Abstract
In this work, g-C3N4/melem nanorods hybrids were synthesized via a rapid cooling process with H2SO4-assisted treatments of bulk g-C3N4. The results show that post treatment of pristine g-C3N4 using concentrated H2SO4 can produce a hybrid crystal structure containing both melem and g-C3N4. The melem nanorods were formed based on H2SO4 exfoliation, regrowth process and nanoplates roll-up mechanism through a rapid cooling process. The g-C3N4/melem nanorods hybrids exhibited efficient degradation of methyl orange and the efficiency was nearly 100% in 80 min, which presented much better than bulk g-C3N4 (giving a degradation efficiency of 67% in 80 min). The enhanced photocatalytic performance of g-C3N4/melem nanorods hybrids mainly originates from the synergistic effect of g-C3N4 and melem, which the g-C3N4/melem hybrids can improving the efficiency of photogenerated charge separation of g-C3N4. This study contributes towards an effective strategy for optimizing the crystalline structure and nanostructure of g-C3N4/melem hybrids to enhanced g-C3N4 photodegradation activity.
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The work was supported by the Science and Technology Program of Guangzhou, China (No. 201803030019).
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Mo, J., Wang, N., Zhang, S. et al. Metal-free g-C3N4/melem nanorods hybrids for photocatalytic degradation of methyl orange. Res Chem Intermed 48, 3835–3849 (2022). https://doi.org/10.1007/s11164-022-04779-6
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DOI: https://doi.org/10.1007/s11164-022-04779-6