The Effect of pH on the Size of Silver Nanoparticles Obtained in the Reduction Reaction with Citric and Malic Acids

Marciniak, Łukasz; Nowak, Martyna; Trojanowska, Anna; Tylkowski, Bartosz; Jastrząb, Renata

doi:10.3390/ma13235444

Cited by 73 publications

(37 citation statements)

References 36 publications

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Section: Synthesis Of Gold and Silver Nanoparticles Under Uv Light Irradiationmentioning

confidence: 99%

“…The pH of the reaction medium plays an important role in controlling the size of Ag NPs [ 125 , 126 ]. Thus far, the formation of Ag NPs under UV irradiation has been limited to a narrow pH range [ 125 ]. Some studies suggest that the Ag NP size tends to decrease in alkaline media due to the rapid nucleation, while acidic media results in larger Ag NPs since the reaction rate is slower [ 127 , 128 ].…”

Section: Synthesis Of Gold and Silver Nanoparticles Under Uv Light Irradiationmentioning

confidence: 99%

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Photochemical Synthesis of Gold and Silver Nanoparticles—A Review

et al. 2021

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Nanomaterials have supported important technological advances due to their unique properties and their applicability in various fields, such as biomedicine, catalysis, environment, energy, and electronics. This has triggered a tremendous increase in their demand. In turn, materials scientists have sought facile methods to produce nanomaterials of desired features, i.e., morphology, composition, colloidal stability, and surface chemistry, as these determine the targeted application. The advent of photoprocesses has enabled the easy, fast, scalable, and cost- and energy-effective production of metallic nanoparticles of controlled properties without the use of harmful reagents or sophisticated equipment. Herein, we overview the synthesis of gold and silver nanoparticles via photochemical routes. We extensively discuss the effect of varying the experimental parameters, such as the pH, exposure time, and source of irradiation, the use or not of reductants and surfactants, reagents’ nature and concentration, on the outcomes of these noble nanoparticles, namely, their size, shape, and colloidal stability. The hypothetical mechanisms that govern these green processes are discussed whenever available. Finally, we mention their applications and insights for future developments.

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Section: Synthesis Of Gold and Silver Nanoparticles Under Uv Light Irradiationmentioning

confidence: 99%

Section: Synthesis Of Gold and Silver Nanoparticles Under Uv Light Irradiationmentioning

confidence: 99%

Photochemical Synthesis of Gold and Silver Nanoparticles—A Review

et al. 2021

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“…For production of Ag and Au, the adjustment in reaction conditions, for example, pH, will prompt a difference in balance conditions. For this situation, the more acidic the pH turns, the less the reduction reaction is supported [ 28 ]. Accordingly, by expanding the grouping of H + (decreasing the pH value), the half-response reaction is encouraged.…”

Section: Classification Of Nanostructuresmentioning

confidence: 99%

Nanomaterials for Biomedical Applications: Production, Characterisations, Recent Trends and Difficulties

et al. 2021

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Designing of nanomaterials has now become a top-priority research goal with a view to developing specific applications in the biomedical fields. In fact, the recent trends in the literature show that there is a lack of in-depth reviews that specifically highlight the current knowledge based on the design and production of nanomaterials. Considerations of size, shape, surface charge and microstructures are important factors in this regard as they affect the performance of nanoparticles (NPs). These parameters are also found to be dependent on their synthesis methods. The characterisation techniques that have been used for the investigation of these nanomaterials are relatively different in their concepts, sample preparation methods and obtained results. Consequently, this review article aims to carry out an in-depth discussion on the recent trends on nanomaterials for biomedical engineering, with a particular emphasis on the choices of the nanomaterials, preparation methods/instruments and characterisations techniques used for designing of nanomaterials. Key applications of these nanomaterials, such as tissue regeneration, medication delivery and wound healing, are also discussed briefly. Covering this knowledge gap will result in a better understanding of the role of nanomaterial design and subsequent larger-scale applications in terms of both its potential and difficulties.

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“…Phorate is hydrolyzed at high pH >8 but remains stable at low pH. 34 The effect of hydrolyzed products 35,36 of these pesticides on the stabilization of silver nanoparticles is unknown and requires further investigation.…”

Section: Effect In Phmentioning

confidence: 99%