Solar panel technology has come a long way, making solar energy the fastest-growing renewable power source. Initially developed for space missions, solar panels have the advantage of unlimited power potential, unlike nuclear power, which relies on fuel. As we contemplate interstellar travel, we face the question of whether solar panels can work near different stars.
This video delves into how solar panels operate, highlighting the "photoelectric effect" and their evolution from the 1800s to the modern-day, capturing a broad range of light. However, current solar panels are optimized for our Sun's green and ultraviolet light, posing a challenge for exoplanets orbiting red dwarf stars, which emit mostly red and infrared light.
Researchers are exploring organic photovoltaics (OPVs), a lightweight and flexible solar technology with adjustable "band gaps" to adapt to different types of light. While wider band gaps are ideal for sunlight, they need to be narrowed for Proxima Centauri's light, affecting their efficiency.

#nasa #solarpanel #photovoltaic #proximacentauri #photoelectriceffect #explore #exploreyt

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Credits - Schopp, et al , Destiny, Future Unity, Adam Danyal, Royal Society Of Chemistry
Source - www.nature.com/articles/s41598-023-43224-5

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