DuPont announced that it has acquired Innovalight, Inc., a company specializing in advanced silicon inks and process technologies that increase the efficiency of crystalline silicon solar cells. The acquisition further strengthens DuPont’s position as a clear leader in materials for the solar energy market, enabling a broader and more integrated photovoltaic materials and technology offering from DuPont. Financial terms of the acquisition were not disclosed. DuPont exceeded $1 billion i...