Fabrication of Micro Pattern on Flexible Substrate by Nano Ink using Superhydrophobic Effect

Son, Soo-Jung; Cho, Young-Sang; Rha, Jong Joo; Cho, Chul-Jin

doi:10.4150/kpmi.2013.20.2.120

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2015

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“…Over the past decades, silver nanoparticles have surfaced due to their special physico-chemical properties and wide applications in photography, catalyst, surface-enhanced Raman scattering (SERS) detection, molecular sensors, antibacterial agents, conductive pastes and inks [1][2][3][4][5]. Numerous chemical reduction methods including polyol, microemulsion, seed-mediated growth and biological synthesis have been attempted to prepare the silver nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

Formation And Stabilization Of Silver Nanoparticles In Ethanol By Phosphinic Acid

Kim

Shim

Park

et al. 2015

Archives of Metallurgy and Materials

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Although phosphinic acid (H 3 PO 2 ) has a powerful reduction potential, the reduction of silver ions by phosphinic acid salt has not yet been reported. In this work, colloidal silver has successfully synthesized by reducing silver ions in ethanol with phosphinic acid as a reducing agent. The effects of [AgNO 3 ]/[H 3 PO 2 ] ratios and reaction temperature were considered. Spherical silver nanoparticles with cubic structure were successfully prepared and their diameters were measured to be 8.5±0.9 nm -11.3±0.2 nm. Half-life analysis showed that the reduction of silver ions proceeded with the reaction order of 1.30 on concentration of phosphinic acid and activation energy of 120.7 kJ/mol.

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