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Graphitic Carbon Nitride with Extraordinary Photocatalytic Activity Under Visible Light Irradiation

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Advances of Science and Technology (ICAST 2020)

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Abstract

Catalytic activities of graphitic carbon nitride (g-C3N4) are restricted thanks to inadequate visible light absorption and high rate electron–hole recombination. In this work, we synthesized porous g-C3N4 using polycondensation process. Structural and physico-chemical characteristics of the prepared g-C3N4 materials were studied via XRD, DRS, PL, FTIR, Raman spectroscopy, SEM, BET and CHN elemental analyzer. The prepared samples exhibited surprising catalytic activity for the photo-oxidation of rhodamine-B (RhB) in visible light irradiation. From the fabricated g-C3N4 materials, the g-C3N4-550 showed photodegradation efficiency of 100% towards the RhB pollutant in water within 30 min. No appreciable decrease of the photocatalytic efficiency of g-C3N4 was observed up to five consecutive cycles, confirming the synthesized g-C3N4 was highly stable. Thus, this work gave a simple process for large scale production of highly visible light responsive and stable g-C3N4 materials used for environmental remediation.

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Authors and Affiliations

  1. Department of Industrial Chemistry, College of Applied Sciences, Addis Ababa Science and Technology University, 16417, Addis Ababa, Ethiopia

    Gebrehiwot Gebreslassie & Assefa Sergawie

  2. Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, 784028, India

    Pankaj Bharali

  3. Department Chemistry, College of Natural and Computational Sciences, Mekelle University, 231, Mekelle, Ethiopia

    Gebremedhin Gebremariam

  4. Faculty of Civil and Environmental Engineering, Jimma University, 378, Jimma, Ethiopia

    Esayas Alemayehu

Authors
  1. Gebrehiwot Gebreslassie
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  2. Pankaj Bharali
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  3. Gebremedhin Gebremariam
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  4. Assefa Sergawie
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  5. Esayas Alemayehu
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Correspondence to Gebrehiwot Gebreslassie .

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Editors and Affiliations

  1. Bahir Dar University, Bahir Dar, Ethiopia

    Mulugeta Admasu Delele

  2. Bahir Dar University, Bahir Dar, Ethiopia

    Mekuanint Agegnehu Bitew

  3. Bahir Dar University, Bahir Dar, Ethiopia

    Abebech Abera Beyene

  4. Bahir Dar University, Bahir Dar, Ethiopia

    Solomon Workneh Fanta

  5. Bahir Dar University, Bahir Dar, Ethiopia

    Addisu Negash Ali

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Gebreslassie, G., Bharali, P., Gebremariam, G., Sergawie, A., Alemayehu, E. (2021). Graphitic Carbon Nitride with Extraordinary Photocatalytic Activity Under Visible Light Irradiation. In: Delele, M.A., Bitew, M.A., Beyene, A.A., Fanta, S.W., Ali, A.N. (eds) Advances of Science and Technology. ICAST 2020. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 385. Springer, Cham. https://doi.org/10.1007/978-3-030-80618-7_29

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  • DOI: https://doi.org/10.1007/978-3-030-80618-7_29

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-80617-0

  • Online ISBN: 978-3-030-80618-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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