Indian Science Technology and Engineering facilities Map
Supplier Map
Service Map


Publication Details

Central University of Tamil Nadu 
Gouthami Nallamuthu, Sakthivel Thangavel, Kiranpreethi Kirubakaran, Vinesh Vasudevan, Yuvaraj Sivalingam, Gunasekaran Venugopal 
Corresponding Authors:
Gunasekaran Venugopal 
DOI #:
Study of structural and electrochemical properties of La2SrV2O9 perovskites prepared using ball-milling 
Applied Surface Science 
Perovskites, ball milling, Supercapacitors, Cyclic voltammetry, Specific capacitance, Capacitance retention 
In response to the changing global landscape, energy has become a primary focus of the major world powers and scientific community. There has been great interest in developing and refining more efficient energy storage devices. Owing to their outstanding physical properties, perovskite nanostructures continue to attract considerable scientific and commercial interest. Hence, in this present study, La2SrV2O9 perovskites are synthesized using ball milling technique with different milling time such as 10, 15, 20 and 25 h. Thermogravimetric and Differential scanning analysis were performed in order to find its thermal properties. The structural and morphological characterizations such as XRD, SEM and FT-IR are performed in order to find out the crystalline nature, surface morphology and functional groups of the samples. X-ray diffraction studies further ensure that 20 h milled sample shows good crystallization nature. The electrochemical properties of La2SrV2O9 perovskites were studied by using Cyclic Voltammetry. This reveals that the sample (20 h milled) shows higher specific capacitance compared to other samples which could be due to the formation of good crystallization. In addition, we noticed better capacitance even after 500 cycles from the capacitance retention study. Our results strongly demonstrate that the novel La2SrV2O9 perovskites are suitable and potential candidate in the development of futuristic electrode materials for supercapacitor applications. 
Entered by:
Gunasekaran Venugopal on 2020-08-30 
I-Mitra(आई-मित्र) Welcomes You..
It has always been the basic tenet of the Government of India, in generously funding R&D efforts at academic institutions over the years, that facilities established through such support be made available to those needing them and qualified to make use of them for their own research work

However, this was never easy or straightforward for, among other reasons, there was no ready source of information of what facility was available and where. Thanks to the Web, it is much easier today to have a national and regional “inventory of resources”, so as to match users with the resources they need, and to do all this in an efficient and transparent manner.

This can lead to a leap in R&D productivity and greatly enhance the effectiveness of public investment. This is the motivation behind I-STEM.
read less <<
Visitor Hit Counter
Hosted at Indian Institute of Science
Copyright © 2020 I-STEM. All rights reserved.
Audited by: STQC Bengaluru.