Polymer-derived SiCN and SiOC ceramics-structure and energetics at the nanoscale

Gabriela Mera; Alexandra Navrotsky; Sabyasachi Sen; Hans Joachim Kleebe; Ralf Riedel

doi:10.1039/c2ta00727d

Polymer-derived SiCN and SiOC ceramics-structure and energetics at the nanoscale

Gabriela Mera, Alexandra Navrotsky, Sabyasachi Sen, Hans Joachim Kleebe, Ralf Riedel

Research output: Contribution to journal › Article › peer-review

276 Scopus citations

Abstract

The complex nanodomain structure and energetic features of polymer-derived SiCN and SiOC ceramics have been investigated by multinuclear 1D and 2D solid-state NMR, micro-Raman, SAXS, XRD, HRTEM and oxidative high temperature oxide melt solution calorimetry, respectively. Structural models consistent with all these lines of evidence put emphasis on interconnected fractal domains stabilized by the mixed-bond-structure and interface bonding between nanodomains. The structural and thermodynamic role of hydrogen in the stabilization of interfacial bonding between the nanodomains in polysilylcarbodiimide-derived SiCN is reported as well.

Original language	English (US)
Pages (from-to)	3826-3836
Number of pages	11
Journal	Journal of Materials Chemistry A
Volume	1
Issue number	12
DOIs	https://doi.org/10.1039/c2ta00727d
State	Published - Mar 28 2013
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Renewable Energy, Sustainability and the Environment
General Materials Science

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abstract = "The complex nanodomain structure and energetic features of polymer-derived SiCN and SiOC ceramics have been investigated by multinuclear 1D and 2D solid-state NMR, micro-Raman, SAXS, XRD, HRTEM and oxidative high temperature oxide melt solution calorimetry, respectively. Structural models consistent with all these lines of evidence put emphasis on interconnected fractal domains stabilized by the mixed-bond-structure and interface bonding between nanodomains. The structural and thermodynamic role of hydrogen in the stabilization of interfacial bonding between the nanodomains in polysilylcarbodiimide-derived SiCN is reported as well.",

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AU - Mera, Gabriela

AU - Navrotsky, Alexandra

AU - Sen, Sabyasachi

AU - Kleebe, Hans Joachim

AU - Riedel, Ralf

PY - 2013/3/28

Y1 - 2013/3/28

N2 - The complex nanodomain structure and energetic features of polymer-derived SiCN and SiOC ceramics have been investigated by multinuclear 1D and 2D solid-state NMR, micro-Raman, SAXS, XRD, HRTEM and oxidative high temperature oxide melt solution calorimetry, respectively. Structural models consistent with all these lines of evidence put emphasis on interconnected fractal domains stabilized by the mixed-bond-structure and interface bonding between nanodomains. The structural and thermodynamic role of hydrogen in the stabilization of interfacial bonding between the nanodomains in polysilylcarbodiimide-derived SiCN is reported as well.

AB - The complex nanodomain structure and energetic features of polymer-derived SiCN and SiOC ceramics have been investigated by multinuclear 1D and 2D solid-state NMR, micro-Raman, SAXS, XRD, HRTEM and oxidative high temperature oxide melt solution calorimetry, respectively. Structural models consistent with all these lines of evidence put emphasis on interconnected fractal domains stabilized by the mixed-bond-structure and interface bonding between nanodomains. The structural and thermodynamic role of hydrogen in the stabilization of interfacial bonding between the nanodomains in polysilylcarbodiimide-derived SiCN is reported as well.

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Polymer-derived SiCN and SiOC ceramics-structure and energetics at the nanoscale

Abstract

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