Vitamin Derived Nitrogen Doped Carbon Nanotubes for Efficient Oxygen Reduction Reaction and Arsenic Removal from Contaminated Water

Overview

Journal Materials (Basel)

Publisher MDPI

Date 2020 Apr 9

PMID 32260368

Citations 4

Authors

Vadahanambi Sridhar

Kwang Hyo Jung

Hyun Park

Affiliations

Soon will be listed here.

Abstract

Nitrogen doped carbon nanotubes (NCNT) that were prepared by simple microwave pyrolysis of Niacin (Vitamin B) as noble metal free electrocatalyst for oxygen reduction reaction (ORR) is reported. Our newly developed technique has the distinct features of sustainable and widely available niacin as a bi-functional source of both carbon and nitrogen, whereas the iron catalyst is cheap and the fourth most common element in the Earth's crust. The results of the electrochemical tests show that our newly developed iron impregnated NCNT anchored on reduced graphene substrate (Fe@NCNT-rGO) catalyst exhibit: a positive half-wave potential (E) of 0.75 V vs. RHE (reversible hydrogen electrode), four-electron pathway, and better methanol tolerance when compared to commercial 20% Pt/C. When applied as adsorbent for arsenic removal, our newly discovered NCNT-Fe illustrate the efficient and effective removal of arsenic across a wide range of pH values.

Citing Articles

DABCO Derived Nitrogen-Doped Carbon Nanotubes for Oxygen Reduction Reaction (ORR) and Removal of Hexavalent Chromium from Contaminated Water.

Sridhar V, Park H Materials (Basel). 2021; 14(11).

PMID: 34071937 PMC: 8199063. DOI: 10.3390/ma14112871.

Metal Organic Frameworks Derived Fe-N-C Nanostructures as High-Performance Electrodes for Sodium Ion Batteries and Electromagnetic Interference (EMI) Shielding.

Sridhar V, Lee I, Park H Molecules. 2021; 26(4).

PMID: 33671928 PMC: 7919031. DOI: 10.3390/molecules26041018.

Metal Organic Framework Derived MnO-Carbon Nanotubes for Efficient Oxygen Reduction Reaction and Arsenic Removal from Contaminated Water.

Sridhar V, Lee I, Jung K, Park H Nanomaterials (Basel). 2020; 10(9).

PMID: 32971965 PMC: 7558426. DOI: 10.3390/nano10091895.

Transforming Waste Poly(Ethylene Terephthalate) into Nitrogen Doped Carbon Nanotubes and Its Utility in Oxygen Reduction Reaction and Bisphenol-A Removal from Contaminated Water.

Sridhar V, Park H Materials (Basel). 2020; 13(18).

PMID: 32957727 PMC: 7560256. DOI: 10.3390/ma13184144.

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