期刊
MATERIALS TODAY COMMUNICATIONS
卷 27, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtcomm.2021.102288
关键词
Graphite carbon nitride; Supramolecular assembly; 1,5-naphthalene disulfonic acid; Sulfamethoxazole
资金
- Natural Science Foundation of Jiangsu province, China [BK20171141]
Pyrolysis of supramolecular assembly precursor was used to prepare highly porous g-C3N4 nanotubes with excellent photocatalytic performance and large surface area in this study.
Pyrolysis of supramolecular assembly precursor is a promising method to prepare graphite carbon nitride (g-C3N4), and the topological structure of the precursor assemblies largely determine the morphology and photoelectric properties of g-C3N4. In this paper, uniformly and highly porous g-C3N4 nanotubes were synthesized under the assistance of 1,5-naphthalene disulfonic acid (NA) through the melamine (MA)-cyanuric acid (CA) precursor self-assembly strategy. The as-synthesized g-C3N4 nanotubes in the presence of 75 mg/L NA (MNCA-75) exhibited the highest BET surface area (S-BET) of 100.40 m(2)/g, and the smallest band gap (E-g) of 2.31 eV. 10 mg/L of sulfamethoxazole (SMX) was completely degraded within 120 min with the MNCA-75, and the degradation reaction conformed to pseudo-first-order kinetics. This paper reported a facile but effective method to prepare highly porous g-C3N4 nanotubes with large surface area and excellent photocatalytic performance.
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