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Molecule self-assembly of hydrangea-shaped hollow O, Cl -codoped graphite-phase carbon nitride microspheres for efficient N-(1,3-dimethyl butyl)-N'-phenyl-p-phenylenediamine quinone photodegradation and bacteria disinfection

文献类型： 外文期刊

作者： Chen, Xiangyu 1 ; Wu, Jianhao 1 ; Wang, Xiaozhuo 1 ; Jia, Rongrong 1 ; Li, Lan 1 ; Wang, Yixuan 1 ; Cai, Yuxing 1 ; Chen, Zhi 1 ; Jin, Cheng-Chao 1 ; Wang, Xinquan 2 ; Qi, Peipei 2 ; Wang, Rongyan 3 ; Zhang, Nan 1 ;

作者机构： 1.China Jiliang Univ, Coll Mat & Chem, 258 Xueyuan St, Hangzhou 310018, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China

3.Chinese Acad Sci, Inst Shanghai Inst Ceram, 1295 Ding-xi Rd, Shanghai 04618, Peoples R China

关键词： Open porous carbon nitride microspheres; Molecule self-assembly; 6PPD-Q photodegradation; Bacteria disinfection; Treatment of antibiotic residues

期刊名称：JOURNAL OF COLLOID AND INTERFACE SCIENCE （ 影响因子：9.7； 五年影响因子：8.9 ）

ISSN： 0021-9797

年卷期： 2025 年 683 卷

页码：

收录情况： SCI

摘要： 6PPD-quinone (6PPD-Q) as a derivative of the rubber antioxidant N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD), is attracting intensive attention due to the significant hazard to ecosystems. However, the effective management of this type of contaminant has been scarcely reported. Hydrangea-like hollow O, Clcodoped graphite-phase carbon nitride microspheres (HHCN), featuring open pores were readily prepared by molecular self-assembly and utilized to address 6PPD-Q in an aqueous system for the first time. More than 90 % of 6PPD-Q is efficiently photodegraded within 1 h on the as-prepared HHCN, which is 2.5 times more than that on bulk g-C3N4. Moreover, the as-synthesized HHCN demonstrates prominent photocatalytic activities for the degradation of doxycycline and tetracycline and the inactivation of Staphylococcus aureus (S. aureus) in an aqueous environment. The distinct hydrangea-like hollow structure imparts a large surface area and an abundance of active sites. In addition, the inclusion of Cl-3p orbitals also contributes to a reduction in the bandgap (2.01 eV) and facilitates carrier separation and transport. These combined characteristics synergistically enhance the remarkable photocatalytic performance of HHCN, which induces a more than 2 times higher degradation rate than bulk g-C3N4. This work offers a prospective route for template-free designing porous functional materials with improved properties and efficiently treating emerging pollutants such as 6PPD-Q, pathogenic bacteria, and antibiotic residues.

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