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Search for "chemical reduction" in Full Text gives 52 result(s) in Beilstein Journal of Nanotechnology.
Effect of additives on the synthesis efficiency of nanoparticles by laser-induced reduction
Beilstein J. Nanotechnol. 2025, 16, 464–472, doi:10.3762/bjnano.16.35
- including electrode materials [1], conductive pastes [2][3], catalysts [4][5], sensors [6][7][8], and drug delivery systems [9]. The chemical reduction [10] and the solvothermal methods [11][12] are well known for synthesizing nanoparticles in large quantities at low cost, but these methods require the use
- water electrolysis catalyst than IrO2 [32]. The combination and composition of elements are important to achieve superior properties to those of pure metal nanoparticles. The typical method for nanoparticles synthesis such as chemical reduction with thermal equilibrium reaction is basically limited to
Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol
Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124
- purification. Before the experiment, glassware was cleaned with aqua regia and rinsed twice with double distilled (DD) water. Methods Tunable plasmonic silver nanoparticle synthesis using ʟ-carnosine Silver nanoparticles with tunable plasmon wavelength were synthesized using a wet-chemical reduction approach
- -chemical reduction approach. The precursor metal salt was reduced in the presence of the stabilizing or capping agent. Figure 1 shows a schematic representation of the ʟ-car-AgNP synthesis. The sample ʟ-car-AgNP1 was synthesized at room temperature by sequentially mixing water, NaOH, ʟ-carnosine, AgNO3
Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti
Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123
- chemical reduction of metal ions through biological compounds can be used to synthesize non-toxic and environmentally safe “green” insecticide alternatives in the form of metal-based nanoparticles [15]. A promising option are silver nanoparticles (AgNPs) obtained through synthesis from natural extracts
Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol
Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106
- synthesized using wet chemical reduction, as shown in Figure 1a. A unique feature of CTAB is its robust and selective binding to certain crystal facets of metal surfaces that define the growth and nucleation of nanoparticles. CTAB on metal surfaces plays a key role in nanoparticle stabilization but hinders
Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites
Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99
- physicochemical properties and diverse potential chemical applications [1][2][3]. The conventional synthesis of AuNPs typically involves the chemical reduction of Au3+ ions using various reducing agents and stabilizers [4][5]. However, many of these chemicals are highly reactive, posing risks to both the
Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP
Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86
- used across various scientific and technological fields due to their distinctive optical, physical, and chemical properties. Over the past few decades, different methods have been developed for NP synthesis, including chemical reduction, electrochemistry, atomic layer deposition, laser ablation
Exploring surface charge dynamics: implications for AFM height measurements in 2D materials
Beilstein J. Nanotechnol. 2024, 15, 767–780, doi:10.3762/bjnano.15.64
- ethanol and MQ water. Subsequently, the substrate was exposed to UV/ozone for 15 min to eliminate organic contaminants and promote the hydrophilicity of the SiO2 surface. GO (Graphenea), was employed without further treatment, while rGO was obtained through chemical reduction using hydrazine hydrate (50
Potential of a deep eutectic solvent in silver nanoparticle fabrication for antibiotic residue detection
Beilstein J. Nanotechnol. 2024, 15, 426–434, doi:10.3762/bjnano.15.38
- In this study, we have proposed a novel strategy for Ag NP synthesis in a DES composed of ᴅ-glucose, glycerol, and urea. The Ag NPs-DES sample was prepared successfully through chemical reduction, in which DES acts as solvent and shape-controlling agent. Using NFT and SDZ as probe molecules, the SERS
New application of bimetallic Ag/Pt nanoplates in a colorimetric biosensor for specific detection of E. coli in water
Beilstein J. Nanotechnol. 2024, 15, 95–103, doi:10.3762/bjnano.15.9
- /Pt NPLs A modified chemical reduction method was used to create Ag NPLs [26][38]. The aqueous solution synthesis of Ag-Pt NPL is described below. To begin, 50 L of 0.05 M AgNO3 aqueous solution was mixed with 10 mL of 2.5 × 10−4 M sodium citrate aqueous solution. After that, 25 µL of 0.1 M ascorbic
In situ magnesiothermic reduction synthesis of a Ge@C composite for high-performance lithium-ion batterie anodes
Beilstein J. Nanotechnol. 2023, 14, 751–761, doi:10.3762/bjnano.14.62
- preparation routes, such as sputtering deposition [20], wet-chemical reduction [21][22], thermal reduction [23], colloidal synthesis [24], and molten-salt synthesis [25], metallothermic, especially magnesiothermic reduction, has been widely applied in the synthesis of group-IV elements to control the
New trends in nanobiotechnology
Beilstein J. Nanotechnol. 2023, 14, 377–379, doi:10.3762/bjnano.14.32
- -assembly; wet chemical reduction; The widespread use of nanotechnology has reached almost every sector in our daily lives and amazed the world by offering various potential applications in these sectors. The uprising wave of nanotechnology and its application are now prominent in the fields of chemistry
- morphology, yield and monodispersity. The introduction of a deep eutectic solvent as a cost-effective and green solvent was reviewed, where the usage of these solvents enabled the extraction and formation of desired nanostructures. The work also records the advantages and disadvantages of wet chemical
- reduction methods which use surfactants, and explores the in vitro and in vivo cytotoxicity of the synthesized anisotropic nanoparticles. A portion of the work looks into the possible integration of nanotechnology in deep eutectic solvent extractions and also the use of carrageenan as a safe stabilizing
Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating
Beilstein J. Nanotechnol. 2023, 14, 95–109, doi:10.3762/bjnano.14.11
- difficult to implement and tend to cause NP self-aggregation. In situ methods are therefore generally preferred and typically require the polymer film surface to be treated with a metal precursor solution (layer-by-layer [37][38], sol–gel [39]) before undergoing thermal [40] or chemical reduction reactions
- coupling between the in situ chemical reduction of metallic precursors and photopolymerization of acrylic monomers ensures a depth-wise MNP distribution inside the cross-linked network, which prevents possible leaching processes. Based on these results, we investigated the antimicrobial properties (liquid
Reliable fabrication of transparent conducting films by cascade centrifugation and Langmuir–Blodgett deposition of electrochemically exfoliated graphene
Beilstein J. Nanotechnol. 2022, 13, 666–674, doi:10.3762/bjnano.13.58
- ) [3][4][5][6][7], epitaxial growth on different substrates [8][9], and the chemical reduction of graphene oxide (GO) [10][11]. In 2008, production of graphene by liquid-phase exfoliation (LPE) of graphite through sonication of graphite powder in N-methylpyrrolidone (NMP) was first proposed by Coleman
Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review
Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40
- metal NPs with ZnO. Au–ZnO core–shell NPs were obtained by preparing first AuNPs by chemical reduction and then fabricating Au–ZnO NPs by a seed growth method [51][54]. A higher enhancement in the Raman signal of p-aminothiophenol molecules was obtained using the Au–ZnO NPs compared to using Au NPs
- –shell metal–ZnO nanocomposites have shown new exciting properties and even metal-enhanced fluorescence for dyes mixed with the NPs. [20] demonstrated MEF for Ag–ZnO using rhodamine 6G (R6G), prepared through a simple chemical reduction method and deposition of the nanoscale ZnO layer on the surface of
Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review
Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7
- in recent years. There are many methods for controlling and removing NOx, such as reducing the burning temperature, reducing the residence time at peak temperature, chemical reduction or oxidation of NOx, removal of nitrogen from combustion fuels, and sorption, both adsorption and absorption [7][8
Sputtering onto liquids: a critical review
Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2
The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles
Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69
- creating a nontoxic platform for synthesizing nanomaterials with the potential for biological applications. Wet chemical reduction method using surfactants: pros and cons The widely used wet chemical approach for synthesizing nanomaterials is a facile reduction method involving a precursor metal salt and a
Surface-enhanced Raman scattering of water in aqueous dispersions of silver nanoparticles
Beilstein J. Nanotechnol. 2021, 12, 497–506, doi:10.3762/bjnano.12.40
- synthesized via simple chemical reduction of silver nitrate with sodium borohydride [36]. The volume added of potassium bromide during the synthesis was crucial for the size control of AgNPs. The sample without added KBr turned blue and the ample with 40 µL of the added KBr turned yellow. The synthesized
A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures
Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9
- processes [143][144][145][146], conventional chemical reduction [147][148][149][150][151], reverse micelle [152][153][154], co-precipitation [155], chemical vapor deposition [156][157][158], solvothermal [159][160][161], and electrochemical reduction [162][163][164][165]. Chemical synthesis methods are
- synthesis Chemical reduction, or conventional chemical synthesis, is the most common approach for the synthesis of AgNPs [214]. This is performed by the presence of a metal precursor such as AgNO3, a reducing agent such as hydrazine, sodium borohydride, ethylene glycol, or dimethylformamide (DMF) as well as
- size distribution and morphology [241]. The disadvantages of this method are associated with the high process cost, complexity, and low scale-up capability [158]. 2.2.4 Wet chemical synthesis. Currently, most synthesis methods still rely on wet chemical reduction using a chemical reducing agent. The
Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action
Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129
- conditions, the size, length, and diameter of the nanostructures can be adjusted in order to control the physical properties of the NPs. Chemical methods A few examples of chemical methods that have been used to synthesize nanoparticles are the atomic layer deposition method, chemical reduction method
- diameters ranging between 80 and 180 nm and length values that can reach several tens of micrometers. The chemical reduction method was initially proposed by Michael Faraday in 1856–1857 while investigating the properties of colloidal gold. This method generally uses a precursor, a reducing agent, and a
Simple synthesis of nanosheets of rGO and nitrogenated rGO
Beilstein J. Nanotechnol. 2020, 11, 68–75, doi:10.3762/bjnano.11.7
- ], solvothermal [16], hydrothermal synthesis [17], laser reduction of graphite oxide [18][19], and photo thermal deoxygenation of graphene oxide by camera flash have been developed to reduce the oxygen content of GO in order to restore the conjugated network [20]. Recently, a well-known chemical reduction method
Ternary nanocomposites of reduced graphene oxide, polyaniline and hexaniobate: hierarchical architecture and high polaron formation
Beilstein J. Nanotechnol. 2018, 9, 2936–2946, doi:10.3762/bjnano.9.272
- hexagonal carbon lattice (removal of functional groups) may be required and this process is performed by thermal or chemical reduction of GO, resulting in reduced graphene oxide (rGO) in which some of the properties of graphene are almost recovered, such as mechanical resistance and thermal and electrical
- sonication (less than 10 μm) [34][35][42][43][44][67]. Reduced graphene oxide was prepared by chemical reduction of GO in 0.25 mg·mL−1 dispersions with hydrazine and ammonia solution at 25 °C for 7 days. The resulting rGO dispersion presents suitable stability for the preparation of the nanocomposites. This
Synthesis of rare-earth metal and rare-earth metal-fluoride nanoparticles in ionic liquids and propylene carbonate
Beilstein J. Nanotechnol. 2018, 9, 1881–1894, doi:10.3762/bjnano.9.180
- rare-earth metal ions (typically below −2.0 V vs NHE) cause much difficulties regarding the chemical reduction of any chosen precursor and the prevention of post-synthesis oxidation or contamination of the RE-NPs. Recently, Alivisatos and co-authors reported on the synthesis of Pt3Y and other so-called
A visible-light-controlled platform for prolonged drug release based on Ag-doped TiO2 nanotubes with a hydrophobic layer
Beilstein J. Nanotechnol. 2018, 9, 1793–1801, doi:10.3762/bjnano.9.170
- air atmosphere to form anatase phase. Decoration with Ag nanoparticles Chemical reduction was applied to decorate the nanotubes with Ag nanoparticles (AgNPs). The annealed TNTs were soaked in 4 mL 200 mM AgNO3 for 50 min in darkness and then dipped in 6 mL 5 mM NaBH4 for another 50 min. The resulting
Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction
Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137
- industrial processes pose threat to aquatic life and downstream users. Various treatment techniques, such as chemical reduction, ion exchange, bacterial degradation, adsorption and photocatalysis, have been exploited for remediation of Cr(VI) from wastewater. Among these, photocatalysis has recently gained
- pollutants and has mandated a maximum acceptable concentration of 50 μg L−1 in potable water [13][14][15]. Therefore, it is now of great importance to explore the efficient and economical ways for the treatment of Cr(VI)-rich wastewater. Various techniques, such as chemical reduction, ion exchange, bacterial
- degradation and adsorption, have been exploited to treat Cr(VI) [16][17][18][19]. Among these technologies, chemical reduction has extensively been investigated because it involves conversion of toxic Cr(VI) species to less toxic Cr(III) ions, which are precipitated as green precipitates of Cr(OH)3 in neutral
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