Recyclable Nanocomposite of Flowerlike MoS<sub>2</sub>@Hybrid Acid-Doped PANI Immobilized on Porous PAN Nanofibers for
the Efficient Removal of Cr(VI)
Jinli Qiu
Fuqiang Liu
Song Cheng
Lidan Zong
Changqing Zhu
Chen Ling
Aimin Li
10.1021/acssuschemeng.7b02738.s001
https://acs.figshare.com/articles/journal_contribution/Recyclable_Nanocomposite_of_Flowerlike_MoS_sub_2_sub_Hybrid_Acid-Doped_PANI_Immobilized_on_Porous_PAN_Nanofibers_for_the_Efficient_Removal_of_Cr_VI_/5684455
For
the preparation of an ideal material for the emergency disposal
of Cr(VI)-contaminated water, a recyclable nanocomposite of molybdenum
disulfide@hybrid acid-doped polyaniline immobilized on porous polyacrylonitrile
nanofibers (MoS<sub>2</sub>@PANI/PAN nanocomposite) was synthesized
successively through electrospinning, a hydrothermal process, and
in situ polymerization. The advantages of the flowerlike MoS<sub>2</sub>@PANI/PAN nanocomposite include a fast equilibrium rate (30 min),
a high removal capacity (6.57 mmol/g), and good recyclability. Thus,
the material’s performance is much better than those of many
earlier materials developed for similar applications. MoS<sub>2</sub>@PANI/PAN nanocomposite still showed high adsorption capacity toward
Cr(VI) in the presence of coexisting anions and natural organic matter.
The remarkable interaction of this material with Cr(VI) was shown
to mainly occur through ion exchange, electrostatic adsorption, and
reduction. Furthermore, the MoS<sub>2</sub>@PANI/PAN nanocomposite
could be thoroughly regenerated and successfully reused for more than
six cycles without a significant decrease in its removal capacity.
Additional favorable properties of MoS<sub>2</sub>@PANI/PAN nanocomposite
are its strong hydrophilic performance and high mechanical strength.
Hence, MoS<sub>2</sub>@PANI/PAN provides a green, economic, and fast
method to efficiently remove toxic Cr(VI) from aqueous environments.
2017-11-23 00:00:00
nanocomposite
capacity
Flowerlike MoS 2
MoS 2
Porous PAN Nanofibers
Cr
material
flowerlike MoS 2
Hybrid Acid-Doped PANI Immobilized