Mass Spectrometric Detection of Charged Silver Nanoclusters with Hydrogen Inclusions Formed by the Reduction of AgNO3 in Ethylene Glycol

Boryak, Oleg A.; Kosevich, M. V.; Chagovets, Vitalij V.; Shelkovsky, V. S.

doi:10.1134/s1061934817130032

Cited by 5 publications

(1 citation statement)

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“…The D 2d point-group symmetry cluster, akin to that reported by Fournier [ 34 ] as one of the most stable Ag 8 isomers, was obtained via optimization at the aforementioned level of theory. Charged clusters of similar size and size distributions, obtained via reduction of AgNO 3 , have been reported elsewhere in the literature [ 35 ]. In addition, it is highly likely that neutral AgNPs containing even-numbered silver atoms are formed during synthesis due to the strong reducing conditions [ 36 ].…”

Section: Methodsmentioning

confidence: 71%

Amphiphilic Silver Nanoparticles for Inkjet-Printable Conductive Inks

et al. 2022

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The large-scale manufacturing of flexible electronics is nowadays based on inkjet printing technology using specially formulated conductive inks, but achieving adequate wetting of different surfaces remains a challenge. In this work, the development of a silver nanoparticle-based functional ink for printing on flexible paper and plastic substrates is demonstrated. Amphiphilic silver nanoparticles with narrow particle size distribution and good dispersibility were prepared via a two-step wet chemical synthesis procedure. First, silver nanoparticles capped with poly(acrylic acid) were prepared, followed by an amidation reaction with 3-morpholynopropylamine (MPA) to increase their lipophilicity. Density functional theory (DFT) calculations were performed to study the interactions between the particles and the dispersion medium in detail. The amphiphilic nanoparticles were dispersed in solvents of different polarity and their physicochemical and rheological properties were determined. A stable ink containing 10 wt% amphiphilic silver nanoparticles was formulated and inkjet-printed on different surfaces, followed by intense pulsed light (IPL) sintering. Low sheet resistances of 3.85 Ω sq–1, 0.57 Ω sq–1 and 19.7 Ω sq–1 were obtained for the paper, coated poly(ethylene terephthalate) (PET) and uncoated polyimide (PI) flexible substrates, respectively. Application of the nanoparticle ink for printed electronics was demonstrated via a simple flexible LED circuit.

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Section: Methodsmentioning

confidence: 71%

Amphiphilic Silver Nanoparticles for Inkjet-Printable Conductive Inks

et al. 2022

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Photoinitiated Charge Transfer in a Triangular Silver(I) Hydride Complex and Its Oxophilicity

Kruppa

Groß

Gui

et al. 2019

Chemistry A European J

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What prompted you to investigate this system?In our collaborative research center "3MET"w ea re fascinated by metal-metal interactions, which determine the photo-physical/ chemical properties of molecular transition metal complexes and are hitherto not fully understood. Inspired by previous studies on multinuclear silver hydrides and our work on bimetallic phosphinestabilized compounds, we extended the nuclearity by designing a trimetallic system that allows for direct optical excitation of a metal-centered chromophore. What was the inspiration for this cover design?In order to emphasize the UV-induced electron transfer within the [Ag 3 H] scaffold, we chose acomic style illustration which highlights the resulting enforcement of argentophilic interaction within the metal core. Having in mind the explorative spirit of the scientific field of metal complexes and its search for new frontiers, we imagined the vast expanses of the universe. Finally,i na nh omage to the 1980s film "Tron", we attempted to illustrate the abstract inner workings of aC PU running complex quantum chemical algorithms. Does the research open other avenues that you would like to investigate?One aspect of the study which surprised us is the seemingly high reactivity of odd-electron silver hydride molecular ions towards dioxygen. Consequently,w ea re very curious about their molecular/ electronic structure, envisioning their gas phase spectroscopic and theoretical characterization. We plan to probe how different ligands and other metal centers control optical properties and photoreactivity of metal hydrides also gearing towards their luminescence and ultrafast electronic dynamics in both gas phase and solution.Invited for the cover of this issue aret he research groups of Rolf Diller,G ereon Niedner-Schatteburg, Christoph Riehn and Werner R. Thiel from the TU Kaiserslautern (TUK) and the group of Wim Klopper of the KarlsruheI nstitute of Technology (KIT) collaborating within the research center "3MET" (SFB/TRR 88). The image depicts the photoinitiated charge transfer within aphosphine-stabilized triangular silver hydride complex. Read the full text of the article at

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