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. 2022 Feb 26;9(12):2102220. doi: 10.1002/advs.202102220

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© 2022 The Authors. Advanced Science published by Wiley‐VCH GmbH

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Characterization of CUP/PT composites. a) Photographs of tubular CUP/PT composites. b) NIR‐II photothermal properties of PT, 1‐CUP/PT, 2‐CUP/PT, and 4‐CUP/PT under 1064 nm laser (0.5 W cm⁻²) excitation for 2 min. c) Photothermal stability of the 2‐CUP/PT under six repetitive NIR‐II laser on/off cycles at a power density of 0.5 W cm⁻². d) Compressive Young's moduli of different CUP/PT composites (n = 3). e) Degradation profile of the as‐mentioned CUP/PT composites in PBS buffer (n = 3). Cumulative release of f) Cu and g) Si ions from indicated CUP/PT composites (n = 3). All data are presented as mean ± SD. Statistical analysis was performed using one‐way ANOVA analysis, **p < 0.01, ***p < 0.001.