Carbon Black - DOAJ

Experimental investigation on photothermal conversion properties of collagen solution-based carbon black nanofluid

The adherence and heat transfer of CS-CB nanofluids was satisfactory, according to the viscosity and heat conductivity of the CS-CB nanofluids, and the results revealed that the flow and heat transfer results of CS-CB nanofluids was acceptable. In addition, the optical properties of CS-CB nanofluids were investigated; carbon black enhanced the light absorption of the CS-CB nanofluids. Deionized water and collagen solution's maximum photothermal yield was 62. 8 percent throughout the experiment, which was 62. 8 percent higher than the maximum photothermal efficiency values of deionized water and collagen solutions, 50. 8 percent and 47. 1%, respectively.

Source link: https://doi.org/10.1016/j.csite.2022.102371

A Systematic Study of Laser‐Engineered Fluorescence in Carbon Black

With three laser sources of various wavelengths, including 405 nm, it's demonstrated, the possibility of laser-engineered fluorescence emission from carbon black is shown. Complete systematic reviews on how the laser-engineered fluorescence emission from CB is determined by laser power, laser patterning speed, and environmental regulation during the laser modification process are carried out. According to a report, multicolored fluorescence designs can be produced with elaborative oversight of focused laser therapy in an ambient and helium environment.

Source link: https://doi.org/10.1002/adpr.202100180

Multi-Layered Carbon-Black/Elastomer-Composite-Based Shielded Stretchable Capacitive Sensors for the Underactuated Robotic Hand

Two sensor configurations were tested: longitudinal interdigitated capacitive sensor, where the interdigitated fingers lie along the same axis under strain, and transverse interdigitated capacitive sensor, where the interdigitated fingers lie parallel to the strain direction. Both load capacities of 120 g and 180 g were respectively determined by the fabricated two-layered LIDC sensor with a gage factor of 0. 15 pF/s and the rates of capacitive creep of 0. 000667 pF/s and 0. 001 pF/s. The LIDC sensors attached to underactuated robotic hand show the sensors' ability to determine the bending angles of the proximal interphalangeal and metacarpophalangeal joints.

Source link: https://doi.org/10.3390/robotics11030058

A Flexible and Low-Cost Tactile Sensor Produced by Screen Printing of Carbon Black/PVA Composite on Cellulose Paper

This paper explores the creation and production of a flexible tactile sensor printed on a cellulose paper substrate using a carbon black u2013 filled polyvinyl alcohol polymer matrix as ink material. According to the comparative report, CB/PVA ink screen-printed on paper reveals superior sensitivity for capacitive sensing with low hysteresis, as well as low response and recovery times. When conventional metal strain gauges are used, the piezoresistive-sensing characteristics of CB/PVA on cellulose paper demonstrate a gauge factor of 10. 68, which is also very promising. Screen-printed on cellulose paper is also sensitive to the measurement frequency, and is thus susceptible to measurement frequency.

Source link: https://doi.org/10.3390/s20102908

Practical and Durable Flexible Strain Sensors Based on Conductive Carbon Black and Silicone Blends for Large Scale Motion Monitoring Applications

This flexible capacitive strain sensor, based on low cost silicone and carbon black, was produced by casting and curing successive silicone layers; a central PDMS dielectric layer bounded by PDMS/CB blend electrodes and packaged by exterior PDMS films is shown here. Over these conditions for the linear strain range, the capacitive gauge factor remained relatively stable at 0. 86 percent. Integration with an elbow band was demonstrated by wearability and high flexion angle human motion detection, with clear evidence of motion ranges up 90°.

Source link: https://doi.org/10.3390/s19204553

A Flexible Strain Sensor Based on the Porous Structure of a Carbon Black/Carbon Nanotube Conducting Network for Human Motion Detection

This research revealed a flexible resistance strain sensor made of carbon black and multi-walled carbon nanotubes in a porous structure. To create a layer of synergized conductive networks created by carbon black and multi-walled carbon nanotubes, a simple and low-cost spraying technique was used on the surface of a porous polydimethylsiloxane substrate was used. The sensor's performance was enhanced by combining the advantages of synergetic effects of mixed carbon black and carbon nanotubes as well as their porous polydimethylsiloxane structure.

Source link: https://doi.org/10.3390/s20041154

Impedimetric Determination of Kanamycin in Milk with Aptasensor Based on Carbon Black-Oligolactide Composite

The determination of antibiotics in foods is critical due to their negative health, renal toxicity, and allergic reactions, as well as allergic reactions. We provide an iminitimetric aptasensor for the determination of kanamycin A, which was assembled on the glassy carbon electrode during the deposition of carbon black in a chitosan matrix and then carbodiimide bonding of an aminated aptamer mixed with a oligolactide derivative of thiacalix[4] arene in a cone shape. The charge transfer resistance of the inner interface increased with the analyte concentration between 0. 67 and 50 nM in the presence of the KANA.

Source link: https://doi.org/10.3390/s20174738

Self-Heating Ability of Geopolymers Enhanced by Carbon Black Admixtures at Different Voltage Loads

The creation of multifunctional materials with good mechanical properties, tenacity, and low environmental impacts can be used to achieve sustainable growth in the construction industry. Electrical properties, which are inherently poor for common building materials, are crucially dependent on new functional properties, such as self-sensing, self-heating, or energy harvesting. Geopolymers that are based on waste or byproduct precursors are promising materials that can be used to produce new functional properties by adding a small amount of electrically conductive admixtures. Designed geopolymer mortars based on blast-furnace slag triggered by water glass and 6 doses of carbon black admixture up to 2. 25 wt. At 1. 5 wt, the percolation threshold for self-heating was reached. With an increasing self-heating success for higher CB dosages, an increasing percentage of carbon black is showing an increasing self-heating effort. Geopolymers with a maximum power of 26 W and the highest temperature rise of about 110 °C were recorded. At 100 V. , % of carbon black admixture corresponds to a % of carbon black admixture.

Source link: https://doi.org/10.3390/en12214121

Array of Chemosensitive Resistors with Composites of Gas Chromatography (GC) Materials and Carbon Black for Detection and Recognition of VOCs: A Basic Study

Mimicking the biological olfaction, large odor-sensor array arrays can be used to gather a slew of chemical data, with a potential high degree of redundancy, in order to allow for greater control over artificial olfaction systems' sensitivity and selectivity. Chemosensitive resistors are one of the sensing systems that have the ability to meet these two conditions. Blends of the pre-determined GC materials with carbon black particles were then coated over chemosensitive resistor elements and the resulting sensors/arrays were tested in exposure experiments with vapors of pyrrole, benzenal, nonanal, and 2-phenethylamine at 150, 300, 450, and 900 ppb. Responses of the assembled 16-element array were stable and varied for each individual odorant sample, showing that the blending of GC compounds with carbon black particles can be used to produce large odor-sensing arrays based on chemosensitive resistors.

Source link: https://doi.org/10.3390/s17071606

Screen-Printed, Pure Carbon-Black Thermocouple Fabrication and Seebeck Coefficients

Carbon black is a low-cost semiconductor with a Seebeck coefficient that varies on the particle size. Different carbon black screen-printing inks tend to have different Seebeck coefficients, and two of them can therefore be mixed to produce a thermocouple. We discovered that pure carbon-black thermocouples' outputs are highly reproducible, linear, and quantitatively comparable to those of commercially available R- or S-type thermocouples.

Source link: https://doi.org/10.3390/s19020403

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