The technology

So how does the technology work and why does it work?

The technology: Coated glass solutions have traditionally suffered from a real (and perceived) lack of toughness, durability and overall performance. Our AR coatings represent the new generation. They are built using nanotechnology resulting in a smooth, even surface as opposed to the rough and inconsistent surfaces of competitive single-layer coatings. The result is tough, abrasion-resistant, all-weather glass suitable for use in virtually all conditions.

The process: DSM Advanced Surfaces produces its own AR coated glass, but we also license the technology to glass manufacturers. In either case we use a single-step dip coating process to apply a two-sided fine film at the rate of up to one meter per minute. It’s an extremely effective (and indeed cost-effective) process. And it’s set to become even more effective. DSM is currently developing a horizontal one-sided coating process that will allow higher coating speeds of up to 20 meters per minute.

The result: The transmission of conventional float glass is around 89%, while ultrawhite glass stands at around 91%. When our technology is applied on both sides to ultrawhite glass it boosts this value to more than 98%. This increased light transmission results in an increase in energy efficiency yield of up to 5% for solar PV modules.

The proof: Our commercial case is supported by the Photovoltaik Institut of Berlin (www.pi-berlin.com) which has conducted extensive tests on solar modules fitted with our AR coated glass.

We also helped create the world’s first multicrystalline silicon solar panels with 17 % efficiency (in December 2009) in partnership with the Energy Research Center of the Netherlands (ECN) and Norwegian solar cell producer REC

And this is just the beginning. Our research group inside DSM is dedicated to breaking down yet more technology barriers and creating coating technologies for solar systems and other applications – all of which improve efficiency while reducing costs.

Find out more about our technology