Black Silicon for Solar Panels Efficiency? Of course you have noticed that, for example a black car is hotter than a white car or light colors. So do the clothes, when we are in the sun on the beach or try to use white or light colors, and a black T-shirt is hotter.
What happens is that the objects reflect light receiving more or less depending on the color.
The objects white or light colored reflect nearly all the light they receive, instead of black or dark colors that absorb it.
That is why it is expected that the
black silicon solar panels will be more
efficient solar panels that will absorb more light than other colors of silicon. So if more light that can be absorbed by black silicon it would increase the efficiency of conversion of light energy.
It's simple, solar panels currently have a silver or gray and black colors, it would look black. It is believed that this manner the solar panels will have an efficiency of 25%, unlike the current panels that not exceeding 18%.
That sounds positive, but there is a "but"
black silicon is not new, it has been known for a long time, the disadvantage is that it is very expensive. We know that many companies around the world work in the development of black silicone to improve imperfections and reduce manufacturing costs.
The latest advance was made known by a group of researchers at the
National Renewable Energy Laboratoy where involved in the process of chloroauric acid (derived from gold), which is more economical to use it instead of gold, reducing costs black production convenient, but it's not enough.
