Tokyo, Japan, May 15, 2014 --- The Teijin Group announced today that it will participate in SNEC PV POWER EXPO 2014, one of the world’s largest trade shows focusing on photovoltaic (PV) power, which will take place at the Shanghai New International Expo Center, China from May 20 to 22.
The Teijin Group booth (No. W4－811) will present a cutting-edge electronic material under development, named “NanoGram Si (silicon) ink/paste” for PV cells. The exhibit will showcase the material’s superior properties as well as the Teijin Group’s advanced solutions for high-efficiency PV cells.
NanoGram Si ink/paste is a printable diffusing dopants incorporating the technologies of nanoparticle manufacturing and dispersion. Teijin’s advanced dopants, which contain silicon particles with diameter of several tens of nanometers, can form thin and thick layer on a silicon substrate. It is suitable for printed electronics applications using ink-jet and screen printing technology since this product has stable property without any dispersing agents.
The silicon nanoparticles contain high concentration of phosphorus and boron. This property enables the laser doping process as well as the thermal diffusion, resulting in high efficiency and simplifying manufacturing process of silicon-crystal PV cells.
NanoGram Si ink/paste is being developed by NanoGram Corporation, a Teijin Group company specialized in novel nanomaterials design technology. This company researches, develops and produces ink/paste products especially for electronics applications in Silicon Valley, California.
About the Teijin Group
Teijin (TSE: 3401) is a technology-driven global group offering advanced solutions in the areas of sustainable transportation, information and electronics, safety and protection, environment and energy, and healthcare. Its main fields of operation are high-performance fibers such as aramid, carbon fibers & composites, healthcare, films, resin & plastic processing, polyester fibers, products converting and IT. The group has some 150 companies and around 16,000 employees spread out over 20 countries worldwide. It posted consolidated sales of JPY784.4 billion (USD 7.7 billion) and total assets of JPY 768.4 billion (USD 7.5 billion) in the fiscal year ending March 31, 2014.
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