Graphene & Solar Technologies Limited engages in the development of high purity silica quartz products to produce semiconductors and photovoltaic solar panels in the United States. It is also involved in the development and commercialization of graphene materials and water harvesting products; and production of conductive transparent thin films. The company was formerly known as Solar Quartz Technologies Corporation and changed its name to Graphene & Solar Technologies Limited in September 2018. Graphene & Solar Technologies Limited was incorporated in 2010 and is based in Phoenix, Arizona.