Different sized luminescent gold nanoparticles.

Different sized luminescent gold nanoparticles.
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DOI:
10.1039/c2nr31192e
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发表时间:
2012-07-21
期刊:
影响因子:
6.7
通讯作者:
Liu J
Liu J
中科院分区:
材料科学2区
文献类型:
--
作者:
Zheng J;Zhou C;Yu M;Liu J

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经过十多年的努力,已经研制出大量不同尺寸和表面化学性质的高发光金属纳米颗粒。虽然纳米粒子的发光通常归因于粒径效应,但表面配体、金属原子的价态和纳米粒子的结晶度等其他结构参数也对纳米粒子的发光特性和机理有重要影响。在这篇微型综述中,我们总结了用于制造从几个原子到数百万原子大小的发光金纳米粒子的策略,并讨论了这些结构因素如何影响它们的光致发光。
After one-decade’s efforts, a large amount of highly luminescent metal nanoparticles with different sizes and surface chemistries have been developed. While the luminescence is often attributed to particle size effect, other structural parameters such as surface ligands, valence states of metal atoms and crystallinity of nanoparticles also have significant influence on emission properties and mechanisms. In this minireview, we summarized the strategies used to create luminescent gold nanoparticles with size from few to millions of atoms and discussed how these structural factors affect their photoluminescence.
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