光催化
纤维素
过氧化氢
制氢
热液循环
兴奋剂
材料科学
化学
电子转移
光化学
化学工程
核化学
催化作用
有机化学
光电子学
工程类
作者
Nur Shamimie Nadzwin Hasnan,Mohamad Azuwa Mohamed,Nurul Atikah Nordin,Wan Nor Roslam Wan Ishak,Mohammad B. Kassim
标识
DOI:10.1016/j.carbpol.2023.121096
摘要
Cellulose continues to play an important and emerging role in photocatalysis, and its favourable properties, such as electron-rich hydroxyl groups, could enhance the performance of photocatalytic reactions. For the first time, this study exploited the kapok fibre with microtubular structure (t-KF) as a solid electron donor to enhance the photocatalytic activity of C-doped g-C3N4 (CCN) via ligand-to-metal-charge-transfer (LMCT) to improve hydrogen peroxide (H2O2) production performance. As confirmed by various characterisation techniques, the hybrid complex consisting of CCN grafted on t-KF was successfully developed in the presence of succinic acid (SA) as a cross-linker via a simple hydrothermal approach. The complexation formation between CCN and t-KF results in the CCN-SA/t-KF sample displaying a higher photocatalytic activity than pristine g-C3N4 to produce H2O2 under visible light irradiation. The enhanced physicochemical and optoelectronic properties of CCN-SA/t-KF imply that the LMCT mechanism is crucial in improving photocatalytic activity. This study promotes utilising the unique t-KF material's properties to develop a low-cost and high-performance cellulose-based LMCT photocatalyst.
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