Modulating interfacial electron transfer in hydrothermal carbon/ humboldtine to achieve superior heterogeneous Fenton reactivity and H2O2 utilization efficiency
文献类型：期刊论文
| 作者 | Cheng, Liulong5; Liu, Jingyi5; Zhao, Yu5; Lu, Zhuoye5; Liang, Haojie5; Fu, Haoyang1; Zhen, Cheng5; Ni, Zhuobiao5; Zhu, Runliang4 ; Chen, Xiaojuan2
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| 刊名 | SEPARATION AND PURIFICATION TECHNOLOGY
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| 出版日期 | 2025-07-30 |
| 卷号 | 362页码:10 |
| 关键词 | Heterogeneous catalysts Hydrothermal carbon Humboldtine Electron transfer Fe(III)/Fe(II) redox cycle |
| ISSN号 | 1383-5866 |
| DOI | 10.1016/j.seppur.2025.131665 |
| 英文摘要 | The strategic enhancement of interfacial electron transfer dynamics between carbon and iron, coupled with the improvement of H2O2 ' s effective decomposition, is imperative for achieving significant progress in the field of iron-carbon-based heterogeneous Fenton catalysis. This study prepared a novel Fenton catalyst, namely hydrothermal carbon/humboldtine (HTC/Hum), where Fe(III) was totally reduced to Fe(II) during catalyst preparation process due to the highly effective electron transfer between carbon and iron. Consequently, HTC/Hum exhibits exceptional Fenton catalytic performance, which would achieve 100 % degradation of Bisphenol A (BPA) within 5 min, outperforming conventional carbon-iron materials by increasing BPA degradation and H2O2 utilization efficiency by 230-400 and 18-24 times, respectively. Density functional theory (DFT) calculations also indicated that the energy barrier for HO center dot escaped from HTC/Hum is significantly lower than the conventional catalysts. Xray photoelectron spectroscopy (XPS), electron paramagnetic resonance (EPR), and electrochemical analysis all demonstrated that the electron transfer from carbon to iron also occurred continuously in the HTC/Hum system during the Fenton reaction, facilitated by electrons from defects and persistent free radicals in HTC, promoting the redox cycle of Fe(III)/Fe(II). This study presents a novel strategy enhancing electron transfer and H2O2 utilization, with promising applications in environmental remediation. |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001407484300001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/82627]  |
| 专题 | 中国科学院矿物学与成矿学重点实验室 |
| 通讯作者 | Zhu, Yanping |
| 作者单位 | 1.Nanyang Technol Univ, Sch Mat Sci & Engn, 50 Nanyang Ave, Singapore 639798, Singapore 2.Foshan Univ, Foshan 528225, Peoples R China 3.Sun Yat Sen Univ, China Sch Environm Sci & Engn, Guangzhou 510006, Peoples R China 4.Chinese Acad Sci, Guangzhou Inst Geochem, CAS Key Lab Mineral & Metallogeny, Guangdong Prov Key Lab Mineral Phys & Mat, Guangzhou 510640, Peoples R China 5.South China Agr Univ, Coll Nat Resources & Environm, Guangdong Lab Lingnan Modern Agr, Guangdong Prov Key Lab Agr & Rural Pollut Abatemen, Guangzhou 510642, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Liulong,Liu, Jingyi,Zhao, Yu,et al. Modulating interfacial electron transfer in hydrothermal carbon/ humboldtine to achieve superior heterogeneous Fenton reactivity and H2O2 utilization efficiency[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2025,362:10. |
| APA | Cheng, Liulong.,Liu, Jingyi.,Zhao, Yu.,Lu, Zhuoye.,Liang, Haojie.,...&Qiu, Rongliang.(2025).Modulating interfacial electron transfer in hydrothermal carbon/ humboldtine to achieve superior heterogeneous Fenton reactivity and H2O2 utilization efficiency.SEPARATION AND PURIFICATION TECHNOLOGY,362,10. |
| MLA | Cheng, Liulong,et al."Modulating interfacial electron transfer in hydrothermal carbon/ humboldtine to achieve superior heterogeneous Fenton reactivity and H2O2 utilization efficiency".SEPARATION AND PURIFICATION TECHNOLOGY 362(2025):10. |
入库方式： OAI收割
来源：广州地球化学研究所
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