Abstract A facile one-step method is proposed to prepare well-dispersed Cu nanoparticles (Cu-NPs) encapsulated into carbonized bacterial cellulose (CBC). Bacterial cellulose (BC) is employed as a template, carbon source and the product of thermal decomposition of BC functions as reducing agent and protecting agent, with Cu nitrate employed as the metal precursors. The Cu-NPs are uniformly dispersed in the fibrous network of CBC and the size of the Cu-NPs can be controlled by regulating the experimental conditions. The detailed structures and morphologies of Cu-NPs encapsulated into CBC are systematically characterized. The results demonstrate that the obtained composites are perfect core-shell structure, which show excellent oxidation resistance and stability.

中文翻译：

---

轻松合成封装在碳化细菌纤维素中的铜纳米粒子，具有优异的抗氧化性和稳定性

摘要 提出了一种简便的一步法制备封装在碳化细菌纤维素 (CBC) 中的分散良好的铜纳米粒子 (Cu-NPs)。细菌纤维素(BC)用作模板、碳源，BC热分解产物用作还原剂和保护剂，硝酸铜用作金属前体。Cu-NPs 均匀分散在 CBC 的纤维网络中，Cu-NPs 的大小可以通过调节实验条件来控制。系统地表征了封装在 CBC 中的 Cu-NPs 的详细结构和形态。结果表明，所得复合材料具有完美的核壳结构，具有优异的抗氧化性和稳定性。