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冯宇华教授和陈虹宇教授课题组在Angew. Chem. Int. Ed.发表研究论文
 添加时间:2020/09/09 发布:

Fine-tuning the Homometallic Interface of Au-on-Au Nanorods and their Photothermal Therapy in NIR-II Window

Jia Jia,a Gongyuan Liu,b Wenjia Xu,a Xiaoli Tian,a Shuaibin Li,a Fei Han,a Yuhua Feng,*,a Xiaochen Dong,*,b and Hongyu Chen*,a

aInstitute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University, Nanjing 211816, China

bKey Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Physical and Mathematical Sciences, Nanjing Tech University, Nanjing 211800, China

Abstract: The localized surface plasmon resonance (LSPR) of plasmonic nanomaterials is highly dependent on their structures. Going beyond simple shape and size, methods of further structural modification usually involve the growth of a wetting layer on seeds, or the growth of a non-wetting island. In general, the structural tunability is still low and it hinders the exploration of plasmonic nanostructures. Here, we provide two new dimensions of synthetic controls in Au-on-Au homometallic nanohybrids: the number of the Au islands and the emerging shapes. By controlling the interfacial energy and growth kinetics, a series of Au-on-AuNR hybrid structures are successfully obtained, with the newly grown Au domains being sphere and branched wire (nanocoral). The structural variety allowed the LSPR to be fine-tuned in full spectrum range, making them excellent candidates for plasmonic applications. Importantly, the nanocorals exhibit black-body absorption and outstanding photothermal conversion capability in NIR-II window. In vitro and in vivo experiments verified them as excellent photothermal therapy and photoacoustic imaging agents.

Angew. Chem. Int. Ed. 2020, 59 (34), 14443-14448. (2020年影响因子: 12.959).

论文链接:https://onlinelibrary.wiley.com/doi/full/10.1002/anie.202000474

X-MOL 资讯链接:https://www.x-mol.com/news/454799

WileyChem资讯链接:https://mp.weixin.qq.com/s/Qr-1rVYzfpUZQwVIjTrgtA

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