant molecules results in the production of more stabilized and monodispersed as well as smaller catalyst particles. This means that for the synthesis of catalysts having a smaller size, amount of water in the microemulsion should be reduced [36][37][38]. This effect was studied by Wongwailikhit and Horwongsakul.…”

Section: Concentration Of Watermentioning

confidence: 99%

Microemulsion Route for the Synthesis of Nano-Structured Catalytic Materials

Hussain¹,

Batool²

2017

Properties and Uses of Microemulsions

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Owing to their unique properties, use of microemulsion-based synthetic techniques for the generation of shape-controlled nanocatalyst is an area of great current interest. Nanocatalysts of any specific shape, morphology, surface area, size, geometry, homogeneity and composition are widely being prepared using the soft techniques of microemulsion. Easy handling, inexpensive equipment and mild reaction conditions make microemulsion an attractive reaction medium. Herein, a nanosized precursor reactant can be incorporated, leading to the formulation of a highly monodispersed metal nanoagglomerate with controlled size, shape and composition. Several factors such as presence of electrolyte, molar ratio of water to surfactant, nature and concentration of surfactant and solvent, size of water droplets and concentration of reducing agents influence the size of the nanoparticles. The reverse micelle method can be used for the fabrication of several nanosized catalysts with a diverse variety of suitable materials including silica, alumina, metals (e.g. Au, Pd, Rh, Pt), metal oxides, etc. The morphology, size distribution and shape of the nanocatalysts make them useable for a wide range of applications, for example, fuel cells, electrocatalysis, photocatalysis, environmental protection, etc. The recovery of nanoparticles from the reaction mixture is a challenge for the researchers. This chapter discusses the preparation of nanoparticles using microemulsion techniques, widely being used for the synthesis of nanocatalysts from a wide range of materials.

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Synthesis of nanosilver colloidal particles in water/oil microemulsion

Cited by 112 publications

References 29 publications

A facile synthesis of high optical quality silver nanoparticles by ascorbic acid reduction in reverse micelles at room temperature

A facile synthesis of high optical quality silver nanoparticles by ascorbic acid reduction in reverse micelles at room temperature

Preparation and Characterization of Silver Nanoparticles and Their Use in Catalytic Reduction of 4-Nitrophenol

Microemulsion Route for the Synthesis of Nano-Structured Catalytic Materials

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