Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature

Zinc oxide (ZnO) synthesized with natural reductants has attracted the attention of researchers because it is environmentally friendly and non-toxic. In this study, ZnO was prepared using Sandoricum koetjape (S. koetjape) peel extract. An aqueous extract of S. koetjape peel was used as biological re...

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Main Authors: Ari Sulistyo Rini, Nurul Hidayanti, Yolanda Rati
Format: Article
Language:Indonesian
Published: Universitas Tanjungpura 2021-12-01
Series:Positron
Subjects:
Online Access:https://jurnal.untan.ac.id/index.php/jpositron/article/view/49699
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author Ari Sulistyo Rini
Nurul Hidayanti
Yolanda Rati
author_facet Ari Sulistyo Rini
Nurul Hidayanti
Yolanda Rati
author_sort Ari Sulistyo Rini
collection DOAJ
description Zinc oxide (ZnO) synthesized with natural reductants has attracted the attention of researchers because it is environmentally friendly and non-toxic. In this study, ZnO was prepared using Sandoricum koetjape (S. koetjape) peel extract. An aqueous extract of S. koetjape peel was used as biological reduction agent for the synthesis of ZnO from zinc nitrate hexahydrate. The ZnO powder obtained was annealed at different temperatures i.e, 300°C, 400°C, and 500°C for 1 hour. Structural, morphological, optical properties, and functional groups of samples were analyzed using X-Ray Diffraction, Scanning Electron Microscopy, UV-Vis Spectroscopy, and Fourier Transform Infrared Spectroscopy, respectively. The X-ray diffraction pattern shows that pure hexagonal wurtzite structure of ZnO particles can be achieved after annealing. The crystal size has also increased with increasing annealing temperature. SEM photo demonstrates the transformation of ZnO particle from spherical to microflower due to annealing. The widest absorption peaks in the UV-Vis spectrum was occurred after annealing at 500°C. The bandgap energy of ZnO increases after annealing from 3.08 eV to 3.20 eV. The FT-IR analysis confirms O-H functional group from extract has been decomposed due to the annealing process. Based on this study, biosynthesized ZnO using Sandoricum koetjape peel extract requires annealing process to improve the purity, enhance the light absorbance and change the microstructure of ZnO.
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spelling doaj.art-23561562f67747de9ee150526da0a7c82023-01-20T09:00:10ZindUniversitas TanjungpuraPositron2301-49702549-936X2021-12-01112576210.26418/positron.v11i2.4969934390Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing TemperatureAri Sulistyo Rini0Nurul Hidayanti1Yolanda Rati2University of RiauUniversity of RiauUniversity of RiauZinc oxide (ZnO) synthesized with natural reductants has attracted the attention of researchers because it is environmentally friendly and non-toxic. In this study, ZnO was prepared using Sandoricum koetjape (S. koetjape) peel extract. An aqueous extract of S. koetjape peel was used as biological reduction agent for the synthesis of ZnO from zinc nitrate hexahydrate. The ZnO powder obtained was annealed at different temperatures i.e, 300°C, 400°C, and 500°C for 1 hour. Structural, morphological, optical properties, and functional groups of samples were analyzed using X-Ray Diffraction, Scanning Electron Microscopy, UV-Vis Spectroscopy, and Fourier Transform Infrared Spectroscopy, respectively. The X-ray diffraction pattern shows that pure hexagonal wurtzite structure of ZnO particles can be achieved after annealing. The crystal size has also increased with increasing annealing temperature. SEM photo demonstrates the transformation of ZnO particle from spherical to microflower due to annealing. The widest absorption peaks in the UV-Vis spectrum was occurred after annealing at 500°C. The bandgap energy of ZnO increases after annealing from 3.08 eV to 3.20 eV. The FT-IR analysis confirms O-H functional group from extract has been decomposed due to the annealing process. Based on this study, biosynthesized ZnO using Sandoricum koetjape peel extract requires annealing process to improve the purity, enhance the light absorbance and change the microstructure of ZnO.https://jurnal.untan.ac.id/index.php/jpositron/article/view/49699zno, sandoricum koetjape, reductant, annealing, spherical
spellingShingle Ari Sulistyo Rini
Nurul Hidayanti
Yolanda Rati
Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature
Positron
zno, sandoricum koetjape, reductant, annealing, spherical
title Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature
title_full Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature
title_fullStr Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature
title_full_unstemmed Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature
title_short Biosynthesis of Zinc Oxide Powder Using Sandoricum koetjape Peel Extract at Various Annealing Temperature
title_sort biosynthesis of zinc oxide powder using sandoricum koetjape peel extract at various annealing temperature
topic zno, sandoricum koetjape, reductant, annealing, spherical
url https://jurnal.untan.ac.id/index.php/jpositron/article/view/49699
work_keys_str_mv AT arisulistyorini biosynthesisofzincoxidepowderusingsandoricumkoetjapepeelextractatvariousannealingtemperature
AT nurulhidayanti biosynthesisofzincoxidepowderusingsandoricumkoetjapepeelextractatvariousannealingtemperature
AT yolandarati biosynthesisofzincoxidepowderusingsandoricumkoetjapepeelextractatvariousannealingtemperature