Gold nanoparticle ink suitable for electric-conductive pattern fabrication using in ink-jet printing technology

Cui, Wenjuan; Liu, Wensheng; Zhang, Yakun; Lin, Guanhua; Wei, Tianxin; Jiang, Long

doi:10.1016/j.colsurfa.2010.01.023

Cited by 110 publications

(65 citation statements)

References 29 publications

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“…of the mean sheet resistance was extremely low, s m,Rs ¼ 0.01 O/sq. Printed features demonstrated conductivity of 8.0 Â 10 4 S cm À 1 (20% of the bulk conductivity of gold), which is comparable to reported conductivity values in the literature 26 . Mechanical stability of the printed lines was another key concern because the sensor array needed to survive the wear and tear experienced during data collection.…”

Section: Resultssupporting

confidence: 85%

Impedance sensing device enables early detection of pressure ulcers in vivo

et al. 2015

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When pressure is applied to a localized area of the body for an extended time, the resulting loss of blood flow and subsequent reperfusion to the tissue causes cell death and a pressure ulcer develops. Preventing pressure ulcers is challenging because the combination of pressure and time that results in tissue damage varies widely between patients, and the underlying damage is often severe by the time a surface wound becomes visible. Currently, no method exists to detect early tissue damage and enable intervention. Here we demonstrate a flexible, electronic device that non-invasively maps pressure-induced tissue damage, even when such damage cannot be visually observed. Using impedance spectroscopy across flexible electrode arrays in vivo on a rat model, we find that impedance is robustly correlated with tissue health across multiple animals and wound types. Our results demonstrate the feasibility of an automated, non-invasive 'smart bandage' for early detection of pressure ulcers.

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Section: Resultssupporting

confidence: 85%

Impedance sensing device enables early detection of pressure ulcers in vivo

et al. 2015

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“…Metal and metal oxide NPs have been introduced in many products with many different purposes. For example, they have been used in consumer products such as sunscreens and cosmetics (ZnO and TiO 2 ) [11,12], detergents and antibacterials (Ag) [13][14][15][16][17], paints (TiO 2 and Ag) [18,19], printer inks (Ag and Au) [20], and textiles (Ag) [13,21]. The applications of NPs also include electronics, medicine, chemistry, catalysis, and fuel additives [22].…”

Section: Sources Of Metal-based Nps In Soilmentioning

confidence: 99%

Metal‐based nanoparticles in soil: Fate, behavior, and effects on soil invertebrates

Tourinho

Gestel²,

Lofts

et al. 2012

Enviro Toxic and Chemistry

384

231

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Abstract-Metal-based nanoparticles (NPs) (e.g., silver, zinc oxide, titanium dioxide, iron oxide) are being widely used in the nanotechnology industry. Because of the release of particles from NP-containing products, it is likely that NPs will enter the soil compartment, especially through land application of sewage sludge derived from wastewater treatment. This review presents an overview of the literature dealing with the fate and effects of metal-based NPs in soil. In the environment, the characteristics of NPs (e.g., size, shape, surface charge) and soil (e.g., pH, ionic strength, organic matter, and clay content) will affect physical and chemical processes, resulting in NP dissolution, agglomeration, and aggregation. The behavior of NPs in soil will control their mobility and their bioavailability to soil organisms. Consequently, exposure characterization in ecotoxicological studies should obtain as much information as possible about dissolution, agglomeration, and aggregation processes. Comparing existing studies is a challenging task, because no standards exist for toxicity tests with NPs. In many cases, the reporting of associated characterization data is sparse, or missing, making it impossible to interpret and explain observed differences in results among studies. Environ. Toxicol. Chem.

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“…These processes are laborious, expensive, and energy intensive. Large quantities of waste are also produced due to corrosive chemical agents and inefficient materials usage [1][2]. Presently, researches are focused on conductive inks that can be printed directly onto thinner and more flexible substrates, i.e.…”

Section: Introductionmentioning

confidence: 99%

“…Among these metals, Cu is the most economical. However, it easily oxidizes, which significantly decreases its conductivity [1][2][4][5][6][7][8]. Au nanoparticles exhibit high conductivity and thermal stability.…”

Section: Introductionmentioning

confidence: 99%

Room temperature sintering of printer silver nanoparticle conductive ink

Corsino

Balela

2017

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Future electronics devices are not only smaller and thinner, but are also flexible, bendable and even wearable. This evolution in technology requires direct printing of patterns onto any substrate using conductive inks made of a dispersion of metallic nanoparticles. In this study, Cl-ions was used to induce spontaneous sintering of silver nanoparticles (Ag NPs). Ag NPs with an average diameter of 56 nm were synthesized by polyol method using silver nitrate (AgNO3) and ethylene glycol (EG) as precursor and solvent, respectively. Poly(vinyl pyrrolidone) was used as the capping agent. Water-based inks were formulated containing different Ag NP loading (10-25 wt %). Using 50 mM NaCl aqueous solution as the dispersing medium, an ink with 15 wt % Ag exhibited a sheet resistance of about 2.85 Ω/sq. This very low sheet resistance was attributed to sintering of Ag NPs, which was accompanied by an increase in average diameter of nanoparticles from 56 to 569 nm.

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Gold nanoparticle ink suitable for electric-conductive pattern fabrication using in ink-jet printing technology

Cited by 110 publications

References 29 publications

Impedance sensing device enables early detection of pressure ulcers in vivo

Impedance sensing device enables early detection of pressure ulcers in vivo

Metal‐based nanoparticles in soil: Fate, behavior, and effects on soil invertebrates

Room temperature sintering of printer silver nanoparticle conductive ink

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