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Nanomaterials

Welding and patterning in a flash

Light-absorbing materials can exhibit exceptional photothermal effects as their characteristic dimensions approach the nanoscale. A flash welding technique that exploits the peculiar photothermal response of polyaniline nanofibres opens new avenues for processing and patterning polymer-based materials and devices.

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Figure 1: Illustration of changes in temperature and morphology that can occur to nanofibres on exposure to a flash of light.
Figure 2: Formation of polymer composites by flash welding.

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Correspondence to Younan Xia.

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Li, D., Xia, Y. Welding and patterning in a flash. Nature Mater 3, 753–754 (2004). https://doi.org/10.1038/nmat1245

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