Our Business

Silicon is the main component in crystalline solar cells, the dominant form of solar cells on the market today. Peak Sun Silicon, a development stage corporation founded by Dr. John Schumacher and Stephen J. Schumacher, is in business to commercialize a process for production of silicon that is lower in cost and easier to use than silicon manufactured using the 60 … Read More

Silicon Purification

round polysilicon

Silicon Silicon is the second most abundant element is the earth’s crust after oxygen. However, silicon does not occur as the pure element in nature, instead it is widely distributed across the globe in various forms of silicon dioxide … Learn More

Phosphorus Oxychloride

Pocl3 bubbler

Phosphorus Oxychloride (POCl3). Peak Sun Silicon manufactures and distributes high purity POCl3 a liquid Phosphorus used as an N-Type dopant for silicon wafers used in the solar industry. Peak Sun's POCl3 process has been built from the ground up to fulfill the high … Learn More

Schumacher Process

Schumacher Process 270_80

The solar industry needs a low cost, high purity, and environmentally friendly source of silicon to achieve the rapid adoption of solar electricity and carbon-emission reduction goals needed by the world today. It is with these goals in mind that the Schumacher Process … Learn More