Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 193, Issue -, Pages 181-188Publisher
ELSEVIER
DOI: 10.1016/j.mseb.2014.12.012
Keywords
Green synthesis; Ammonium perchlorate; Composite solid propellant; Burning rate catalyst; DSSC
Funding
- Research funds of Chonbuk National University
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In this paper, we report on the green synthesis of cobalt oxide nanoparticles (Co3O4 NPs) using leaves extract of plant Calotropis gigantea and characterize by X-ray diffraction (XRD), UV-vis spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive Xray spectroscopy (EDX). The green synthesized Co3O4 NPS showed excellent catalytic effect on the thermal decomposition of ammonium perchlorate (AP) and burning rate of composite solid propellants (CSPs). Kinetics of slow and rapid thermal decomposition has been investigated by isoconversional and ignition delay methods, respectively. Moreover, the electrocatalytic performance of green synthesized Co3O4 NPs in dye-sensitized solar cells (DSSC) has also been evaluated. The cyclic voltametry measurement shows good electrocatalytic activity of Co3O4 NPs toward the reduction of I-3(-) to I- ions. (C) 2014 Elsevier B.V. All rights reserved.
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