Authors
|
Wysokowski, M. ; Motylenko, M. ; Beyer, J. ; ..., ; Tsurkan, M.
|
Title
|
Extrem biomimetic approach for developing novel chitin-GeO2 nanocomposites with photoluminescent properties
|
Date
|
01.07.2015
|
Number
|
48061
|
Abstract
|
This work presents an extreme biomimetics route for the creation of nanostructured biocomposites utilizing a chitinous template of poriferan origin. The specific thermal stability of the nanostructured chitinous template allowed for the formation under hydrothermal conditions of a novel germanium oxide-chitin composite with a defined nanoscale structure. Using a variety of analytical techniques (FTIR, Raman, energy dispersive X-ray (EDX), near-edge X-ray absorption fine structure (NEXAFS), and photoluminescence (PL) spectroscopy, EDS-mapping, selected area for the electron diffraction pattern (SAEDP), and transmission electron microscopy (TEM)), we showed that this bioorganic scaffold induces the growth of GeO2 nanocrystals with a narrow (150–300 nm) size distribution and predominantly hexagonal phase, demonstrating the chitin template’s control over the crystal morphology. The formed GeO2–chitin composite showed several specific physical properties, such as a striking enhancement in photoluminescence exceeding values previously reported in GeO2-based biomaterials. These data demonstrate the potential of extreme biomimetics for developing new-generation nanostructured materials.
|
Publisher
|
Nano Research
|
Wikidata
|
|
Citation
|
Nano Research 8 (2015) 2288-2301
|
DOI
|
https://doi.org/10.1007/s12274-015-0739-5
|
Tags
|
extreme biomimetics chitin–geo2 photoluminescence near-edge x-ray absorption fine structure (nexafs) spectroscopy
|