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CNTs synthesized with polyoxometalate-based metal–organic compounds as catalyst precursors via the CVD method and their adsorption performance towards organic dyes

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Abstract

Successful production of carbon nanotubes (CNTs) was achieved via chemical vapor deposition (CVD) with the following four new polyoxometalate (POM)-based metal–organic compounds (MOCs) as catalyst precursors: {(4-H2bptzb)2[HPMo12O40]2}·H2O (1), {Ag(4-H2bptzb)(H2O)[PMo12O40]} (2), {Ag3(3-bptzb)2[PMo12O40]} (3), and {Ag4(3-bptzpe)3(H2O)2[HPMo12O40]2} (4) (3-bptzb = 1,4-bis(5-(3-pyridyl)tetrazolyl)-propane, 4-bptzb = 1,4-bis(5-(4-pyridyl)tetrazolyl)-propane, and 3-bptzpe = 1,4-bis(5-(3-pyridyl)tetrazolyl)-pentane). The Mo2C nanoparticles transformed from the POM-based MOCs 1–4 acted as catalysts for the synthesis of CNTs 1–4. The different specific surface areas of CNTs 1–4 can be attributed to the content of Mo2C nanoparticles, which may be due to the diverse components and structures of compounds 1–4. The as-grown CNTs exhibit a high adsorption activity towards the organic dyes methylene blue (MB), safranine T (ST) and methylene orange (MO).

Graphical abstract: CNTs synthesized with polyoxometalate-based metal–organic compounds as catalyst precursors via the CVD method and their adsorption performance towards organic dyes

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Supplementary files

Article information


Submitted
21 Dec 2019
Accepted
26 Feb 2020
First published
28 Feb 2020

New J. Chem., 2020, Advance Article
Article type
Paper

CNTs synthesized with polyoxometalate-based metal–organic compounds as catalyst precursors via the CVD method and their adsorption performance towards organic dyes

Y. Tian, X. Wang, J. Luan, H. Lin, Z. Chang, X. Wang and G. Liu, New J. Chem., 2020, Advance Article , DOI: 10.1039/C9NJ06331E

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