Synthesis of NPs by Microemulsion Method

Cid, Antonio

doi:10.5772/intechopen.80633

Cited by 9 publications

(3 citation statements)

References 34 publications

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“…The mixture forms small droplets that contain the metal ions. When droplets are heated, metal ions precipitate out of the solution and form nanoparticles [25]. • Solvothermal/hydrothermal synthesis: This reaction involves heating a solution of metal ions in water or an organic solvent under high pressure.…”

Section: Traditional Nanoparticle Synthesis Methodsmentioning

confidence: 99%

Green Synthesis of Nanoparticles: A Biological Approach

Álvarez-Chimal,

Ángel Arenas-Alatorre

2023

Green Chemistry for Environmental Sustainability - Prevention-Assurance-Sustainability (P-a-S) Approach

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Nanoparticles are often associated with their small size and numerous applications. However, the synthesis process is equally important as it determines the size and properties of the nanoparticles. While traditional nanoparticle synthesis methods require the use of hazardous chemicals and high-energy consumption, green synthesis offers a sustainable, cost-effective, and environmentally friendly alternative. This approach utilizes natural resources and biologically active compounds that can act as reducing, stabilizing, or capping agents in the one-step synthesis of nanoparticles. Green synthesis offers numerous advantages, including the development of processes with minimal environmental impact and improved safety for nanoparticle synthesis. Overall, the synthesis of nanoparticles using green chemistry is a promising approach for sustainable and efficient production. This chapter provides a general overview of nanoparticles, their applications, and green synthesis, and highlights the various biological resources used in these processes and the factors affecting their synthesis.

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Section: Traditional Nanoparticle Synthesis Methodsmentioning

confidence: 99%

Green Synthesis of Nanoparticles: A Biological Approach

Álvarez-Chimal,

Ángel Arenas-Alatorre

2023

Green Chemistry for Environmental Sustainability - Prevention-Assurance-Sustainability (P-a-S) Approach

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“…This fluid is then injected into the reservoir, leading to the formation of a water-in-oil microemulsion. Consequently, the most commonly employed method for in-situ nanoparticle synthesis is the microemulsion method (Figure 1), known for its effectiveness in controlled nanoparticle synthesis [37].…”

Section: In-situ Synthesized Of Nanoparticles For Eor Applicationmentioning

confidence: 99%

In-Situ Synthesis of Nanoparticles for Enhanced Oil Recovery (EOR) Operations: Current Status and Future Prospects

Gharibshahi,

Mehrooz,

Jafari

2024

Innovations in Enhanced and Improved Oil Recovery - New Advances

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In-situ method synthesizes nanomaterials under reservoir conditions, harnessing the reservoir’s energy. It offers several advantages over the alternative process of synthesizing these particles outside the reservoir and subsequently injecting them into the porous medium. This study provides an overview of the fundamentals, effective parameters, and mechanisms of this in-situ synthesis method. A comparison between in-situ and ex-situ synthesis of nanoparticles is presented, along with a discussion of their respective advantages and disadvantages. The impact of in-situ synthesis of nanoparticles on oil production and crude oil upgrading is thoroughly examined. It was observed that in-situ synthesis of nanoparticles leads to a uniform distribution of nanoparticles within the reservoir, thereby reducing issues related to formation damage. Furthermore, in-situ synthesized nanoparticles exhibit a superior ability to reduce the viscosity of crude oil, increase the API gravity, absorb asphaltenes, and enhance the oil recovery factor compared to the ex-situ synthesis method.

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“…Microemulsions have some particularly useful properties such as high stability, extremely small droplet size (internal structure), and a specific structure (e.g., spherical) [21,22,33]. In addition, the size and shape of droplets can be controlled by varying the constituents [21,37]. Through these, microemulsions have become a promising medium for the size-controlled synthesis of colloidal particles [21,33].…”

Section: Introductionmentioning

confidence: 99%

A Review of The Lesser-Studied Microemulsion-Based Synthesis Methodologies Used for Preparing Nanoparticle Systems of The Noble Metals, Os, Re, Ir and Rh

2019

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This review focuses on the recent advances in the lesser-studied microemulsion synthesis methodologies of the following noble metal colloid systems (i.e., Os, Re, Ir, and Rh) using either a normal or reverse micelle templating system. The aim is to demonstrate the utility and potential of using this microemulsion-based approach to synthesize these noble metal nanoparticle systems. Firstly, some fundamentals and important factors of the microemulsion synthesis methodology are introduced. Afterward, a review of the investigations on the microemulsion syntheses of Os, Re, Ir, and Rh nanoparticle (NP) systems (in all forms, viz., metallic, oxide, mixed-metal, and discrete molecular complexes) is presented for work published in the last ten years. The chosen noble metals are traditionally very reactive in nanosized dimensions and have a strong tendency to aggregate when prepared via other methods. Also, the particle size and particle size distribution of these colloids can have a significant impact on their catalytic performance. It is shown that the microemulsion approach has the capability to better stabilize these metal colloids and can control the size of the synthesized NPs. This generally leads to smaller particles and higher catalytic activity when they are tested in applications.

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Synthesis of NPs by Microemulsion Method

Cited by 9 publications

References 34 publications

Green Synthesis of Nanoparticles: A Biological Approach

Green Synthesis of Nanoparticles: A Biological Approach

In-Situ Synthesis of Nanoparticles for Enhanced Oil Recovery (EOR) Operations: Current Status and Future Prospects

A Review of The Lesser-Studied Microemulsion-Based Synthesis Methodologies Used for Preparing Nanoparticle Systems of The Noble Metals, Os, Re, Ir and Rh

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