Journal
MATERIALS LETTERS
Volume 288, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.129375
Keywords
CuCo2O4; Polymers; Polyacrylamide gel; Optical materials and properties; Nanoparticles
Funding
- National Natural Science Foundation of China [52070070]
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The phase-pure and well-dispersed CuCo2O4 nanoparticles were successfully designed and fabricated using a simple and inexpensive polyacrylamide gel method. The nanoparticles showed superior photocatalytic activity and stability in degrading oxytetracycline hydrochloride under visible illumination, with hydroxyl radicals and holes playing a major role in the degradation process. A possible photocatalytic mechanism was discussed based on the analysis of experimental results.
The phase-pure and well-dispersed CuCo2O4 nanoparticles (NPs) were designed and fabricated for the first time using a simple and inexpensive polyacrylamide gel method. The crystal structure, morphology and optical property of the CuCo2O4 NPs were characterized by various instruments in detail. X-ray diffractometry (XRD) patterns show that the pure phase of CuCo2O4. The scanning electron microscopy (SEM) images reveal that the CuCo2O4 NPs have size distribution in the range of 50-200 nm. Photocatalytic degradation experiments show that the CuCo2O4 NPs possess superior photocatalytic activity and stability to degrade oxytetracycline hydrochloride (OTCH) under visible illumination. In addition, the active species trapping experiments confirm that the hydroxyl radicals (center dot OH) and holes (h(+)) play the major role in the degradation of OTCH by CuCo2O4 NPs. Additionally, according to the analysis of the experimental results, a possible photocatalytic mechanism was discussed. (C) 2021 Elsevier B.V. All rights reserved.
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