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Nanoengineering Liquid Metal Core-Shell Nanostructures
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DOI：10.1002/adfm.202311300.png)
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摘要
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Nanoengineering the composition and morphology of functional nanoparticles endows them to perform multiple tasks and functions. An intriguing strategy for creating multifunctional nanomaterials involves the construction of core-shell nanostructures, which have enabled promising applications in biomedicine, energy, sensing, and catalysis. Here, a straightforward nanoengineering approach is presented utilizing liquid metal nanoparticles and galvanic replacement to create diverse core-shell nanostructures. Controlled nanostructures including liquid metal core-gold nanoparticle shell (LM@Au), gold nanoparticle core-gallium oxide shell (Au@Ga oxide), and hollow Ga oxide nanoparticles are successfully fabricated. Remarkably, these investigations reveal that LM@Au exhibits exceptional photothermal performance, achieving an impressive conversion efficiency of 65.9%, which is five times that of gold nanoparticles. By leveraging the high photothermal conversion efficiency and excellent biocompatibility of LM@Au, its promising application in hyperthermia cancer therapy is demonstrated. This simple yet powerful nanoengineering strategy opens new avenues for the controlled synthesis of complex core-shell nanostructures, advancing various fields beyond biomedicine. A powerful nanoengineering strategy is developed utilizing liquid metal and galvanic replacement to enable the delicate manipulation of tailored liquid metal core-shell nanostructures, facilitating the on-demand production of innovative nanostructures. The superior stability and photothermal conversion efficiency of LM@Au core-shell nanostructures are harnessed exhibiting promise in photothermal cancer therapy.image
Keyword:
core-shell nanostructures
galvanic replacement
liquid metals
photothermal conversion efficiency
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期刊
IF:
19
论文数:
3.5W
被引数:
32.1W
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