NDLI: Segmental mobility and relaxation processes of Fe2O3 nanoparticle-loaded fast ionic transport nanocomposite gel polymer electrolyte

Content Provider	Springer Nature Link
Author	Kumar, R. Suthanthiraraj, S. Austin
Copyright Year	2014
Abstract	The interaction of Fe2O3 nanoparticles emphasized between poly(propylene glycol) (PPG 4000) and silver triflate (AgCF3SO3) on the conformal changes of coordination sites and the electrochemical properties have been investigated. On the influence of Fe2O3 nanoparticles distribution, the interactions between the ether oxygen in C–O–C of the polymer chain with Ag+ ion as a result of bond strength of the C–O–C stretching vibration, the end group effect has been examined by Fourier transform infrared (FT-IR) spectroscopy. The formation of transient cross-links between polymer chains and filler particles appears to be a characteristic change in the glass transition temperature (T g) and enhance the effective number of cations as well. The strength of ion–polymer interactions was revealed by the transport of ions, t Ag+, and found to be in the range of 0.42–0.50, and the ionic conductivity was ascertained by complex impedance analysis with a maximum of 9.2 × 10−4 S cm−1 at 298 K with a corresponding concentration of 10 wt% Fe2O3 nanoparticles. The temperature dependence of conductivity has been examined based on the Vogel–Tammann–Fulcher (VTF) equation, thereby suggesting the segmental chain motion and free volume changes. From the impedance data, both the dielectric and modulus behaviours have been revealed and both were well correlated as a function of frequency.
Starting Page	1647
Ending Page	1656
Page Count	10
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	18
Issue Number	6
e-ISSN	14330768
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-02-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Poly(propylene glycol) AgCF3SO3 Fe2O3 Dielectric constant Electrical modulus Physical Chemistry Electrochemistry Energy Storage Characterization and Evaluation of Materials Analytical Chemistry Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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