A Robust Damage-Reporting Strategy for Polymeric Materials Enabled by Aggregation-Induced Emission
Microscopic damage inevitably leads to failure in polymers and composite materials, but it is difficult to detect without the aid of specialized equipment. The ability to enhance the detection of small-scale damage prior to catastrophic material failure is important for improving the safety and reliability of critical engineering components, while simultaneously reducing life cycle costs associated with regular maintenance and inspection. Here, we demonstrate a simple, robust, and sensitive fluorescence-based approach for autonomous detection of damage in polymeric materials and composites enabled by aggregation-induced emission (AIE). This simple, yet powerful system relies on a single active component, and the general mechanism delivers outstanding performance in a wide variety of materials with diverse chemical and mechanical properties.
Additional Information© 2016 American Chemical Society. ACS AuthorChoice - This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes. Received: July 18, 2016. Published: August 17, 2016. This work was supported in part by BP International Centre for Advanced Materials (BP-ICAM). Microscopy was performed using facilities maintained by the Imaging Technology Group at the Beckman Institute for Advanced Science and Technology at the University of Illinois, Urbana—Champaign. M.J.R. gratefully acknowledges the Arnold and Mabel Beckman Foundation for a Beckman Institute Postdoctoral Fellowship. R.C.R.G. acknowledges support from AFOSR (FA9550-16-1-0017). We thank Dorothy Loudermilk and Payton Focken for assistance with graphics and Dr. Jason Patrick for helpful discussions. Author Contributions: M.J.R. and W.L. contributed equally. The authors declare no competing financial interest.
Published - acscentsci.6b00198.pdf
Supplemental Material - oc6b00198_si_001.pdf