ISIS Neutron and Muon Source Data Journal

Jump diffusion of small molecules in polymers – influence of grafting on the mechanism of diffusion.

Abstract: The concept of diffusion of light gases through polymers is a widely used in a variety of commercially available materials - food packaging materials, solar cell encapsulants, industrial separation membranes - with the entire field relying on the assumption that different polymers transport gases at different rates through them. The entire field rests upon the idea that diffusion of gases through polymers operate through a jump diffusion mechanism and by tuning the chemistry of the system, you can alter this and therefore alter the macroscopic diffusion coefficient. Our work aims to show that nanocomposites can solve problems faced by more traditional membranes (loss of function with time, brittleness .etc.) while simultaneously providing an experimental technique to probe the mechanism and measure microscopic diffusion parameters, thus providing a new framework for separation membranes.

Principal Investigator: Dr Sanat Kumar
Experimenter: Mr Mayank Jhalaria
Local Contact: Dr Victoria Garcia Sakai

DOI: 10.5286/ISIS.E.RB1910201

ISIS Experiment Number: RB1910201

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Dr Sanat Kumar et al; (2019): Jump diffusion of small molecules in polymers – influence of grafting on the mechanism of diffusion., STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1910201

Data is released under the CC-BY-4.0 license.