Journal
MATERIALS LETTERS
Volume 262, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2019.127023
Keywords
Photocatalysis; Red phosphorus; ZIF-67; Energy storage and conversion; Composite materials
Funding
- Natural Science Foundation of Xinjiang Uygur Autonomous Region of China [2019D01B36, 2019D01A69]
- National Natural Science Foundation of China [21862022, 51968072]
- Natural Science Youth Project in Universities and Colleges of the Autonomous Region [XJE-DU2018Y030]
- Hundred Young Doctors Introduction Programof the Autonomous Region [BS2017002]
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Zeolitic imidazolate framework-67/red phosphorus (ZIF-67/RP) was prepared for the photo-reduction of Cr(VI) and photo-oxidation of Rhodamine B (RhB). The samples were characterized, and results showed that at 5% mass fraction of ZIF-67, the highest photocatalytic activity was achieved. The degradation rates of Cr(VI) and RhB were 2.2 and 2.6 times that obtained using RP, respectively. The main reason for the improved photocatalytic activity was the synergy of photocatalytic reduction and oxidation, as well as photocatalysis and adsorption. Additionally, with increased pore size, light response were enhanced, the recombination of photogenerated electron-hole was reduced. Overall, these findings indicated the excellent photocatalytic performance of 5% ZIF-67/RP. (C) 2019 Published by Elsevier B.V.
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