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Vol. 37 No. 1 (2025): Vol 37 Issue 1, 2025

Copyright (c) 2024 V. Manjunath, A. Thulasi, N. Y. Sreedhar, S. Himagirish Kumar, K. Susmitha, N.V. Srihari, D. Sai Vinathi, V. Thangaraj

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Structural, Morphological and Electrochemical Studies of Synthesized BaCuTiO3 Doped NiTiO3 Nanocomposites for Energy Storage Application

https://doi.org/10.14233/ajchem.2025.32931
A. Thulasi
Electroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, India
https://orcid.org/0000-0002-8367-6641
N.Y. Sreedhar
Electroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, India
https://orcid.org/0009-0000-5798-2517
S. Himagirish Kumar
Department of Chemistry, Sri Padmavati Women’s University, Tirupati-517502, India
https://orcid.org/0000-0003-4686-0615
Karumanchi Susmitha
Electroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, India
https://orcid.org/0009-0005-4502-1248
V. Manjunath
Department of Physics, Sri Padmavati Women’s University, Tirupati-517502, India
https://orcid.org/0000-0002-4985-6673
N.V. Srihari
Department of Physics, TRR Government Degree College, Kandukur-523105, India
D. Sai Vinathi
DST-CURIE Center, Sri Padmavati Women’s University, Tirupati-517502, India
V. Thangaraj
Department of Chemistry, University College of Engineering (BIT Campus), Anna University, Tiruchirappalli-620024, India
https://orcid.org/0000-0002-8609-4962

Corresponding Author(s) : N.Y. Sreedhar

sreedhar_ny@rediffmail.com

Asian Journal of Chemistry, Vol. 37 No. 1 (2025): Vol 37 Issue 1, 2025

Abstract

This research explores the development of Ba0.8Cu0.2TiO3 and NiTiO3 nanocomposites for use in high-performance flexible piezoelectric energy harvesters (FPEHs). This study aims to address the brittleness of traditional piezoceramics by developing flexible nanocomposites that are compatible with wearable electronics. The nanocomposites were synthesized and characterized using various techniques including X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS), Fourier-transform infrared spectroscopy (FTIR), ultraviolet-visible spectroscopy (UV-Vis), photoluminescence (PL), vibrating sample magnetometry (VSM) and X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (C-V) measurements were employed to evaluate the electrical properties, while piezoelectric modeling and various circuit designs were explored to optimize energy efficiency. The results demonstrate that the addition of NiTiO3 to Ba0.8Cu0.2TiO3 alters the electrical and magnetic properties of the composite, enhancing its suitability for energy storage applications. The energy storage applications of the nanocomposites were evaluated by measuring output voltage, stored energy, open-circuit voltage and short-circuit current. These findings indicated that Ba0.8Cu0.2TiO3-NiTiO3 nanocomposites are the promising materials for flexible piezoelectric energy harvesters, offering improved mechanical flexibility, energy conversion efficiency and environmental stability. This work contributes to the advancement of sustainable energy solutions for powering low-power electronics and portable devices.

Keywords

Piezoelectrics Nanocomposites Electromechanical coefficient Wearable energy harvesters Open circuit voltage
Thulasi, A., Sreedhar, N., Kumar, S. H., Susmitha, K., Manjunath, V., Srihari, N., … Thangaraj, V. (2024). Structural, Morphological and Electrochemical Studies of Synthesized BaCuTiO3 Doped NiTiO3 Nanocomposites for Energy Storage Application. Asian Journal of Chemistry, 37(1), 155–165. https://doi.org/10.14233/ajchem.2025.32931
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