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2019•Materials science forumOpen access

Research Status of Recovery of Indium from Indium-Tin Oxide (ITO) Targets

Si Feng Chen, Yong Deng, Heng Xiong, Hao Lei

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Abstract

Indium is widely used in some important fields due to its semiconductor and optoelectronic performance. While the reduction of indium minerals, as one of secondary resources, the amount of indium–tin oxide (ITO) waste target has been accumulated considerably. ITO film is the main functional fraction of LCD has consumed more than 60% of the indium production worldwide. Therefore, it is necessary to recycle indium from ITO waste. Some researchers have been done for proper treatment to recycle indium from ITO waste. In this paper, the extraction methods of indium from ITO waste target are introduced, and the advantages and disadvantages of each method are compared.

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What this paper is about

Indium is widely used in some important fields due to its semiconductor and optoelectronic performance. While the reduction of indium minerals, as one of secondary resources, the amount of indium–tin oxide (ITO) waste target has been accumulated considerably. ITO film is the main functional fraction of LCD has consumed more than 60% of the indium production worldwide. Therefore, it is necessary to recycle indium from ITO waste. Some researchers have been done for proper treatment to recycle indium from ITO waste. In this paper, the extraction methods of indium from ITO waste target are introduced, and the advantages and disadvantages of each method are compared.

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Available abstract

Indium is widely used in some important fields due to its semiconductor and optoelectronic performance. While the reduction of indium minerals, as one of secondary resources, the amount of indium–tin oxide (ITO) waste target has been accumulated considerably. ITO film is the main functional fraction of LCD has consumed more than 60% of the indium production worldwide. Therefore, it is necessary to recycle indium from ITO waste. Some researchers have been done for proper treatment to recycle indium from ITO waste. In this paper, the extraction methods of indium from ITO waste target are introduced, and the advantages and disadvantages of each method are compared.

Key concepts: Indium, Indium tin oxide, Materials science, Tin, Oxide, Optoelectronics, Nanotechnology, Metallurgy

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