Facile aqueous-phase synthesis of Ag–Cu–Pt–Pd quadrometallic nanoparticles

Tang, Zengmin; Yeo, Byung Chul; Han, Sang Soo; Lee, Tae-Jin; Bhang, Suk Ho; Kim, Woo‐Sik; Yu, Taekyung

doi:10.1186/s40580-019-0208-z

Cited by 28 publications

(16 citation statements)

References 31 publications

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“…Recently, solid-state dewetting of Ag/Pt/ Au/Pd quadrometallic NPs on sapphire has been prepared successfully with tunable localized surface plasmon resonance [68]. Similarly, Ag/Cu/Pt/Pd quadrometallic NPs prepared by seed-mediated growth, where small Pt and Pd NPs were attached on the surface of AgCu Janus bimetallic NPs as seeds in an aqueous solution [69], and heterostructured Pt/Pd/Rh/Au tetrahexahedral multimetallic NPs were synthesized through alloying/dealloying with Bi in a tube furnace [70]. Moreover, to date, there has been no investigation into the antimicrobial properties of quadrometallic and multimetallic NPs.…”

Section: Quadrometallic Npsmentioning

confidence: 99%

Multimetallic Nanoparticles as Alternative Antimicrobial Agents: Challenges and Perspectives

Basavegowda

Baek

2021

Molecules

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Recently, infectious diseases caused by bacterial pathogens have become a major cause of morbidity and mortality globally due to their resistance to multiple antibiotics. This has triggered initiatives to develop novel, alternative antimicrobial materials, which solve the issue of infection with multidrug-resistant bacteria. Nanotechnology using nanoscale materials, especially multimetallic nanoparticles (NPs), has attracted interest because of the favorable physicochemical properties of these materials, including antibacterial properties and excellent biocompatibility. Multimetallic NPs, particularly those formed by more than two metals, exhibit rich electronic, optical, and magnetic properties. Multimetallic NP properties, including size and shape, zeta potential, and large surface area, facilitate their efficient interaction with bacterial cell membranes, thereby inducing disruption, reactive oxygen species production, protein dysfunction, DNA damage, and killing potentiated by the host’s immune system. In this review, we summarize research progress on the synergistic effect of multimetallic NPs as alternative antimicrobial agents for treating severe bacterial infections. We highlight recent promising innovations of multimetallic NPs that help overcome antimicrobial resistance. These include insights into their properties, mode of action, the development of synthetic methods, and combinatorial therapies using bi- and trimetallic NPs with other existing antimicrobial agents.

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Section: Quadrometallic Npsmentioning

confidence: 99%

Multimetallic Nanoparticles as Alternative Antimicrobial Agents: Challenges and Perspectives

Basavegowda

Baek

2021

Molecules

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“…To confirm the valency of Cu in Au–Cu heterostructures, X-ray photoelectron spectroscopy (XPS) measurements were carried out for the Au–Cu Janus structures in Figures f and d. As shown in Figure , the peaks at 932.3 and 952.3 eV can be assigned to the Cu 2p 3/2 and Cu 2p 1/2 of the Cu species in low valences, Cu and Cu + ion . And the peaks at 934.3 and 954.3 eV arise from the Cu 2p 3/2 and Cu 2p 1/2 of Cu 2+ ions.…”

Section: Results and Discussionmentioning

confidence: 99%

“…As shown in Figure 3, the peaks at 932.3 and 952.3 eV can be assigned to the Cu 2p 3/2 and Cu 2p 1/2 of the Cu species in low valences, Cu and Cu + ion. 47 And the peaks at 934.3 and 954.3 eV arise from the Cu 2p 3/2 and Cu 2p 1/2 of Cu 2+ ions. Considering the redox property of Cu metal, the observed Cu + and Cu 2+ peaks in XPS spectra should be due to the oxidation of the small quantity of Cu atoms on the surface of Cu domains during XPS sample preparation and measurements, which cannot be avoided completely in a normal ambient environment.…”

Section: Chemistry Of Materialsmentioning

confidence: 89%

Tuning Au–Cu Janus Structures through Strong Ligand-Mediated Interfacial Energy Control

Jia

et al. 2022

Chem. Mater.

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Bimetallic Janus structures are of great importance as their fantastic properties arise from the physical separation and the synergistic effects of the composed materials. Currently, the effective control of the Janus structure still remains a challenge compared to that of the conventional core−shell configuration and thus is highly desired. In this work, strong thiol ligands were used for tuning the interfacial energy between the Au seeds and the Cu deposit to induce the transformation of the Au−Cu core−shell to the asymmetric Janus structures. As a result of effective ligand control, a series of Au−Cu Janus structures using Au nanospheres, Au nanorods, and triangular Au nanoplates as seeds were successfully obtained. Most importantly, the Janus degree of the Au−Cu Janus structures can be readily tuned by varying the molecular structure and the amount of thiol ligands. We believe that the effective strong ligand-mediated interfacial energy control achieved in the Au−Cu system could tune bimetallic Janus structures with different metal−metal combinations, which would help in the precise control of bimetallic nanostructures. In addition, further exploration of the strong ligand control in multicomponent systems may open new doors toward the design and synthesis of sophisticated functional nanomaterials with promising properties.

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“…Galvanic replacement or displacement has emerged as one of the more commonly used methods for synthesizing both supported and unsupported multimetallic nanoparticles. − The method can be used to apply a third metal to a bimetallic NP system, resulting in core@shell or pseudo-core@shell structures as well as “nanorings” …”

Section: Preparation Of Trimetallic Catalystsmentioning

confidence: 99%

Heterogeneous Trimetallic Nanoparticles as Catalysts

et al. 2022

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The development and application of trimetallic nanoparticles continues to accelerate rapidly as a result of advances in materials design, synthetic control, and reaction characterization. Following the technological successes of multicomponent materials in automotive exhausts and photovoltaics, synergistic effects are now accessible through the careful preparation of multielement particles, presenting exciting opportunities in the field of catalysis. In this review, we explore the methods currently used in the design, synthesis, analysis, and application of trimetallic nanoparticles across both the experimental and computational realms and provide a critical perspective on the emergent field of trimetallic nanocatalysts. Trimetallic nanoparticles are typically supported on high-surface-area metal oxides for catalytic applications, synthesized via preparative conditions that are comparable to those applied for mono- and bimetallic nanoparticles. However, controlled elemental segregation and subsequent characterization remain challenging because of the heterogeneous nature of the systems. The multielement composition exhibits beneficial synergy for important oxidation, dehydrogenation, and hydrogenation reactions; in some cases, this is realized through higher selectivity, while activity improvements are also observed. However, challenges related to identifying and harnessing influential characteristics for maximum productivity remain. Computation provides support for the experimental endeavors, for example in electrocatalysis, and a clear need is identified for the marriage of simulation, with respect to both combinatorial element screening and optimal reaction design, to experiment in order to maximize productivity from this nascent field. Clear challenges remain with respect to identifying, making, and applying trimetallic catalysts efficiently, but the foundations are now visible, and the outlook is strong for this exciting chemical field.

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Facile aqueous-phase synthesis of Ag–Cu–Pt–Pd quadrometallic nanoparticles

Cited by 28 publications

References 31 publications

Multimetallic Nanoparticles as Alternative Antimicrobial Agents: Challenges and Perspectives

Multimetallic Nanoparticles as Alternative Antimicrobial Agents: Challenges and Perspectives

Tuning Au–Cu Janus Structures through Strong Ligand-Mediated Interfacial Energy Control

Heterogeneous Trimetallic Nanoparticles as Catalysts

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