Plant Nanobionics: A New Era of Sustainable Lighting

Plants have always been a source of food, shelter, and oxygen, but now they could also become a source of light. Thanks to the innovative work of MIT engineers, we may soon see plants replacing our unstable urban electric lighting grid.  The engineers have developed a technique to embed special nanoparticles in plant leaves to create a light-emitting plant that can be charged by LEDs. After just 10 seconds of charging, the plants glow for several minutes and can be recharged over and over again.  The glow of these plants is ten times brighter than the first generation of glowing plants. This breakthrough paves the way for a future where plant-based lighting is the norm, and electrical energy for living plants is no longer a far-fetched idea. The researchers behind this work have coined the term "plant nanobionics" to describe the emerging field of giving plants new features by embedding them with different types of nanoparticles. They created the first generation of light-emitting plants using nanoparticles that carry luciferase and luciferin, which work together to give fireflies their glow. But in their latest study, they wanted to create components that could increase the duration of light and make it brighter. The researchers came up with the idea of using a capacitor, a part of an electrical circuit that can store electricity and release it when needed. In the case of glowing plants, a light capacitor can be used to store light in the form of photons, which can be slowly released over time. The researchers used a compound called strontium aluminate to create their light capacitor. Before embedding them in plants, they coated the particles in silica, which protects the plant from damage. This breakthrough has the potential to transform the way we think about energy and lighting, and it is a significant step towards a more sustainable future. The researchers have shown that plants can be used not only for their aesthetic beauty but also for their ability to generate light, making them an integral part of our urban landscape. The possibilities for this technology are endless, and we can't wait to see what the future holds for plant nanobionics.