Only in recent years, when the cost of energy started to rapidly grow, solar power became a household term. But the history of photovoltaic energy goes all the way back to 1876. The discovery of this alternative source of energy was a groundbreaking event in the history of science. However, in the early stages, selenium solar cells were not efficient enough.
Then, in the 1950s, the silicon solar cell was discovered that could produce enough electricity to run devices. However, back in the 50s, hardly anyone could afford a solar cell due to high production costs. Fast forward to present time. The solar power industry has come a very long way. Thin-film technology, along with the access precise tools to measure thin-film growth rate during the production process, made it a fast and growing field while cutting down the production costs to make solar power easily accessible to nearly everyone.