Optical detection of single nano-objects by transient absorption microscopy

被引：34
作者：
Lo, Shun Shang [1 ]
Devadas, Mary Sajini [1 ]
Major, Todd A. [1 ]
Hartland, Gregory V. [1 ]
机构：
[1] Univ Notre Dame, Dept Chem & Biochem, Notre Dame, IN 46556 USA
来源：
ANALYST | 2013年 / 138卷 / 01期
基金：
美国国家科学基金会;
关键词：
ACOUSTIC VIBRATIONS; METAL NANOPARTICLES; QUANTUM DOTS; DYNAMICS; ULTRAFAST; SEMICONDUCTOR; SPECTROSCOPY; SENSITIVITY; NANOWIRES; MOLECULES;
D O I：
10.1039/c2an36097g
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In recent years there has been considerable effort in developing ultra-sensitive imaging techniques based on absorption. This mini-review describes recent results from our laboratory on detecting single nano-objects using transient absorption microscopy. This technique is extremely flexible, allowing the detection of single semiconductor and metal nanostructures with high sensitivity. The goal of this review is to illustrate key points in implementing transient absorption microscopy for ultra-sensitive detection, as well as to discuss the advantages and disadvantages of this technique compared to other optical absorption based methods.
引用
收藏
页码：25 / 31
页数：7
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