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The Semiconductor Equipment and Materials Association (SEMI), headquartered in San Jose, California, predicts that the global photovoltaic market will grow from $13 billion in 2007 to more than $40 billion in 2012. The American market research company Friedonia Group stated that the global industrial gas market reached 41 billion U.S. dollars in 2005 and is expected to reach 51 billion U.S. dollars in 2010.
Electronic industry gases are mainly used for thin-film deposition, such as chemical vapor deposition (CVD) or physical vapor deposition (PVD), and these technologies are mainly used to make semiconductors or photovoltaic cells. Nitrogen trifluoride (NF3), silane (SiH4) and ammonia gas are the three main electronic industrial gases used in semiconductor, liquid crystal display (LCD) and photovoltaic technology.
The popularization and application of thin-film solar cells in different fields and under different natural conditions has led to a relatively rapid increase in the consumption of gas in the electronic industry in the production process. US industrial gas supplier Air Products has predicted that global solar cell capacity will grow at an average annual rate of more than 30%.
The development of the second generation of ultra-thin thin-film silicon photovoltaic technology in the future will stimulate the demand for special industrial gases to continue to accelerate growth. At the end of 2007, Air Products announced that it will expand its NF3 plant in Ulsan, South Korea. By 2009, the capacity of the facility will have doubled to 1,000 tons per year. In addition, the company also has an NF3 plant with a total capacity of 2,200 tons/year in Pennsylvania, USA.
WACKER, headquartered in Munich, Germany, predicts that annual demand for polysilicon will increase by 10%. Another consulting company pointed out that 90% of photovoltaic cells are based on electronic grade polysilicon, and most solar grade polysilicon uses chlorosilane as an intermediate medium and is processed through a gaseous process.
Three major electronics industry gas demand surge
The latest issue of the British "Chemical Commerce" magazine predicts that although semiconductor products are still the main force of consumer electronics specialty gases, the development of photovoltaic technology has increased the demand for electronic industrial gases. As long as oil prices continue to remain high, photovoltaic technology will be applied in large quantities, and the demand for global electronics industry gas will also increase.