期刊
2D MATERIALS
卷 6, 期 4, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/2053-1583/ab39c6
关键词
violet phosphorus; Hittorf's phosphorus; ball milling; reduction catalyst; organic dyes; SufCoat Korea 2019
资金
- Agency for Defense Development through Chemical and Biological Detection Research Center
Violet phosphorus (VP), also known as Hittorf's phosphorus (HP), is promised a next-generation 2D material with black phosphorus (BP). It is an intermediate in the process of synthesizing blacks starting with red phosphorus (RP), and has a unique activity. This VP does not show up in both red and black, and has a catalytic reduction performance. This catalytic performance was further enhanced by the partially oxidized P=O structure and showed a recyclable performance by reducing the 30 mg l(-1) high concentration dye in a few minutes. The properties of the synthesized materials were confirmed by XRD, TEM, SEM, EDS, UV-vis-NIR spectrophotometer, FT-IR, EPR and Raman spectroscopy techniques. Dye materials were quantitatively analyzed by UV-vis-spectrophotometer using 4-nitrophenol, methylene blue (MB), rhodamine B, and the catalytic activity was measured. The amorphous VP had a very strong negative charge and the P=O structure acted as a redox functional group. The objective of this study was to investigate the low cost and high efficiency metal-free reduction catalyst materials due to these characteristics.
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