Synthesis of photocatalytic zinc oxide nanoflowers using Peltophorum pterocarpum pod extract and their characterization

Ramesh Vinayagam; Shraddha Pai; Gokulakrishnan Murugesan; Thivaharan Varadavenkatesan; Raja Selvaraj

doi:10.1007/s13204-021-01919-z

Synthesis of photocatalytic zinc oxide nanoflowers using Peltophorum pterocarpum pod extract and their characterization

Ramesh Vinayagam
, Shraddha Pai
, Gokulakrishnan Murugesan
, Thivaharan Varadavenkatesan
, Raja Selvaraj^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

72 Citations (Scopus)

Abstract

Zinc oxide nanoflowers (ZnONFs) were prepared by employing the pod extract of Peltophorum pterocarpum as a green resource and characterized by various methods. UV–vis spectrum displayed a peak at 361 nm which confirmed the formation of ZnO nanoparticles. The optical band gap was calculated as 3.43 eV. FE-SEM images exposed the flower-like morphology and EDX portrayed strong signals for Zn and O. XRD studies substantiated signature peaks for the wurtzite phase of ZnONFs and the lattice parameters matched well with the literature. Mesoporous nature was confirmed by BET analysis which yielded a high specific surface area of 19.61 m²/g. FTIR bands at 420.48 and 462.92 cm⁻¹affirmed the Zn and O bonding vibrations. The photocatalytic potential of the ZnONFs was successfully examined for the removal of methylene blue dye under natural solar light. The experimental data were fitted to Langmuir–Hinshelwood’s first-order equation and the kinetic constant was calculated as 0.0114 min^–1.

Original language	English
Pages (from-to)	847-857
Number of pages	11
Journal	Applied Nanoscience (Switzerland)
Volume	13
Issue number	1
DOIs	https://doi.org/10.1007/s13204-021-01919-z
Publication status	Published - 01-2023

All Science Journal Classification (ASJC) codes

Biotechnology
Atomic and Molecular Physics, and Optics
Materials Science (miscellaneous)
Physical and Theoretical Chemistry
Cell Biology
Electrical and Electronic Engineering

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title = "Synthesis of photocatalytic zinc oxide nanoflowers using Peltophorum pterocarpum pod extract and their characterization",

abstract = "Zinc oxide nanoflowers (ZnONFs) were prepared by employing the pod extract of Peltophorum pterocarpum as a green resource and characterized by various methods. UV–vis spectrum displayed a peak at 361 nm which confirmed the formation of ZnO nanoparticles. The optical band gap was calculated as 3.43 eV. FE-SEM images exposed the flower-like morphology and EDX portrayed strong signals for Zn and O. XRD studies substantiated signature peaks for the wurtzite phase of ZnONFs and the lattice parameters matched well with the literature. Mesoporous nature was confirmed by BET analysis which yielded a high specific surface area of 19.61 m2/g. FTIR bands at 420.48 and 462.92 cm−1affirmed the Zn and O bonding vibrations. The photocatalytic potential of the ZnONFs was successfully examined for the removal of methylene blue dye under natural solar light. The experimental data were fitted to Langmuir–Hinshelwood{\textquoteright}s first-order equation and the kinetic constant was calculated as 0.0114 min–1.",

author = "Ramesh Vinayagam and Shraddha Pai and Gokulakrishnan Murugesan and Thivaharan Varadavenkatesan and Raja Selvaraj",

note = "Funding Information: The authors are grateful to the Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education for providing lab facilities and equipment to perform this study. The authors thank DST PURSE Laboratory, Mangalore University, Mangalagangotri for providing the FE-SEM and EDS facilities. Publisher Copyright: {\textcopyright} 2021, The Author(s).",

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doi = "10.1007/s13204-021-01919-z",

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AU - Vinayagam, Ramesh

AU - Pai, Shraddha

AU - Murugesan, Gokulakrishnan

AU - Varadavenkatesan, Thivaharan

AU - Selvaraj, Raja

N1 - Funding Information: The authors are grateful to the Department of Chemical Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education for providing lab facilities and equipment to perform this study. The authors thank DST PURSE Laboratory, Mangalore University, Mangalagangotri for providing the FE-SEM and EDS facilities. Publisher Copyright: © 2021, The Author(s).

PY - 2023/1

Y1 - 2023/1

N2 - Zinc oxide nanoflowers (ZnONFs) were prepared by employing the pod extract of Peltophorum pterocarpum as a green resource and characterized by various methods. UV–vis spectrum displayed a peak at 361 nm which confirmed the formation of ZnO nanoparticles. The optical band gap was calculated as 3.43 eV. FE-SEM images exposed the flower-like morphology and EDX portrayed strong signals for Zn and O. XRD studies substantiated signature peaks for the wurtzite phase of ZnONFs and the lattice parameters matched well with the literature. Mesoporous nature was confirmed by BET analysis which yielded a high specific surface area of 19.61 m2/g. FTIR bands at 420.48 and 462.92 cm−1affirmed the Zn and O bonding vibrations. The photocatalytic potential of the ZnONFs was successfully examined for the removal of methylene blue dye under natural solar light. The experimental data were fitted to Langmuir–Hinshelwood’s first-order equation and the kinetic constant was calculated as 0.0114 min–1.

AB - Zinc oxide nanoflowers (ZnONFs) were prepared by employing the pod extract of Peltophorum pterocarpum as a green resource and characterized by various methods. UV–vis spectrum displayed a peak at 361 nm which confirmed the formation of ZnO nanoparticles. The optical band gap was calculated as 3.43 eV. FE-SEM images exposed the flower-like morphology and EDX portrayed strong signals for Zn and O. XRD studies substantiated signature peaks for the wurtzite phase of ZnONFs and the lattice parameters matched well with the literature. Mesoporous nature was confirmed by BET analysis which yielded a high specific surface area of 19.61 m2/g. FTIR bands at 420.48 and 462.92 cm−1affirmed the Zn and O bonding vibrations. The photocatalytic potential of the ZnONFs was successfully examined for the removal of methylene blue dye under natural solar light. The experimental data were fitted to Langmuir–Hinshelwood’s first-order equation and the kinetic constant was calculated as 0.0114 min–1.

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Synthesis of photocatalytic zinc oxide nanoflowers using Peltophorum pterocarpum pod extract and their characterization

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