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  4. Wafer-scale fabrication of mesoporous silicon functionalized with electrically conductive polymers
 
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Wafer-scale fabrication of mesoporous silicon functionalized with electrically conductive polymers

Citation Link: https://doi.org/10.15480/882.13065
Publikationstyp
Journal Article
Date Issued
2024-08-01
Sprache
English
Author(s)
May, Manfred  
Material- und Röntgenphysik M-2  
Boderius, Mathis
Gostkowska-Lekner, Natalia  
Busch, Mark  orcid-logo
Material- und Röntgenphysik M-2  
Habicht, Klaus  
Hofmann, Tommy  orcid-logo
Huber, Patrick  orcid-logo
Material- und Röntgenphysik M-2  
TORE-DOI
10.15480/882.13065
TORE-URI
https://hdl.handle.net/11420/47880
Journal
Microporous and mesoporous materials  
Volume
376
Article Number
113181
Citation
Microporous and Mesoporous Materials 376: 113181 (2024)
Publisher DOI
10.1016/j.micromeso.2024.113181
Scopus ID
2-s2.0-85194960802
Publisher
Elsevier
Is Supplemented By
10.15480/882.9049
The fabrication of hybrid materials consisting of nanoporous hosts with conductive polymers is a challenging task, since the extreme spatial confinement often conflicts with the stringent physico-chemical requirements for polymerization of organic constituents. Here, several low-threshold and scalable synthesis routes for such hybrids are presented. First, the electrochemical synthesis of composites based on mesoporous silicon (pSi) and the polymers PANI, PPy and PEDOT is discussed and validated by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). Polymer filling degrees of ≥74 % are achieved. Second, the production of PEDOT/pSi hybrids, based on the solid-state polymerization (SSP) of DBEDOT to PEDOT is shown. The resulting amorphous structure of the nanopore-embedded PEDOT is investigated via in-situ synchrotron-based X-ray scattering. In addition, a twofold increase in the electrical conductivity of the hybrid compared to the porous silicon host is shown, making this system particularly promising for thermoelectric applications.
Subjects
Conductive polymers PEDOT, PPy, PANI
Electrochemical synthesis
Mesoporous silicon
Organic-inorganic hybrid
Solid state polmerization
DDC Class
620.11: Engineering Materials
Funding(s)
SFB 986: Teilprojekt B02 - Feste und leichte Hybridwerkstoffe auf Basis nanoporöser Metalle  
Projekt DEAL  
Lizenz
https://creativecommons.org/licenses/by/4.0/
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