In the paper, Jennifer Lewis and her colleagues at the Materials Science and Engineering Department and head of the Frederick Sets Materials Research Laboratory said that patterned silver microelectrodes can use high concentrations of nanoparticle inks. Print omnidirectional on semiconductor, plastic and glass substrates with a width of less than 2 microns. Unlike ink jet printing and screen printing, new inks also enable side printing.
In order to make this ink excel, the researchers first prepared a high concentration of silver nanoparticle ink, and then squeezed the ink to flow through a computer-controlled design software attached to the three-axis micro-positioning table. Conical nozzle. When printing, the silver nanoparticles are not yet bonded together. The actual bonding process occurs when the printed structure is heated to 150 degrees Celsius or higher. During annealing cooling, the nanoparticles gradually fuse into an interconnected structure. Due to specific temperature requirements, the new ink has the advantages of being more flexible and more compatible with organic substrates.
In order to demonstrate the versatility of new ink printing, the researchers used a silver microelectrode that can print both flat and side patterns, establishing a leap-like association of solar microbatteries and light-emitting diode arrays, and incorporating silver wires with fine-grained Three-dimensional devices are glued together. As the leading author of the paper, postdoctoral researcher An Bojun, has talked about, compared with traditional technologies, the new printing method can use the weakest contact pressure to connect delicate silver lines with sophisticated devices.
Another author stated that the research team can use different types of electronic materials to create highly integrated systems on many types of substrates. All-around printing can overcome some of the factors that restrict the development of potential electronic printing products, and lay the foundation for scientists to develop more advanced printing technologies.
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Hematite meaning and properties
Hematite is used to improve relationships. If you need your personal relationship to be better, carry a hematite with you always.
The name comes from the Greek word for blood. It has been used as an amulet against bleeding, and so is known as the "blood stone". When arranged like the petals of a flower, it is referred to as the "iron rose". Native American folklore states that war paint made from hematite will make one invincible in battle. People in the eighteenth and nineteenth centuries wore Hematite Jewelry during mourning.
Scientists of the Mars Exploration Rover Project believe that deposits of hematite ono Mars .may help prove whether large amounts of liquid water ever flowed on Mars' surface. They say that where water was, life may have had a chance to thrive as well.Hematite is good for increasing intuition. In jewelry it is best in a ring worn on the left hand.
Healing properties of Hematite
Hematite stimulates iron absorption in the small intestine, which in turn improves oxygen supply to the body. It can be in direct contact with the skin, but results in inflammation for some people, so test it carefully on yourself before use.
Sources of Hematite
Brazil is the most important source of hematite. Other sources include: China, Canada, England, and Germany.
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