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Nano Biomedicine and Engineering 2021, 13(2): 179-190 https://doi.org/10.5101/nbe.v13i2.p179-190
Research Article | Open Access | Issue | Published: 26 May 2021

Fabrication of N-Doped Graphene@TiO2 Nanocomposites for Its Adsorption and Absorbing Performance with Facile Recycling

Show Author's Information Pravin Onkar Patil1( ),  Sopan Namdev Nangare1,  Pratiksha Pramod Patil1,  Ashwini Ghanashyam Patil2,  Dilip Ramsing Patil2,  Rahul Shankar Tade1,  Arun Madhukar Patil2,  Prashant Krishnarao Deshmukh3,  Sanjay Baburao Bari1
H.R. Patel Institute of Pharmaceutical Education and Research, Karvand Naka, Shirpur, Dist-Dhule, Maharashtra, 425405 India
R.C. Patel Arts, Science, and Commerce College, Shirpur, Maharashtra, 425405 India
Dr. Rajendra Gode College of Pharmacy, Malkapur, Dist-Buldhana, Maharashtra, 443101 India
Keywords:
Sensing, Nanocomposite, Graphene oxide, Biodegradable, N-rGO@TiO2, Cotton-seed, Heavy metals
Cite this article:
Patil PO, Nangare SN, Patil PP, et al. Fabrication of N-Doped Graphene@TiO2 Nanocomposites for Its Adsorption and Absorbing Performance with Facile Recycling. Nano Biomedicine and Engineering, 2021, 13(2): 179-190. https://doi.org/10.5101/nbe.v13i2.p179-190
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Abstract Full text About this article

The present work aims to synthesize nitrogen-doped reduced graphene oxide-titanium dioxide nanocomposite (N-rGO@TiO2) using a simple, eco-friendly method and its applications in spectroscopic detection of heavy metal ions such as lead (Pb2+), mercury (Hg2+), and chromium-VI [Cr(VI)] in potable water. Initially, TiO2 nanoparticles loaded N doped rGO sheets were fabricated by an ecological method using Gossypium hirsutum (cotton) seeds extract as a green reducing agent. Then, the N-rGO@TiO2 nanocomposites were subjected for characterizations such as spectroscopic techniques, particle size analysis, zeta potential analysis, and spectroscopic sensing. Notably, the results of this study confirmed that N-rGO@TiO2 exhibited countless stupendous features in terms of sensing of an analyte. Briefly, the UV-visible spectroscopy and Fourier transform infrared (FTIR) spectroscopy confirmed the successful synthesis of N-rGO@TiO2. The SEM images showed the wrinkled, folded, and cross-linked network structures that confirmed the surface modification and nitrogen doping in the rGO sheet and synthesis of N-rGO@TiO2. The EDAX study confirmed the elemental composition of the N-rGO@TiO2 nanocomposite. Finally, due to the larger surface area, porous nature, high electron mobility, etc. the N-rGO@TiO2 probe provides the lower detection limit for Pb2+, Hg2+, and Cr (VI) as low as 50 nM, 15 μM, and 25 nM, respectively. Concisely, our study affirms the admirable sensitivity of N-rGO@TiO2 nanocomposite to the Pb2+, Hg2+, and Cr (VI) in potable water can provide better environmental remediation.


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About this article

Fabrication of N-Doped Graphene@TiO2 Nanocomposites for Its Adsorption and Absorbing Performance with Facile Recycling

Show Author's information Pravin Onkar Patil1( ), Sopan Namdev Nangare1, Pratiksha Pramod Patil1, Ashwini Ghanashyam Patil2, Dilip Ramsing Patil2, Rahul Shankar Tade1, Arun Madhukar Patil2, Prashant Krishnarao Deshmukh3, Sanjay Baburao Bari1
H.R. Patel Institute of Pharmaceutical Education and Research, Karvand Naka, Shirpur, Dist-Dhule, Maharashtra, 425405 India
R.C. Patel Arts, Science, and Commerce College, Shirpur, Maharashtra, 425405 India
Dr. Rajendra Gode College of Pharmacy, Malkapur, Dist-Buldhana, Maharashtra, 443101 India

Abstract

The present work aims to synthesize nitrogen-doped reduced graphene oxide-titanium dioxide nanocomposite (N-rGO@TiO2) using a simple, eco-friendly method and its applications in spectroscopic detection of heavy metal ions such as lead (Pb2+), mercury (Hg2+), and chromium-VI [Cr(VI)] in potable water. Initially, TiO2 nanoparticles loaded N doped rGO sheets were fabricated by an ecological method using Gossypium hirsutum (cotton) seeds extract as a green reducing agent. Then, the N-rGO@TiO2 nanocomposites were subjected for characterizations such as spectroscopic techniques, particle size analysis, zeta potential analysis, and spectroscopic sensing. Notably, the results of this study confirmed that N-rGO@TiO2 exhibited countless stupendous features in terms of sensing of an analyte. Briefly, the UV-visible spectroscopy and Fourier transform infrared (FTIR) spectroscopy confirmed the successful synthesis of N-rGO@TiO2. The SEM images showed the wrinkled, folded, and cross-linked network structures that confirmed the surface modification and nitrogen doping in the rGO sheet and synthesis of N-rGO@TiO2. The EDAX study confirmed the elemental composition of the N-rGO@TiO2 nanocomposite. Finally, due to the larger surface area, porous nature, high electron mobility, etc. the N-rGO@TiO2 probe provides the lower detection limit for Pb2+, Hg2+, and Cr (VI) as low as 50 nM, 15 μM, and 25 nM, respectively. Concisely, our study affirms the admirable sensitivity of N-rGO@TiO2 nanocomposite to the Pb2+, Hg2+, and Cr (VI) in potable water can provide better environmental remediation.

Keywords: Sensing, Nanocomposite, Graphene oxide, Biodegradable, N-rGO@TiO2, Cotton-seed, Heavy metals

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Publication history

Received: 11 December 2020
Accepted: 29 March 2021
Published: 26 May 2021
Issue date: June 2021

Copyright

© Pravin Onkar Patil, Sopan Namdev Nangare, Pratiksha Pramod Patil, Ashwini Ghanashyam Patil, Dilip Ramsing Patil, Rahul Shankar Tade, Arun Madhukar Patil, Prashant Krishnarao Deshmukh, and Sanjay Baburao Bari.

Acknowledgements

The authors are thankful to Kavayitri Bahinabai Chaudhari North Maharashtra University (KBCNMU), Jalgaon for providing funding through the Vice-Chancellor Research Motivation Scheme (VCRMS, NMU/HA/VCRMS/Budget-2016-17/Pharmacy-10/84/2017).

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