Pump-probe micro-spectroscopy and 2D materials

doi:10.1088/1361-6463/ab77dc

2020-08-26

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DOI：10.1088/1361-6463/ab77dc

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摘要

En 中文

Excited-state dynamics provides an intrinsic molecular contrast in the examination of samples. With its excellent spatial-temporal resolution, superior detection sensitivity, and chemical specificity, pump-probe microscopy has become a powerful technique for monitoring these dynamics in nonfluorescent chromophores and nanomaterials. In this paper, we aim to provide a detailed discussion on their background, working mechanisms, and experimental setups, as well as investigating the advantages of pump-probe micro-spectroscopy. We explore carrier dynamics in prevailing two-dimensional materials such as TMDCs, graphene, black phosphorus, perovskite materials, and various heterostructures, in the context of pump-probe micro-spectroscopy. This review may help elucidate the basic characteristics of carrier excitation dynamics in 2D materials, and contribute to the design and optimization of related optoelectronic devices.

Keyword:

ultrafast pump-probe transient absorption spectroscopy

carrier dynamics

2D materials

heterostructures

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期刊

Journal of Physics D-Applied Physics

IF:

3.2

论文数:

2.6W

被引数:

4.9W

机构

shenzhen university

学者数:

4.6W

论文数: 3.4W

被引数: 72

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