Researchers have created glow-in-the-dark plants by injecting succulents with luminescent particles, enabling them to shine as brightly as a night light in a variety of colors—a first for glowing houseplants.
Why it matters: This new technology opens possibilities for novel, sustainable lighting and decorative applications, potentially transforming the way we use and appreciate houseplants.
The details:
- The research team, led by Xuejie Zhang at the South China Agricultural University in Guangzhou, described their innovative process in the journal Matter.
- Unlike previous bioluminescent plants that emit light through chemical reactions in their cells, the new succulents glow because of phosphor particles injected into their leaves.
- These particles, composed of strontium, aluminum, and other metals, absorb light at one wavelength, store it, and then slowly re-emit it at a different wavelength for several hours.
- The preferred plant for this process is the succulent ‘Mebina,’ and each leaf must be injected with phosphor particles, taking about ten minutes per leaf.
The generated luminescence—achieved in blue-green, blue-violet, green, red, and white hues—lasted up to 120 minutes after exposure to tailored light wavelengths or sunlight and could be repeatedly triggered for ten days.
What they’re saying:
- “We aimed to create a living, light-charged plant lamp,” explained Shuting Liu, a lab affiliate and the first author of the paper.
- Keith Wood, chief executive of Light Bio, a company specializing in bioluminescent plants, suggested that while these glowing plants might not yet serve as practical light sources, they offer delight and whimsy, bringing a touch of magic to everyday life.
The challenges: Smaller particles produce dimmer glows, and the long-term health implications for the plants and potential toxicity if consumed remain areas requiring further safety testing.
What’s next: The research team hopes their patented technology will lead to decorative installations and living lighting, signifying a fascinating intersection of science and creativity with further exploration into the practical and decorative uses of luminescent flora.