Luminescence properties of silicon-cellulose nanocomposite.

Content Provider	Europe PMC
Author	Pikulev, Vitaly Loginova, Svetlana Gurtov, Valery
Copyright Year	2012
Abstract	We have characterized the structure and luminescence properties for two-component material composed of nanocrystalline cellulose and nanocrystalline (less to 100 nm) silicon powder. An efficient and stable photoluminescence of nanocomposite, resistant to the influence of gas-phase oxidants, has been found. The obtained material has electret-like properties and demonstrates the possibility of multiple-recharging in an electric field near 5·103 V/cm at temperatures ranging from −70°C to 100°C. The presence of the electric field, as well as ozone or low-temperature plasma treatment, does not change the luminescence spectrum due to quantum size properties of silicon nanoparticles. We believe that these particles may appear in two states: both embedded in a cellulose matrix and in the form of mechanical mixture.
ISSN	19317573
Journal	Nanoscale Research Letters
Volume Number	7
PubMed Central reference number	PMC3464184
Issue Number	1
PubMed reference number	22849811
e-ISSN	1556276X
DOI	10.1186/1556-276x-7-426
Language	English
Publisher	Springer
Publisher Date	2012-07-31
Access Restriction	Open
Rights License	This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Copyright ©2012 Pikulev et al.; licensee Springer.
Subject Keyword	Nanosilicon Porous silicon Nanocellulose Photoluminescence Electret
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Condensed Matter Physics Materials Science