One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution

A novel and efficient route is proposed to fabricate Fe3O4/polypyrrole (Fe3O4/PPy) nanotubes via a one-pot process. The one-pot strategy involves the synthesis of Fe3O4/PPy nanotubes by oxidative polymerization of pyrrole (Py) monomer using Fe3+ as an oxidant in the presence of methyl orange (MO) an...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Wenjuan Zhang, Yaxian Wang, Yulong Fei, Youliang Wang, Zhaoxiong Zhang, Miao Kou, Qiancheng Feng, Sheng Wang, Xueyan Du
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/3e26ff4b8ea24bf69bdf2a105d0adef7
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:3e26ff4b8ea24bf69bdf2a105d0adef7
record_format	dspace
spelling	oai:doaj.org-article:3e26ff4b8ea24bf69bdf2a105d0adef72021-11-08T02:36:41ZOne-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution1687-844210.1155/2021/7068003https://doaj.org/article/3e26ff4b8ea24bf69bdf2a105d0adef72021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/7068003https://doaj.org/toc/1687-8442A novel and efficient route is proposed to fabricate Fe3O4/polypyrrole (Fe3O4/PPy) nanotubes via a one-pot process. The one-pot strategy involves the synthesis of Fe3O4/PPy nanotubes by oxidative polymerization of pyrrole (Py) monomer using Fe3+ as an oxidant in the presence of methyl orange (MO) and Fe3+ used as iron source to form Fe3O4 simultaneously in basic conditions without adding any additional iron source and oxidant. The effects of Fe3+ concentration on the morphology and adsorption capacity of the Fe3O4/PPy nanotubes were investigated. The Fe3O4/PPy nanotubes exhibit a tubular structure. Fe3O4 nanoparticles are well dispersed among the PPy nanotubes. The Fe3O4/PPy nanotubes exhibit excellent magnetic property, which make them easy to separate from wastewater by magnetic separation. The diameter of the PPy nanotubes decreased with the increase of the Fe3+ concentration. The Fe3O4/PPy nanotubes showed strong adsorption capability for Cr(VI) with the maximum adsorption capacity of about 451.45 mg·g−1, which is significantly higher than bare Fe3O4 nanoparticles. Cr(VI) was adsorbed on Fe3O4/PPy nanotubes by ion exchange and chelation, where Cr(VI) was partially reduced to Cr(III) due to the existence of −NH+ on the Fe3O4/PPy nanotubes. Furthermore, the Fe3O4/PPy nanotubes are recyclable, retaining 90% of the initial removal efficiency after 5 adsorption/desorption cycles.Wenjuan ZhangYaxian WangYulong FeiYouliang WangZhaoxiong ZhangMiao KouQiancheng FengSheng WangXueyan DuHindawi LimitedarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ENAdvances in Materials Science and Engineering, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Wenjuan Zhang Yaxian Wang Yulong Fei Youliang Wang Zhaoxiong Zhang Miao Kou Qiancheng Feng Sheng Wang Xueyan Du One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution
description	A novel and efficient route is proposed to fabricate Fe3O4/polypyrrole (Fe3O4/PPy) nanotubes via a one-pot process. The one-pot strategy involves the synthesis of Fe3O4/PPy nanotubes by oxidative polymerization of pyrrole (Py) monomer using Fe3+ as an oxidant in the presence of methyl orange (MO) and Fe3+ used as iron source to form Fe3O4 simultaneously in basic conditions without adding any additional iron source and oxidant. The effects of Fe3+ concentration on the morphology and adsorption capacity of the Fe3O4/PPy nanotubes were investigated. The Fe3O4/PPy nanotubes exhibit a tubular structure. Fe3O4 nanoparticles are well dispersed among the PPy nanotubes. The Fe3O4/PPy nanotubes exhibit excellent magnetic property, which make them easy to separate from wastewater by magnetic separation. The diameter of the PPy nanotubes decreased with the increase of the Fe3+ concentration. The Fe3O4/PPy nanotubes showed strong adsorption capability for Cr(VI) with the maximum adsorption capacity of about 451.45 mg·g−1, which is significantly higher than bare Fe3O4 nanoparticles. Cr(VI) was adsorbed on Fe3O4/PPy nanotubes by ion exchange and chelation, where Cr(VI) was partially reduced to Cr(III) due to the existence of −NH+ on the Fe3O4/PPy nanotubes. Furthermore, the Fe3O4/PPy nanotubes are recyclable, retaining 90% of the initial removal efficiency after 5 adsorption/desorption cycles.
format	article
author	Wenjuan Zhang Yaxian Wang Yulong Fei Youliang Wang Zhaoxiong Zhang Miao Kou Qiancheng Feng Sheng Wang Xueyan Du
author_facet	Wenjuan Zhang Yaxian Wang Yulong Fei Youliang Wang Zhaoxiong Zhang Miao Kou Qiancheng Feng Sheng Wang Xueyan Du
author_sort	Wenjuan Zhang
title	One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution
title_short	One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution
title_full	One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution
title_fullStr	One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution
title_full_unstemmed	One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution
title_sort	one-pot synthesis of magnetic polypyrrole nanotubes for adsorption of cr(vi) in aqueous solution
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/3e26ff4b8ea24bf69bdf2a105d0adef7
work_keys_str_mv	AT wenjuanzhang onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT yaxianwang onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT yulongfei onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT youliangwang onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT zhaoxiongzhang onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT miaokou onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT qianchengfeng onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT shengwang onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution AT xueyandu onepotsynthesisofmagneticpolypyrrolenanotubesforadsorptionofcrviinaqueoussolution
_version_	1718443083597611008

One-Pot Synthesis of Magnetic Polypyrrole Nanotubes for Adsorption of Cr(VI) in Aqueous Solution

Ejemplares similares