一种新型非金属光催化剂：磷掺杂硫量子点。
A Novel Non-Metallic Photocatalyst: Phosphorus-Doped Sulfur Quantum Dots.
机构信息
College of Science & Key Laboratory of Low-Dimensional Structural Physics and Application, Education Department of Guangxi Zhuang Autonomous Region, Guilin University of Technology, Guilin 541004, China.
School of Electronics Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China.
出版信息
Molecules. 2023 Apr 21;28(8):3637. doi: 10.3390/molecules28083637.
In this paper, a novel phosphorus-doped sulfur quantum dots (P-SQDs) material was prepared using a simple hydrothermal method. P-SQDs have a narrow particle size distribution as well as an excellent electron transfer rate and optical properties. Compositing P-SQDs with graphitic carbon nitride (g-CN) can be used for photocatalytic degradation of organic dyes under visible light. More active sites, a narrower band gap, and stronger photocurrent are obtained after introducing P-SQDs into g-CN, thus promoting its photocatalytic efficiency by as much as 3.9 times. The excellent photocatalytic activity and reusability of P-SQDs/g-CN are prospective signs of its photocatalytic application under visible light.
本文采用简单的水热法制备了一种新型的磷掺杂硫量子点（P-SQDs）材料。P-SQDs 具有较窄的粒径分布以及优异的电子转移速率和光学性能。将 P-SQDs 与石墨相氮化碳（g-CN）复合，可用于可见光下有机染料的光催化降解。将 P-SQDs 引入 g-CN 后，得到了更多的活性位点、更窄的带隙和更强的光电流，从而将其光催化效率提高了 3.9 倍。P-SQDs/g-CN 具有优异的光催化活性和可重复使用性，有望在可见光下进行光催化应用。
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