Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 272, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.seppur.2021.118892
Keywords
Al sheet; Patternedgraphene; Synergistic effect; SERS detection; Catalytic degradation
Categories
Funding
- Scientific Research Project of Shanghai Municipal Science and Technology Commission [19090503700]
- National Natural Science Foundation of China [21771125, 21301118, 21305092]
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A patterned reduced graphene oxide/silver nanoparticles on Al sheet with strong interaction was prepared, serving as a sensitive SERS material for trace malachite green detection with good reproducibility and high stability. The plug and play sheet also exhibited high and stable catalytic degradation activity for malachite green, providing references for designing materials used in degradation of contaminants in wastewater.
In this work, a patterned reduced graphene oxide (RGO)/silver nanoparticles on Al sheet was prepared using layer-by-layer assembly technique. The morphology, structure and composition of the Al/RGO/Ag were investigated using SEM, XRD and XPS. It showed that there existed a strong interaction among Al, the patterned reduced graphene oxide and Ag nanoparticles in the Al/RGO/Ag sheet, which made the patterned Al/RGO/Ag sheet be as a sensitive SERS material for rapidly monitoring trace malachite green with good reproducibility and high stability. Also, the plug and play Al/RGO/Ag sheet exhibited high and stable catalytic degradation activity for malachite green. The constructed bifunctional sheet will provide some references for designing those materials used in detection and degradation of contaminants in wastewater.
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