The technology team led by Dr. Chen Yu, a professor at East China University of Science and Technology, has developed a series of new non-volatile polymer information storage functional materials based on graphene-based polymer information storage materials after more than three years of research. Nearly 20 papers of these achievements have been published in internationally renowned and well-known SCI journals such as Advanced Materials and Advanced Functional Materials, and have received high attention and positive evaluation from international peers. A well-known British journal commented on this achievement, pointing out that the devices fabricated by Chen Hao and others "have perfect storage processes and are expected to become potential replacement or complementary technologies for current silicon-based semiconductor memory technologies." Non-volatile memory chips (even if the power is turned off, the memory can still retain the stored information) in China, the annual total of about 220 billion yuan, but the domestic products are almost blank. In electronic products such as computers, mobile phones, and digital cameras, the mainstream storage technology used is still silicon-based storage technology. As society enters the information age, memory is required to have greater data storage density and faster access to information. To achieve this goal, the microelectronics industry needs to integrate more and smaller memory components on a single chip. At present, the size of a single memory cell has been reduced from 130 nanometers in 2000 to 45 nanometers in 2011, and it is expected that the physical limit of 16 nanometer silicon-based semiconductors will be reached by 2018. Beyond this limit, the reliability and stability of the memory device will be greatly affected. According to the International Semiconductor Technology Roadmap issued by the International Semiconductor Industry Association, the existing information storage technology will gradually come to an end. In 2006, the state will “break through the core technologies that constrain the development of the information industry†and “master core technologies such as integrated circuits and key components†and include them in the long-term development plan of the national science and technology (2006-2020). Chen Wei believes that large-scale new non-volatile memory that realizes large capacity, high read/write speed, low operating voltage and high reliability needs to introduce new concepts, materials and technologies. Since 2008, Chen Hao team has innovatively designed and prepared a series of high-performance polymer information storage functional materials by regulating solid film morphology. Among them, the design and preparation of graphene-based polymer information storage materials is the earliest and most outstanding work in the world. Chen Wei said that graphene has attracted the attention of scientific research institutions due to its unique two-dimensional structure and excellent electrical, optical, thermal and mechanical properties, and has rapidly become a hot research topic in the fields of materials, chemistry, physics and engineering. The hole/electron mobility of graphene is the highest among known semiconductor materials. It is expected that in the near future, graphene as a data storage medium will inevitably lead to a revolution in the information technology industry, which can be used in a smaller space. The least amount of energy to store more data information. Under the support of the National Fund Committee and the State Key Laboratory of Integrated Circuits of Fudan University, after numerous failed baptisms, Chen Hao team designed and synthesized a series of non-volatile information storage functional materials based on graphene and other functional materials. In the past two years, the new storage materials developed by Chen Hao team have made new breakthroughs in a number of key indicators, some of which are close to or meet the needs of practical application technology. Chen Wei told reporters that among the materials that have been synthesized, the application prospects of new graphene-based storage materials are the most promising. “Compared with silicon-based materials, polymer information storage materials have obvious advantages. It is easy to process, low in cost, low in power consumption, light in weight, small in size, high in storage density, and can be stacked in three dimensions, even in large areas. Painted on glass, plastics and integrated circuits, the molecular structure can be tailored as needed to regulate the storage function of materials and corresponding devices." As an outstanding academic leader in Shanghai and a national outstanding chemical science and technology worker, Chen Wei believes that Although in recent years, some outstanding progress has been made in the research of polymer storage materials at home and abroad, compared with inorganic silicon memory, in terms of response speed, switching ratio, number of read and write cycles, thermal stability, device maintenance time, etc. There is a big gap, and there is still a long way to go before the actual application. The bridge between science and engineering is technology, and only the bridge of technology can effectively transform laboratory results into productivity. "We will make unremitting efforts to continue to overcome the weak links; at the same time, we sincerely hope to carry out collaborative innovation cooperation with domestic production, research and research units, and strive to realize the industrialization of new storage materials based on graphene, and strive to develop and apply this material in the forefront of the world. "Chen Chen's words make us hope for the future of graphene, a new storage material.
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