恭喜中山大学博士使用NE-PE02型等离子表面处理仪处理碳纳米管在《Advanced Science》发表论文《Remarkable active site utilization in edge-hosted-N doped carbocatalysts for Fenton-like reaction》。

论文摘要如下：

Improving the utilization of active sites in carbon catalysts is significant for various catalytic reactions, but still challenging, mainly due to the lack of strategies for controllable introduction of active dopants. Herein, a novel "Ar plasma etching-NH3 annealing" strategy is developed to regulate the position of active N sites, while maintaining the same nitrogen species and contents. Theoretical and experimental results reveal that the edge-hosted-N doped carbon nanotubes (E-N-CNT), with only 0.29 at.% N content, show great affinity to peroxymonosulfate (PMS), and exhibit excellent Fenton-like activity by generating singlet oxygen (1O2), which can reach as high as 410 times higher than the pristine CNT. The remarkable utilization of edge-hosted nitrogen atom is further verified by the edge-hosted-N enriched carbocatalyst, which shows superior capability for 4-chlorophenol degradation with a turnover frequency (TOF) value as high as 3.82 min-1, and the impressive TOF value can even surpass those of single-atom catalysts. This work proposes a controllable position regulation of active sites to improve atom utilization, which provides a new insight into the design of excellent Fenton-like catalysts with remarkable atom utilization efficiency.

论文中用来处理碳纳米管的设备为我司小型实验型等离子表面处理仪NE-PE02，氩等离子体处理可以有效的在碳纳米管表面产生缺陷。缺陷的引入更有利于后续N原子替换碳纳米管中的C原子形成氮掺杂，而氮掺杂会改变碳纳米管相邻碳原子的电子结构和化学环境，加速电子转移，从而提高碳纳米管的反应活性.

部分论文截图：

NE-PE02是一款实验型等离子处理系统，广泛应用于科研院校，企业研发单位和小批量生产等场景，设备主要用途如下：

1、清洗：去除有机物、氧化物、金属盐、纳米级微粒污染物等

2、活化：亲疏水改性、表面能提升、官能团引入、生物相容性改善等

3、刻蚀：表面图案化、表面微刻蚀、改变表面形貌粗糙度等

4、键合：PDMS等微流控器件键合

5、去胶：光刻胶灰化、扫底膜等

为回馈科研工作者对纳恩科技仪器的支持与信任，推动国内科研事业的发展，纳恩科技将开展【2024年科研论文奖励计划】活动，对于使用我司仪器，有研究成果的第一作者提供学术奖金。