Exponential vs Gaussian Correlation Functions in the Characterization of Block Copolymer Grain Structure by Depolarized Light Scattering Article Swipe

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Xin Wang , Jacob L. Thelen , Xiuhong Li , Nitash P. Balsara , Bruce A. Garetz ·

YOU? · · 2023 · Open Access · · DOI: https://doi.org/10.1021/acs.macromol.3c01835

Block copolymer (BCP) grain structure affects the mechanical, optical, and electrical properties of BCP materials, making the accurate characterization of this grain structure an important goal. In this study, improved BCP grain parameters were obtained by employing an exponentially decaying correlation function within the ellipsoidal grain model, instead of the Gaussian correlation function that was used in previous work. The exponential correlation function provides a better fit to the experimental depolarized light scattering data, which outweighs the disadvantage that it requires numerical integration to obtain the model scattered intensity.

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Exponential function Gaussian Correlation function (quantum field theory) Scattering Dynamic light scattering Light scattering Statistical physics Materials science Copolymer Grain size Gaussian function Exponential decay Characterization (materials science) Exponential growth Work (physics) Physics Optics Thermodynamics Mathematics Mathematical analysis Composite material Nanotechnology Quantum mechanics Optoelectronics Polymer Dielectric Nanoparticle

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Type: article
Language: en
Landing Page: https://doi.org/10.1021/acs.macromol.3c01835
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References: 38
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DOI: https://doi.org/10.1021/acs.macromol.3c01835

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Title: Exponential vs Gaussian Correlation Functions in the Characterization of Block Copolymer Grain Structure by Depolarized Light Scattering

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Language: en

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Publication year: 2023

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Publication date: 2023-12-26

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Authors: Xin Wang, Jacob L. Thelen, Xiuhong Li, Nitash P. Balsara, Bruce A. Garetz

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Landing page: https://doi.org/10.1021/acs.macromol.3c01835

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Concepts: Exponential function, Gaussian, Correlation function (quantum field theory), Scattering, Dynamic light scattering, Light scattering, Statistical physics, Materials science, Copolymer, Grain size, Gaussian function, Exponential decay, Characterization (materials science), Exponential growth, Work (physics), Physics, Optics, Thermodynamics, Mathematics, Mathematical analysis, Composite material, Nanotechnology, Quantum mechanics, Optoelectronics, Polymer, Dielectric, Nanoparticle

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