2014年4月17日星期四

identification

in new network Nanjing on 12 April, (Tao Ran correspondent Sheng Jie) 12, learned from the Nanjing University of Technology, advanced materials innovation team of academicians, China Academy of Sciences Nanjing University of Technology President Huang Wei led the phosphorescent metal complexes can Cheap Chiefs Jerseys be developed a new message encryption technology, in order to "light" as the carrier of information, making information transmission more secure.

it is understood, the phosphorescent metal complex organic molecules of photoelectric functional materials and traditional compared with luminescent materials, the excited state properties, rich high phosphorescence emission efficiency, long life and other advantages of light.

the phosphorescent metal complexes can be developed a new message encryption technology is based on the optical signal as the carrier of information, using phosphorescent complexes long-life Cheap Bengals Jerseys luminous advantage, combined with the background fluorescence short life, in the process of composite optical signal, with a light "time difference", to realize the information encryption and decryption. The information recording device, different from the traditional sense of such as computer, electric or magnetic carrier, encryption and decryption by computer digital language.

, Nanjing University of Posts and Telecommunications information materials and Nanotechnology Research Institute Professor Zhao Qiang demonstrates, the information recorded in the phosphorescent metal complexes, optical signal in the light will be the normal state background fluorescence dye direct coverage of phosphorescent metal complex, so as to realize the information encryption; when the need for information encryption, using light-emitting time their differences, by time-resolved optical imaging technology, will be deducted from the background fluorescence short life, retain the phosphorescence Cheap Size 60 NFL Jerseys signal, so that the information can be read out.

"it's like banknote watermark watermark, but is easy to identify, so it easy to copy, but the phosphorescent metal complexes with time resolved imaging technology, identification, so it is not easy to imitate, is the security of encryption and decryption technology" high-end, Advanced Materials Research Institute of Nanjing University of Technology associate professor Sun Huibin is described as.

at the same time, the technology also implements a material while stimulating to the various external with luminescent response. Huang Wei introduces, luminescent properties of one of the greatest characteristics of phosphorescent metal complex is a ligand dependent, and the luminescent properties of the ligand changes in electronic structure is extremely sensitive, so it is very suitable for construction of the external electric field, pressure or temperature intelligent optical properties of the luminescent material response.

"this technology is found for the first time in the world," Sun Huibin said, "although there are similar studies abroad, but they are a response to one or two kinds of external stimulation, such as three kinds of external stimuli responsive materials have no related reports."

it is reported, this research Cheap Rams Jerseys has been published in the academic journal "nature" communication, Huang Wei said, this technological breakthrough opened up a new direction for research and study of organic Cheap Chargers Jerseys optoelectronics, much intelligence such as phosphorescent metal complexes in response to photoelectric functional materials, the future can be widely used in intelligent photoelectric devices and biosensors etc..

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