Graphene will lead the rapid rise of China's technology industry

Abstract In recent years, China's rapid economic development has become the world's second largest economy. However, in the electronic technology industry, it has always been big but not strong. China has the world's largest electronics production capacity, but has long been subject to foreign companies in terms of core technologies. As an electronic device &l...
In recent years, China's rapid economic development has become the world's second largest economy. However, in the electronic technology industry, it has always been big but not strong. China has the world's largest electronics production capacity, but has long been subject to foreign companies in terms of core technologies. As the "heart" of electronic devices, China's dependence on imported chips has reached an alarming level: the cost of importing chips has even surpassed imported oil.

The current situation of China's electronic technology industry is in urgent need of change. Domestic enterprises have been working hard and the government is not constantly supporting it. In recent years, China has also made great progress in the electronic technology industry. Now, let's take a look at what achievements have been made in China's electronic technology industry in 2013.

Entering the emerging field of graphene research is among the best in the world

Since the establishment of the Chongqing Research Institute of the Chinese Academy of Sciences, the scientific research achievements of 3D printing, robots, graphene and other products have been rapidly transformed. At present, graphene has established a company, which will be the first world-leading graphene production line in China.

At present, the first phase of the 100,000 m2 research park of the Chongqing Institute of Green and Intelligent Technology of the Chinese Academy of Sciences has been put into use in September this year. Comprehensive research buildings, student apartments, incubators and other facilities have been completed. A high-level scientific research platform focusing on high-tech science and technology and focusing on ecological environment protection has been rapidly established. At present, we have established public scientific research platforms such as micro-nano manufacturing, intelligent industrial design, 3D printing technology, and super technology, and strive to make significant progress in emerging industries such as the robot industry, graphene industry, and environmental protection industry.

The Institute's Intelligent Multimedia Technology Research Center has developed the world's first mobile multi-angle face image acquisition array, and based on this, developed the world's leading dynamic face recognition and video object extraction and retrieval algorithms. The new graphene materials widely used in nanoelectronic devices, in place of silicon production supercomputers, photonic sensors, etc., have also been successfully developed in the hospital. At present, the first graphene film production enterprise has been established in Chongqing, accelerating the construction of the first graphene production line in the world.

As early as the beginning of the year, the hospital has successfully produced the first 15-inch single-layer graphene in China, which has reached the highest level in China. It will bring a revolution to our mobile phones, computers and other electronic products.

In addition, it was also learned from the Shanghai Microsystems of the Chinese Academy of Sciences that the SOI Task Force and the Superconducting Research Group of the State Key Laboratory of Information Functional Materials directly prepared large-area, uniform, on the ruthenium substrate by chemical vapor deposition. High quality single layer graphene. Relevant results have been published in the "Science Report", a journal of Nature.

At present, chemical vapor deposition is the most important way to prepare high quality, large area graphene. However, metal substrates are an indispensable catalyst in the growth of graphene, and subsequent applications must transfer graphene from a metal substrate to a desired insulating or semiconductor substrate. The cumbersome transfer process easily causes the structure of graphene to be destroyed and contaminated, which is difficult to be compatible with the current mature large-scale integrated circuit process, and affects the large-scale popularization and application based on graphene devices.

In view of this, under the guidance of researcher Di Zengfeng, doctoral student Wang Gang et al. proposed a method for directly preparing graphene by chemical vapor deposition on large-sized sulfhydryl groups, and successfully prepared large-area, uniform, high-quality Single layer graphene. Niobium is an important semiconductor material. Compared with traditional silicon materials, it has extremely high carrier mobility and is considered to be the most potential semiconductor material to replace silicon. It is expected to be applied to large-scale integrated circuits in the future.

Di Zengfeng said that fluorenyl graphene directly realizes the integration of high-quality graphene and semiconductor substrates, and the preparation process is compatible with existing semiconductor processes, which will promote the wide application of graphene in the semiconductor industry more quickly. Has important application value.

It is worth mentioning that recently there is news that China will take the lead in formulating the graphene industry standard, which is expected to form a recognized standard for the industry, which will greatly promote the development of the industry and further industrial application. The obstacles encountered in the industrialization of graphene are not only the preparation process, but the lack of industry standards is also one of the “roadblockers”. It is difficult for the industry to solve the core problems of graphene definition, performance, preparation methods and detection and characterization methods. A broad consensus has been reached. Li Yichun, secretary general of China's graphene industry technology innovation strategy alliance, said that the main purpose of the introduction of industry standards is to unify the name and test methods. "At present, there is no international authority to formulate relevant standards for the graphene industry. We are the first to set standards. It is also expected to establish an international graphene alliance next year. It is of great strategic significance for the international to follow our standards."

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