Issue 41, 2023

High-performing TiO2 flower-like nanostructures based on flexible MWCNTs for dual-band terahertz absorption

Abstract

In science and technology, nanostructures play a vital role in the development of devices based on electronics and photonics. In this research work, we synthesized TiO2 flower-like nanostructures and characterized them using terahertz (THz)-time domain spectroscopy of transmission mode in the range of 0.1 to 3.0 THz. We employed a single-step hydrothermal technique to synthesize TiO2 flower-like nanostructures on semiconducting flexible multiwalled carbon nanotubes without the use of an expensive or complex synthesis or fabrication experimental setup. Excellent wide dual-band absorption was observed between 0.1 and 3.0 THz. The fabricated sample was annealed to increase the crystallinity and surface area of the flower like nanostructures. This resulted in an increase in the amplitude and frequency of the THz absorption. Similar behavior was observed in the study of THz optical density and refractive index. We obtained a novel solution for the enhancement of multiband terahertz absorption and potential application in the field of THz detection.

Graphical abstract: High-performing TiO2 flower-like nanostructures based on flexible MWCNTs for dual-band terahertz absorption

  • This article is part of the themed collection: #MyFirstJMCC

Supplementary files

Article information

Article type
Paper
Submitted
09 avr. 2023
Accepted
15 sept. 2023
First published
19 sept. 2023

J. Mater. Chem. C, 2023,11, 14199-14206

High-performing TiO2 flower-like nanostructures based on flexible MWCNTs for dual-band terahertz absorption

G. Singh, S. Nimanpure, N. Acharyya, S. Rane, D. Roychowdhury, B. P. Singh, J. S. Tawale, R. Sharma and M. Jewariya, J. Mater. Chem. C, 2023, 11, 14199 DOI: 10.1039/D3TC01244A

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