Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.2053
Fulltext available Open Access
Publisher DOI: 10.1016/j.apmt.2018.10.002
Title: Photonic materials for high-temperature applications: synthesis and characterization by X-ray ptychographic tomography
Language: English
Authors: Furlan, Kaline P. 
Larsson, Emanuel 
Diaz, Ana 
Holler, Mirko 
Krekeler, Tobias 
Ritter, Martin  
Petrov, Alexander Yu.  
Eich, Manfred 
Blick, Robert 
Schneider, Gerold A. 
Greving, Imke 
Zierold, Robert 
Janßen, Rolf 
Keywords: Ptychography X-ray computed tomography;3D image analysis;Low-temperature atomic layer deposition;Photonic materials;High-temperature applicationsa
Issue Date: 1-Dec-2018
Publisher: Elsevier
Source: Applied Materials Today (13): 359-369 (2018-12-01)
Journal or Series Name: Applied materials today 
Is supplemented by: 10.17632/zn49dsk7x6.1
Abstract (english): Photonic materials for high-temperature applications need to withstand temperatures usually higher than 1000 °C, whilst keeping their function. When exposed to high temperatures, such nanostructured materials are prone to detrimental morphological changes, however the structure evolution pathway of photonic materials and its correlation with the loss of material's function is not yet fully understood. Here we use high-resolution ptychographic X-ray computed tomography (PXCT) and scanning electron microscopy (SEM) to investigate the structural changes in mullite inverse opal photonic crystals produced by a very-low-temperature (95 °C) atomic layer deposition (ALD) super-cycle process. The 3D structural changes caused by the high-temperature exposure were quantified and associated with the distinct structural features of the ceramic photonic crystals. Other than observed in photonic crystals produced via powder colloidal suspensions or sol-gel infiltration, at high temperatures of 1400 °C we detected a mass transport direction from the nano pores to the shells. We relate these different structure evolution pathways to the presence of hollow vertexes in our ALD-based inverse opal photonic crystals. Although the periodically ordered structure is distorted after sintering, the mullite inverse opal photonic crystal presents a photonic stopgap even after heat treatment at 1400 °C for 100 h.
URI: http://hdl.handle.net/11420/2057
DOI: 10.15480/882.2053
ISSN: 2352-9407
Institute: Keramische Hochleistungswerkstoffe M-9 
Betriebseinheit Elektronenmikroskopie M-26 
Optische und Elektronische Materialien E-12 
Type: (wissenschaftlicher) Artikel
Project: SFB 986: Teilprojekt C2 - Keramikbasierte hochtemperaturstabile Wärmestrahlungsreflektoren und Strukturfarben 
SFB 986: Teilprojekt C5 - Oxidische Hochtemperatur-Schutzschichtsysteme mittels angepasster Porenstruktur 
SFB 986: Zentralprojekt Z3 - Elektronenmikroskopie an multiskaligen Materialsystemen 
License: In Copyright In Copyright
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