Synthesis of Photothermally Stable Triangular Silver Nanoplates for SERS Applications, Photokilling of Bacteria

被引：16
|
作者：
Fan, Ranran [1 ]
Yang, Yushan [1 ]
Xue, Jin [1 ]
Zhang, Fang [1 ]
Sun, Jie [1 ]
Xu, Hui [2 ]
Jiang, Tingting [1 ]
机构：
[1] Ludong Univ, Sch Life Sci, Yantai 264025, Peoples R China
[2] Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China
来源：
CHEMNANOMAT | 2020年 / 6卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Silver nanoplates (AgNPls); Antimicrobial Photothermal therapy (aPTT); Surface enhanced Raman scattering (SERS) application; Near infra-red (NIR); Photothermal stability; SHAPE EVOLUTION; NANOPARTICLES; GOLD; NANOSTRUCTURES; HYDROQUINONE; INTERFACE; STABILITY; HEPES;
D O I：
10.1002/cnma.201900603
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We developed a facile seeded-growth strategy to synthesize triangular silver nanoplates with enhanced photothermal stability, in which zwitterionic buffers, hydroquinone (HQ) served as shape-directing, reducing agents, respectively. Compared to the Ag nanoplates synthesized by the thermal methods reported before, the Ag nanoplates prepared in this study still retained the sharp tips of nanoplates, maintained excellent near infra-red (NIR) surface plasmon resonance (SPR) properties after repeated NIR irradiation. The enhanced photothermal stability could enable the as-prepared Ag nanoplates serve as stable substrates for bacterial surface enhanced Raman scattering (SERS) applications. Meanwhile, the Ag nanoplates synthesized in this study also yielded a steady-state photothermal conversion efficiency up to 40%, giving effective photothermal therapy (PTT) towards antibiotic resistant bacteria.
引用
收藏
页码：148 / 153
页数：6
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