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The fate and role of in situ formed carbon in polymer-derived ceramics

Wen, Qingbo and Yu, Zhaoju and Riedel, Ralf (2020):
The fate and role of in situ formed carbon in polymer-derived ceramics.
In: Progress in Materials Science, (109), 2020. Pergamon-Elsevier Science LTD, p. 100623, ISSN 0079-6425, e-ISSN 1873-2208,
DOI: 10.1016/j.pmatsci.2019.100623,
[Online-Edition: https://www.sciencedirect.com/science/article/pii/S007964251...],
[Article]

Abstract

Polymer-derived ceramics (PDCs) have been intensively studied for nearly 50 years due to their unique advantages to producing ceramic fibers, coatings, foams, nanocomposites and for additive manufacturing. A phenomenon associated with the polymer-to-ceramic transformation process using organo-substituted silicon polymers as the starting material has been widely reported, namely, in situ formation of carbon within the generated silicon-based ceramic matrix. Interestingly, the precipitation of carbon depends to a great extent on the molecular structure of the preceramic polymer and significantly affects the composition, crystallization and decomposition behavior, microstructural evolution as well as the related structural and functional properties of PDCs. Thus, this review article highlights the recent progress in the PDC field with the focus on the fate and role of the in situ formed carbon. Firstly, a brief summary of the synthesis and processing of PDCs is provided, followed by the microstructural characterization of the formed ceramics. The in situ formation of carbon, precursor-carbon-morphology relation and high-temperature evolution of the carbon will be summarized. Secondly, the influence of the segregated carbon on the microstructure and its associated properties of the PDCs will be comprehensively highlighted. Finally, potential advanced structural and functional applications of the PDCs related to the carbon are evaluated.

Item Type: Article
Erschienen: 2020
Creators: Wen, Qingbo and Yu, Zhaoju and Riedel, Ralf
Title: The fate and role of in situ formed carbon in polymer-derived ceramics
Language: English
Abstract:

Polymer-derived ceramics (PDCs) have been intensively studied for nearly 50 years due to their unique advantages to producing ceramic fibers, coatings, foams, nanocomposites and for additive manufacturing. A phenomenon associated with the polymer-to-ceramic transformation process using organo-substituted silicon polymers as the starting material has been widely reported, namely, in situ formation of carbon within the generated silicon-based ceramic matrix. Interestingly, the precipitation of carbon depends to a great extent on the molecular structure of the preceramic polymer and significantly affects the composition, crystallization and decomposition behavior, microstructural evolution as well as the related structural and functional properties of PDCs. Thus, this review article highlights the recent progress in the PDC field with the focus on the fate and role of the in situ formed carbon. Firstly, a brief summary of the synthesis and processing of PDCs is provided, followed by the microstructural characterization of the formed ceramics. The in situ formation of carbon, precursor-carbon-morphology relation and high-temperature evolution of the carbon will be summarized. Secondly, the influence of the segregated carbon on the microstructure and its associated properties of the PDCs will be comprehensively highlighted. Finally, potential advanced structural and functional applications of the PDCs related to the carbon are evaluated.

Journal or Publication Title: Progress in Materials Science
Number: 109
Publisher: Pergamon-Elsevier Science LTD
Uncontrolled Keywords: Free carbon; Segregated carbon; Microstructure; High-temperature resistance; Structural and functional properties Single-Source-Precursor; C-N Ceramics; Silicon Oxycarbide Glasses; Microwave-Absorption Pproperties; Interferencee Shielding Properties; High-Temperature Behavior; Lithium-Ion Batteries; Solid-State NMR; Rich Sioc Ceramics; X-RAY-Diffraction
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Dispersive Solids
DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
Profile Areas
Profile Areas > From Material to Product Innovation (PMP
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis > Subproject A4: Novel functional ceramics using anionic substitution in oxidic systems
Date Deposited: 07 Feb 2020 07:46
DOI: 10.1016/j.pmatsci.2019.100623
Official URL: https://www.sciencedirect.com/science/article/pii/S007964251...
Projects: Profile Area of Technische Universitat Darmstadt "From Material to Product Innovation (PMP)", National Natural Science Foundation of China. Grant Number: 51872246, Alexander von Humboldt Foundation, German Research Foundation (DFG), Grant Number: DFG-SPP-1181, DFG-SPP-1473, DFG-SFB 595, Profile Area of Technische Universitat Darmstadt "Career Bridging Grant"
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