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Fabrication and characterization of nanotemplated carbon monolithic material

Citation

He, X and Nesterenko, EP and Nesterenko, PN and Brabazon, D and Zhou, L and Glennon, JD and Luong, JHT and Paull, B, Fabrication and characterization of nanotemplated carbon monolithic material, ACS Applied Materials and Interfaces, 5, (17) pp. 8572-8580. ISSN 1944-8244 (2013) [Refereed Article]

Copyright Statement

Copyright 2013 American Chemical Society

DOI: doi:10.1021/am402030m

Abstract

A novel hierarchical nanotemplated carbon monolithic rod (NTCM) was prepared using a novel facile nanotemplating approach. The NTCM was obtained using C60-fullerene modified silica gels as hard templates, which were embedded in a phenolic resin containing a metal catalyst for localized graphitization, followed by bulk carbonization, and template and catalyst removal. TEM, SEM, and BET measurements revealed that NTCM possessed an integrated open hierarchical porous structure, with a trimodal pore distribution. This porous material also possessed a high mesopore volume and narrow mesopore size distribution. During the course of carbonization, the C60 conjugated to aminated silica was partly decomposed, leading to the formation of micropores. The Raman signature of NTCM was very similar to that of multiwalled carbon nanotubes as exemplified by three major peaks as commonly observed for other carbon materials, i.e., the sp3 and sp2 carbon phases coexisted in the sample. Surface area measurements were obtained using both nitrogen adsorption/desorption isotherms (BET) and with a methylene blue binding assay, with BET results showing the NTCM material possessed an average specific surface area of 435 m2 g−1 , compared to an area of 372 m2 g−1 obtained using the methylene blue assay. Electrochemical studies using NTCM modified glassy carbon or boron doped diamond (BDD) electrodes displayed quasi-reversible oxidation/reduction with ferricyanide. In addition, the BDD electrode modified with NTCM was able to detect hydrogen peroxide with a detection limit of below 300 nM, whereas the pristine BDD electrode was not responsive to this target compound.

Item Details

Item Type:Refereed Article
Keywords:nanotemplating, fullerene C60, carbon monolith, electrochemical behaviour
Research Division:Chemical Sciences
Research Group:Analytical Chemistry
Research Field:Electroanalytical Chemistry
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:He, X (Ms Lilly He)
Author:Nesterenko, PN (Professor Pavel Nesterenko)
Author:Paull, B (Professor Brett Paull)
ID Code:86117
Year Published:2013
Web of Science® Times Cited:5
Deposited By:Austn Centre for Research in Separation Science
Deposited On:2013-08-26
Last Modified:2014-05-08
Downloads:0

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