Journal
BIOSENSORS & BIOELECTRONICS
Volume 53, Issue -, Pages 250-256Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2013.10.001
Keywords
Ordered mesoporous carbon nitride; Pyridinic N; Electrocatalysis; H2O2; Nitrobenzene; NADH
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Funding
- National Natural Science Foundation of China [21075014]
- State Key Laboratory of Electroanalytical Chemistry, CIAC, CAS [SKLEAC201201]
- Fundamental Research Funds for the Central Universities [12SSXT145]
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Two-dimensional ordered mesoporous carbon nitride (OMCN) has been successfully prepared for the first time using SBA-15 mesoporous silica and melamine as template and precursor respectively, by a nano hard-templating approach. A series of OMCN-x samples with different pyrolysis temperatures have been reported. The formation of these composite materials was verified by detailed characterization (e.g., Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, N-2 adsorption, X-ray diffraction, scanning electron microscopy, and transmission electron microscopy). The results showed that the materials were structurally well ordered with two-dimensional porous structure, high surface area and large pore volume. The influence of BET surface area and different amounts of N-bonding configurations formed at different pyrolysis temperatures of OMCN-x for the electrocatalysis towards hydrogen peroxide, nitrobenzene, and nicotinamide adenine dinucleotide were investigated in detail. Results indicated that OMCN treated at 800 degrees C with largest BET surface area and highest amounts of pyrindinic N showed improved electrocatalytic activity for H2O2, nitrobenzene, and NADH in neutral solution. (C) 2013 Elsevier B.V. All rights reserved.
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