Applying Raman & PL Microscopy to Materials Characterisation - Webinar
Автор: Edinburgh Instruments
Загружено: 2020-12-16
Просмотров: 874
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In this webinar, we explore how both techniques can be applied to the characterisation of different materials classes using the RMS1000 Confocal Raman & PL Microscope. Topics covered will include the Raman imaging of 2D nanomaterials such as graphene and TMDC monolayers, layer composition analysis in multilayer materials, and the spectral & lifetime PL imaging of semiconductors.
0:00 Introduction
1:52 Outline
3:50 Layout of a Confocal Microscope
7:44 Edinburgh Instruments RM5 & RMS1000
8:49 Raman Spectroscopy of Graphene
10:28 Graphene Defects
11:12 Mapping of Graphene Defect Density
12:52 Mono vs Multi-Layer Graphene
14:38 TMD Monolayers
19:07 Photoluminescence of Mos
21:27 Surface Coverage & Quality of TMDC Films
23:02 Multilayer Samples & Depth Profiling
24:08 The Challenge
24:58 Role of the Confocal Pinhole
27:21 Pinhole Size
29:27 Example: PET-PVC-PET Polymer Stack
32:16 What are Perovskites?
32:47 Hybrid Perovskite Solar Cells
33:36 PL of Solar Cells
34:57 CNT Hole Extraction Layer
37:16 PL Intensity Mapping
39:45 PL Lifetime Mapping: TCSPC
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