For the first time, the Italian and French research teams have observed experimentally the high-intensity luminescence of 7-atom-wide graphene nanoribbons. The intensity is comparable to that of a luminescent device made of carbon nanotubes, and the color can be changed by adjusting the voltage. This major discovery is expected to greatly promote the development of graphene light sources. The related results were published in the latest edition of Nano Express. The graphene nanoribbons were partially suspended by the tip of the microscope and bright light was visible. This new study was completed by CNR Nanoscience Institute of Italy and the research team of University of Strasbourg, France. According to researchers, in general, the basic system composed of molecular-scale devices is very interesting, but it is rather unstable and the amount of signals generated is limited. However, this study has demonstrated that a single graphene nanoribbon can be used as a strong, stable, and controllable light source, which is a decisive step for realizing the nano-organic system applied to the real world of optoelectronics. Although the excellent electronic properties of graphene are widely studied, scientists know little about its optical properties. One of the disadvantages of graphene as a light emitting device is that the graphene sheet does not have an optical band gap. However, the latest research shows that when graphene is cut into thin strips of several atomic widths, a considerable optical band gap is obtained, which brings about the possibility of light emission. Experimental results indicate that graphene nanoribbons have great potential to be developed. Tests have shown that a single graphene nanoribbon exhibits a strong optical emission of up to 10 million photons per second, which is 100 times stronger than that of a single-molecule optoelectronic device and comparable to a light-emitting device made of carbon nanotubes. In addition, the researchers also found that the electrical energy conversion changes with the voltage, providing the possibility to adjust the color of light. These observations provide a good basis for further exploration of the potential mechanism of graphene nanoribbon luminescence. In the future, the researchers will also investigate the effect of the width of graphene nanoribbons on the color of light emitted, because it is expected to use this width adjustment to control the size of the band gap. Of course, the most important thing is to focus on how to integrate graphene nanoribbon devices into larger circuits. Leisuwash specializing in manufacture Automatic Car Wash Machine, Touchless Car Wash , Automatic Touchless Car Wash, touchless car wash equipment, robot car wash, smart car wash system, leisuwash 360, leisuwash leibao 360, laserwash 360, leisuwash touchless car wash machine, leisu wash touchless car wash automatic, leisu wash 360 high pressure touchless car wash equipment, robo car wash, touch free car wash, leisuwash 360 touch free car wash, leisuwash 360 price, automatic car wash price, leisuwash in malaysia, no touch automatic car wash machine. 360 Automatic Car Wash Machine,No Touch Automatic Car Wash,Brushless Car Washing Machine,Automatic Car Washing Machine Hangzhou Leisu Cleaning Equipment Co.,Ltd , https://www.sdleisuwashtouchless.com
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