材料科学
三聚氰胺
氮化碳
乙烯
化学工程
可见光谱
碳纤维
多孔性
半导体
基质(水族馆)
聚对苯二甲酸乙二醇酯
纳米技术
复合材料
化学
光催化
有机化学
催化作用
光电子学
工程类
地质学
海洋学
复合数
作者
Shuhui Guo,Yuanyong Huang,Di Li,Zhipeng Xie,Yujing Jia,Xing‐De Wu,Dongbo Xu,Weidong Shi
摘要
It is highly desirable but challenging to realize efficient photoreforming of plastic waste over metal-free semiconductors. Here, we synthesized metal-free carbon nitride porous microtube (CNxPM) photocatalysts by carrying out a pyrolysis of the supramolecular assembly formed by the self-assembly of L-arginine (L-Arg) and melamine, the modification of L-Arg rationally engineering the microstructure and electronic structure of the CNxPM system for efficient visible-light-driven photoreforming of poly(ethylene terephthalate) (PET) to hydrogen (H2) and high-value chemicals. In particular, the amount of formate converted from PET substrate under visible light was highest in metal-free semiconductors without any co-catalyst reported so far, presenting the first example of visible-light-driven photoreforming of PET over a completely metal-free single-component semiconductor without any co-catalyst.
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