The surfaces of both 317L SS and EC were designed using lithography technology inductively coupled plasma etching, respectively.

An attractive method to get a sustainable and green power source is harvest energy from our living environment. However, most of devices for generation are fabricated by using bioincompatible materials, which limits their application in biomedical field. Here, we developed an arch-shaped triboelectric nanogenerator (TENG), assembling two biocompatible polymer sheets made materials having different charactristics. The mechanism the electric output TENG, thickness sheet, style lines loacated...

A suitable conductive ink for office inkjet printers is important the convenient design of flexible electrodes triboelectric nanogenerators (TENG). Ag nanowires (Ag NWs) easily printed with an average short length 1.65 μm were synthesized by using soluble NaCl as a growth regulator and adjusting amount chloride ion. The water-based NWs low solid content 1% but resistivity was produced. NWs-based electrodes/circuits showed excellent conductivity RS/R0 values kept at 1.03 after bending 50,000...

Particle packing density and sintering method are important to improve patterns' conductivity mechanical properties at a low temperature 160 °C.

Synthesizing metal nanoparticles (NPs) for conductive nano-ink applications on a large-scale and in green, facile method is important. Here we use an ultrasonic-assisted to synthesize Ag NPs with average diameter of 15.5 ± 1.0 nm poly(N-vinylpyrrolidone) (PVP) solutions containing ascorbic acid (Vc) glucose as mixed reducing agents. TEM, HR-TEM XRD analysis confirmed the purity NPs. A thin, Vc PVP layer surface NPs, by TGA FT-IR, offered air-stability rapid effective sintering was employed...

The adhesion with substrate and conductivity of silver (Ag) conductive pattern are critical for practical applications flexible electronic devices. Polymer vinyl acetate (PVAc) as an important solvent in Ag ink might largely improve the pattern's property. However, addition PVAc also result decreasing patterns to about 210 ± 2 μΩ cm after infrared sintering at air atmosphere. Here, we found a facial method eliminate effect pattern. In this method, thickness layer coated on particles surface...

Porous pure Zn alloy scaffolds are often used for bone defects, but their clinical effects limited due to poor mechanical properties and uneven degradation. In this study, porous Zn-Li-Ca with 70 % porosity were prepared by pressure infiltration method 450–600 μm NaCl particles as pore-making agent. The effect of pore structure the content Ca element on, properties, degradation weight loss soaked in simulated body fluids (SBF) 4 weeks studied. results showed that spherical sodium chloride...

A general and unified approach to synthesize Ag, Cu Au nanoparticles (NPs) is developed at room temperature in air atmosphere under ultrasonication poly(N-vinylpyrrolidone) (PVP) solutions with ascorbic acid glucose as the reducing nucleation agents, respectively. XRD, TEM, HR-TEM analysis of Cu, NPs confirm purity average diameters 15.5 ± 2.0 nm, 50 3.0 10 1.0 An ultrasonic-assisted mechanism, wherein reduction occurs readily produces anti-oxidation particles, proposed discussed. Fast...

Bone screw is a representative device for internal fixation. However, Mg alloy bone subjected to complex loads after implantation and leads stress concentration in specific site, resulting rapid local degradation. In order alleviate the of screw, structural optimization was carried out through finite element analysis method this work. The models related size parameters such as inner diameter, pitch tooth angle, were established explore influence them on orthogonal experiment loading...

Highly conductive flexible paper-based patterns were drawn directly using a brush pen dipped in ink consisting of copper–silver core–shell with individual silver (Cu_coreAg_shell&Ag) particles.

The electrical output performances of polyvinylidene fluoride (PVDF) triboelectric nanogenerators (TENGs) were closely related to its surface potential, roughness, β crystalline form, crystallinity, and dielectric constant. In order improve the high power output, voltage thermal polarization with injection molding (HVTP-IM) was integrated as a single-process achieve PVDF electrets. physical properties these electrets explored, including morphology, transition, constant by changing HVTP-IM...

A novel, cost-effective biomedical triboelectric nanogenerator (TENG) has been fabricated based on biocompatible medical 317 L stainless steel (317 SS) and polylactic acid (PLLA) films as the friction layers, whose surface roughness was designed by simple low-cost laser etching hot-embossing template methods, respectively. With increase of TENG's tribo-interface molecular weight PLLA, power output TENG greatly increased owing to more charges being produced excellent mechanical properties...

Triboelectric nanogenerators (TENGs) can convert amorphous mechanical energy into electrical and solve the issue of source power for biological electronics implanted in human body. Biomedical metal Ti was selected as bottom plate, to fabricate a TENG with poly-L-lactic-acid (PLLA) structure. The sheets were treated two-step anodization method, growth titanium dioxide nanotube arrays (TNTAs) controlled by variation anodic oxidation time. results showed that output voltage current PLLA-TNTAs...

Low-temperature silver paste (LT-SP) is a critical conductive material for its use in flexible electronic devices. The high-purity thinner-coated Ag NPs with size of about 100 - 200 nm are important their oxidation resistance. Here, by adjusting mixed reduction ascorbic acid (Vc), glucose (Clu), and sodium citrate (Na(3)Cit), n(AgNO3): n(SDS) at 3:1, the obtained can be decreased to 158.1 nm. A simple natural precipitation purification was performed obtain large-scale, thinner SDS-coated...

Magnesium (Mg) is frequently used as a biocompatible implantable material in the human body, but real-time detection of its corrosion state not well understood. Fortunately, previous studies triboelectric nanogenerators (TENG) self-driven sensors many fields have proposed solutions for this problem. In work, Mg-based TENG was prepared sensor to detect corresponding Mg treated by micro-arc oxidation (MAO-Mg). sheets and polydimethylsiloxane (PDMS) film were materials. The output optimal under...

The clinical diagnosis of diabetes mellitus typically depends on blood glucose measurements. Many laboratory studies have focused enzyme–electrode biosensors that require an external power source. In this study, the potential triboelectric nanogenerators (TENGs) as self‐driven sensors for detection is investigated by utilizing specificity oxidase. When immersed in solutions with concentrations ranging from 3.9 to 13.1 mmol L −1 , TENGs exhibit a linear relationship between concentration and...

Biodegradable Zn-based composites have been recognized as a promising approach to develop the new generation biodegradable materials for orthopedic applications. However, insufficient interfacial bonding between Zn matrix and reinforcements limited performance of biocomposites. In this study, Cu2O modified graphene oxide (Cu2O-GO) sheets were employed reinforcement manufacture Cu2O-GO/Zn biocomposites via spark plasma sintering (SPS) process. A in situ reaction induced by took place enhance...