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Synthesis and characterization of γ-ferric oxide nanoparticles and their effect on Solanum lycopersicum

  • Pollution control technologies and alternate energy options
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Abstract

γ-Ferric oxide nanoparticles are synthesized through modern and facile ayurvedic route followed by normal and special purification steps, which are both cost-effective and eco-friendly. These synthesized γ-ferric oxide nanoparticles were applied on Solanum lycopersicum to search the effect on chlorophyll content. This process involves multiple filtration and calcination steps. The synthesized samples were analyzed by X-ray diffraction (XRD), UV-visible (UV-vis) spectroscopy, transmission electron microscopy (TEM), vibrating sample magnetometry (VSM), and particle size analysis (PSA) to identify the purification step’s influence on the structural, optical, morphological, magnetic, and particle size properties of ferric oxide nanoparticles (γ-phase). X-ray diffraction has revealed that ferric oxide nanoparticles have rhombohedral structure of α-phase (hematite) in initial purification process later transformed into cubic structure γ-phase (maghemite). UV-vis spectroscopy analysis has clearly shown that by repetitive purification steps, λmax has increased from 230 to 340 nm. TEM result has an intercorrelation with XRD results. γ-Ferric oxide nanoparticles were tested on Solanum lycopersicum (tomato seeds). The changes in the contents of chlorophyll a, chlorophyll b, and total carotene were studied using spectral measurements at two different dosages—0.5 and 2 M. As a result, at 0.5-M concentration, magnetic nanoparticles exhibit fruitful results by increasing the crop yield and being more resistant to chlorosis.

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Authors and Affiliations

  1. Center for Nano Science and Technology, Institute of Science and Technology, Jawaharlal Nehru Technological University Hyderabad, Kukatpally, Hyderabad, 500085, India

    Tambur Pavani, K. Venkateswara Rao, Ch. Shilpa Chakra & Y. T. Prabhu

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  1. Tambur Pavani
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  2. K. Venkateswara Rao
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  3. Ch. Shilpa Chakra
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  4. Y. T. Prabhu
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Corresponding author

Correspondence to K. Venkateswara Rao.

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Responsible editor: Philippe Garrigues

Dr. K. Venkateswara Rao is an Associate Professor at CNST, IST, JNTUH.

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Pavani, T., Rao, K.V., Chakra, C.S. et al. Synthesis and characterization of γ-ferric oxide nanoparticles and their effect on Solanum lycopersicum . Environ Sci Pollut Res 23, 9373–9380 (2016). https://doi.org/10.1007/s11356-015-5215-y

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  • DOI: https://doi.org/10.1007/s11356-015-5215-y

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