Investigation of electrical conductivity, optical property, and stability of 2D MXene nanofluid containing ionic liquids

Bakthavatchalam, B. and Habib, K. and Saidur, R. and Aslfattahi, N. and Rashedi, A. (2020) Investigation of electrical conductivity, optical property, and stability of 2D MXene nanofluid containing ionic liquids. Applied Sciences, 10 (24). pp. 1-20. ISSN 2076-3417

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Abstract

The addition of ionic liquids with MXene nanofluid has a substantial impact on the solar thermal collectors’ working fluid’s optical properties that effectively absorb and distribute solar radiation. Increased solar radiation absorption potential ensures that heats are transported more rapidly and effectively. This research endeavors to investigate the concept of accumulating solar energy via the usage of ionic liquid-based 2D MXene nanofluid (Ionanofluids) for solar applications. In this study, the optical potential of Diethylene Glycol/MXene nanofluid incorporated with 1-ethyl-3-methyl imidazolium octyl sulfate ([Emim][OSO4 ]) ionic liquid was extensively investigated with respect to MXene concentration (0.1 to 0.4 wt%) and time (first day and seventh day) through UV-Vis Spectroscopy. A two-step approach was employed to synthesize the proposed ionanofluids with nanoparticle concentrations from 0.1 to 0.4 wt%. In wavelengths between 240 to 790 nm, the effect of ionic liquids, MXene concentration, and dispersion stability played a significant part in enhancing the absorbance capacity of the formulated MXene based Ionanofluid. Furthermore, the increase in the concentration of MXene nanoparticles resulted in more absorbance peaks facilitating high light absorption. Finally, the electrical conductivity of the ionanofluids is also analyzed as MXene renders them promising for solar cell applications. The utmost electrical conductivity of the formulated fluids of 571 µS/cm (micro siemens per centimeter) was achieved at 0.4 wt% concentration.

Item Type:
Journal Article
Journal or Publication Title:
Applied Sciences
Subjects:
ID Code:
150451
Deposited By:
Deposited On:
13 Jan 2021 10:30
Refereed?:
Yes
Published?:
Published
Last Modified:
26 Jan 2021 12:51