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Spectroscopic Characterization of Polymers and Composite Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (1 June 2022) | Viewed by 2607

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Guest Editor
Institute of Materials Research and Quantum Engineering, Poznan University of Technology, Piotrowo 3, 60-965 Poznan, Poland
Interests: vibrational spectroscopy; optical diagnosis; biomaterials; biological materials; dental materials; caries diagnosis
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Special Issue Information

Dear Colleagues,

Spectroscopic techniques have been widely employed to evaluate specific chemical information about the composition and structure of various materials. In recent years, the development and increasing application of spectroscopic methods in the characterization of novel materials has been continuously observed. Spectroscopy is a suitable tool for polymers and composite materials analysis; is versatile, fast, almost nondestructive, and in many cases, also noninvasive; and requires minimum sample preparation and manipulation. Moreover, the spectroscopic system coupled with imaging and microscopic techniques can provide information about the microstructure of polymers and the distribution of components in composite at micro- or even nanoscales. The information on molecular structure, interactions, conformations, mobility, etc., as results of spectroscopic analyses facilitate the understanding of the macroscopic aspects of the materials.

The upcoming Special Issue "Spectroscopic Characterization of Polymers and Composite Materials" will focus on the latest information on applications of all the diverse branches of spectroscopy, including but not limited to mass, ICP, NMR, EPR, NQR, UV-Vis, XRD, EDX, FTIR, NIR and Raman spectroscopy, in polymers and composite materials characterization. This subject encompasses different aspects and scopes, including understanding of the formation, function, and stability of polymers and composite materials based on spectroscopic data. In this Issue, the research results of the multifunctional polymer-based materials (composites, coatings, and adhesives), stimuli-responsive materials, smart materials, new developments and designs of polymers and composites, and polymer nanocomposites may be included.

I would like to invite you to submit or recommend original research articles, communications, or review papers for the Special Issue of Applied Sciences, which aim to show recent developments and innovative applications in polymers and composite materials research. Articles should feature novelty and high-quality spectroscopic data and analysis, and may be related to fundamental as well as highly applied research.

Dr. Tomasz Buchwald
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • mass spectroscopy
  • vibrational spectroscopy
  • absorption spectroscopy
  • emission spectroscopy
  • nuclear spectroscopy
  • polymers
  • composite materials
  • nanocomposites
  • coatings
  • adhesives

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Published Papers (1 paper)

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Research

9 pages, 3052 KiB  
Article
Effect of Gamma Irradiation on the Optical Properties of the Conjugated Copolymer B-co-MP
by Osamah A. Aldaghri, Basma A. El-Badry, Mohammed Khalil M. Ali and Khalid H. Ibnaouf
Appl. Sci. 2022, 12(3), 1606; https://doi.org/10.3390/app12031606 - 3 Feb 2022
Cited by 12 | Viewed by 1872
Abstract
The conjugated polymer poly {[2-[2′,5′-bis(2″-ethylhexyloxy)phenyl]-1,4-phenylenevinylene]-co-[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylenevinylene]} (B-co-MP) has been proven to be an excellent laser medium with a high photochemical stability. Moreover, the impact of γ-irradiation on its optical and chemical properties has been investigated. Herein, the spectral and amplified spontaneous emission (ASE) characteristics [...] Read more.
The conjugated polymer poly {[2-[2′,5′-bis(2″-ethylhexyloxy)phenyl]-1,4-phenylenevinylene]-co-[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylenevinylene]} (B-co-MP) has been proven to be an excellent laser medium with a high photochemical stability. Moreover, the impact of γ-irradiation on its optical and chemical properties has been investigated. Herein, the spectral and amplified spontaneous emission (ASE) characteristics of B-co-MP at various concentrations under γ-irradiation doses are studied. Various concentrations of B-co-MP in tetrahydrofuran (THF) were prepared. The samples were irradiated with various γ-doses from 5 to 20 kGy using a Co-60 source at room temperature. The absorption, fluorescence, and ASE spectra were dramatically blue-shifted after the γ-irradiation. This indicates that the increment in the γ-irradiation dose led to a widening in the energy gap and reduction in the number of carbon atoms (N). The change in the spectral profiles could be attributed to chain conformational alterations and/or chain scission induced by the γ-irradiation. We anticipate this study to boost our understanding of optical and structural profiles of B-co-MP under various conditions, including γ-irradiation and the potential utility of this copolymer in a variety of applications. Full article
(This article belongs to the Special Issue Spectroscopic Characterization of Polymers and Composite Materials)
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