Stretchable Electronic Skin with Chameleon-like Properties
Stretchable Electronic Skin with Chameleon-like Properties
  • Reporter Lee Jin-ho
  • 승인 2023.09.06 11:35
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▲Prof. Su Seok Choi, biomimetic optical-electronic skin principle and  journal cover (from left)
▲Prof. Su Seok Choi, biomimetic optical-electronic skin principle and journal cover (from left)

  Researchers, spearheaded by Professor Su Seok Choi from POSTECH Department of Electrical and Electronic Engineering (EE), have accomplished a remarkable feat in the realm of artificial electronic skin endowed with chameleon-like properties. Their pioneering work, utilizing chiral photonic elastomers (CPE), is poised for publication in the esteemed journal Advanced Materials.
  Taking inspiration from the chameleon's adaptive color-changing skin, the research team ingeniously engineered CPE with the unique ability to transition colors via self-assembled molecular rotations. This exceptional material exhibits electroelasticity, enabling autonomous contractions or expansions in response to electrical stimuli or mechanical forces. The team's ingenious approach entailed meticulous control over the lengths of multiple nanostructures through electrical manipulation, culminating in stretchable electronic skin that mimics the chameleon's remarkable color-changing behavior.
  The outcomes of their experimentation were nothing short of promising. The CPE-based electronic skin not only emulated the protective coloration strategies of animals for effective camouflage within diverse surroundings but also hinted at potential applications in encryption and beyond. Moreover, the team's accomplishments extended to achieving experimental transparent chameleon-like electronic skin. By manipulating light wavelengths, they succeeded in controlling the visibility of objects, offering a tantalizing glimpse into a future where material properties are dynamically tuned for practical applications.
  Prof. Choi’s enthusiasm for the technology's future applications is palpable. He envisions its seamless integration across a plethora of sectors, including next-generation displays, electronic skin interfaces, encryption methodologies, and bio-inspired robotics. This research not only bridges the chasm between scientific imagination and reality but also showcases the extraordinary potential of interdisciplinary collaborations.
  In a rapidly evolving technological landscape, where innovation is the driving force, this breakthrough deepens our understanding of bio-inspired engineering. It also unveils a myriad of possibilities for advanced applications. From adaptable displays to biomedically integrated devices, stretchable electronic skin technology presents a transformative vision of the future, where materials emulate nature to elevate human capabilities.