Nanoscale Mapping of Semi‐Crystalline Polypropylene

Abrams, Kerry J.; Wan, Qing; Stehling, Nicola; Jiao, Chengge; Talari, Abdullah Chandra Sekhar; Rehman, Ihtesham Ur; Rodenburg, Cornelia

doi:10.1002/pssc.201700153

Cited by 5 publications

(1 citation statement)

References 23 publications

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“…There has been rapid progress in the ability of SEHI to resolve crystallinity [113,105,89,13] and functionalisation including crosslinking [82] in polymers, which as well as developing LV-SEM into a versatile characterisation tool, has provided new insights into comparatively well characterised polymers.…”

Section: Applications Of Sehimentioning

confidence: 99%

Secondary electron hyperspectral imaging: Nanostructure and chemical analysis for the LV-SEM

Nohl

2020

Materials Science and Technology

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Materials engineers have increasing control over nanoscale chemical composition and nanostructures. The latter can be easily analysed by the scanning electron microscope (SEM) yet nanoscale chemical analysis in the SEM poses challenges. Nevertheless, nanoscale chemical analysis capabilities have been developed in the LV-SEM by secondary electron hyperspectral imaging (SEHI). In this article, the insights that SEHI has provided into well characterised semiconductor, photovoltaic, polymer and hard carbon materials are reviewed. Instrument and experimental considerations for the obtainment of secondary electron hyper-spectra are discussed and recommendations for future analyses in the LV-SEM by SEHI are made.

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Section: Applications Of Sehimentioning

confidence: 99%

Secondary electron hyperspectral imaging: Nanostructure and chemical analysis for the LV-SEM

Nohl

2020

Materials Science and Technology

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Making Sense of Complex Carbon and Metal/Carbon Systems by Secondary Electron Hyperspectral Imaging

et al. 2019

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Carbon and carbon/metal systems with a multitude of functionalities are ubiquitous in new technologies but understanding on the nanoscale remains elusive due to their affinity for interaction with their environment and limitations in available characterization techniques. This paper introduces a spectroscopic technique and demonstrates its capacity to reveal chemical variations of carbon. The effectiveness of this approach is validated experimentally through spatially averaging spectroscopic techniques and using Monte Carlo modeling. Characteristic spectra shapes and peak positions for varying contributions of sp2‐like or sp3‐like bond types and amorphous hydrogenated carbon are reported under circumstances which might be observed on highly oriented pyrolytic graphite (HOPG) surfaces as a result of air or electron beam exposure. The spectral features identified above are then used to identify the different forms of carbon present within the metallic films deposited from reactive organometallic inks. While spectra for metals is obtained in dedicated surface science instrumentation, the complex relations between carbon and metal species is only revealed by secondary electron (SE) spectroscopy and SE hyperspectral imaging obtained in a state‐of‐the‐art scanning electron microscope (SEM). This work reveals the inhomogeneous incorporation of carbon on the nanoscale but also uncovers a link between local orientation of metallic components and carbon form.

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Insights into surface chemistry down to nanoscale: An accessible colour hyperspectral imaging approach for scanning electron microscopy

Nohl,

Farr,

Sun

et al. 2023

Materials Today Advances

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Nanoscale Mapping of Semi‐Crystalline Polypropylene

Cited by 5 publications

References 23 publications

Secondary electron hyperspectral imaging: Nanostructure and chemical analysis for the LV-SEM

Secondary electron hyperspectral imaging: Nanostructure and chemical analysis for the LV-SEM

Making Sense of Complex Carbon and Metal/Carbon Systems by Secondary Electron Hyperspectral Imaging

Insights into surface chemistry down to nanoscale: An accessible colour hyperspectral imaging approach for scanning electron microscopy

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