Answer Happy

A solar panel manufacturing company is working on lowering the cost of its solar panels. They currently build a portable solar panel that is 40cm long and 20cm wide that is used to charge a small battery backup with sunlight of wavelength 350nm. They have minimized costs on all other aspects of the solar panel but need to minimize the cost of the anti-reflective coating. The energy absorption panel has an index of refraction of 3.49 and hopes to trap the most possible light with the help of the anti-reflective coating. Unfortunately, the current manufacturing technology is only able to spray anti-reflective coating to a minimum thickness of 1mm. The company has sourced three material options for the anti- reflective coating with relevant information below. Which material would you recommend to the company? Take multiple factors into consideration and back up your argument with calculations. Option 1 1.50 Option 3 Option 2 1.70 Index of Refraction 2.20 Cost ($/m³) 325 225 150 Density (kg/m³) 950 850 700