In the American Chemical Society's Nanocommunication magazine published on the 13th, two members of the California Institute of Nanosystems, Yang Yang, professor of materials science and engineering, and Richard Cana, professor of chemistry and biochemistry, introduced Their newly developed method of processing graphene and carbon nanotube hybrid materials.
Transparent conductors are an integral part of many electrical devices and products, including flat panel televisions, plasma displays and touch screens, and solar thin film batteries. The commonly used transparent conductor is indium tin oxide (ITO), but it is limited because it is very expensive, rigid and brittle.
The researchers say that for electrical equipment with moving parts, graphene and carbon nanotube hybrid materials are ideal high-performance alternatives to indium tin oxide, which is comparable to the commonly used indium tin oxide. Graphene is a good conductor; carbon nanotubes have very few materials under the premise of ensuring electrical conductivity, and thus are good transparent conductors. Yang and Kana's newly developed single-step method of mixing the two materials is simple and inexpensive, and the product can meet a variety of applications requiring softness of the material.
In addition, this hybrid material is also an ideal candidate for polymer solar thin film battery electrodes. One of the advantages of using a polymer material to produce a solar thin film battery is the softness of the polymer material. However, when indium tin oxide is used for a polymer solar thin film battery electrode, the efficiency of the thin film battery is lowered by the curl of the thin film battery, and the advantage of flexibility is difficult to exert. After replacing the indium tin oxide with this newly developed hybrid material, the thin film battery can maintain its own softness under the same efficiency. Flexible solar thin film batteries can be used in a variety of materials, such as curtains for housing.
Vincent Dong, a Ph.D. student who works with Yang and Kana, believes that the potential use of newly developed hybrid materials is not only reflected in the physical arrangement of electrical moving parts. Through in-depth research, it is expected to become the optical electronic device of the future. Basic components.
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