Light-controlled molecular switches offer exciting possibilities for future electronics, data storage
Whether it's neurons responding to electrical signals or plants stretching toward light, nature is filled with examples of biological materials that respond to their environment. Now, researchers want to develop new responsive materials for a wide range of applications, such as sensing or low-energy technologies. However, achieving a balance of useful properties at the molecular level is…
Researchers at the Okinawa Institute of Science and Technology have developed new molecular switches that can be controlled by light, potentially leading to advancements in electronics and data storage. These synthetic molecules can switch between two stable states when exposed to UV light, opening and closing their rings in a reversible manner.
The transformation is accompanied by a change in fluorescence, allowing for easy observation of the molecule's state. Professor Christine Luscombe, who led the study, explains that such responsive materials could be crucial for future optical and smart technologies. The researchers achieved directionally selective control over the ring-opening reaction by incorporating different side groups into the molecules.
This level of control, combined with the ability to switch between states, provides valuable insights into the creation of multifunctional photoresponsive materials. The study, supported by interdisciplinary collaboration among several OIST units and core facilities, was conducted using a combination of organic synthesis, computational chemistry, spectroscopy, crystallography, and advanced characterization techniques.
The team now aims to incorporate these molecular switches into larger polymers to explore their potential applications in responsive and photonic systems.
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