期刊
DALTON TRANSACTIONS
卷 50, 期 45, 页码 16819-16828出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt03557f
关键词
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资金
- Portuguese Foundation for Science and Technology [PTDC/CTM-ENE/5387/2014, PTDC/NAN-MAT/28745/2017, UID/FIS/04650/2020, UID/QUI/0686/2020, PTDC/FIS-MAC/28157/2017, SFRH/BD/121780/2016, 2020.02802.CEECIND]
- Basque Government Industry Department (ELKARTEK)
- Basque Government Industry Department (HAZITEK)
- Fundação para a Ciência e a Tecnologia [SFRH/BD/121780/2016, PTDC/NAN-MAT/28745/2017] Funding Source: FCT
This study presents an environmentally friendly synthesis method for Cu(In,Ga)Se-2 (CIGS) nanoparticles, which exhibit excellent photocatalytic properties for the removal of emerging contaminants from water. The synthesized nanoparticles demonstrated high crystallinity and efficient removal capabilities for the contaminant ciprofloxacin under both UV and visible radiations.
Environmentally friendly synthesis of Cu(In,Ga)Se-2 (CIGS) nanoparticles (NPs) is pivotal for producing sustainable photocatalytic compounds to be applied in the remediation of contaminants of emerging concern from water. To this end, we herein report an aqueous synthesis of CIGS NPs, followed by annealing, to give access to phase-pure CIGS crystals with chalcopyrite structure and no signs of secondary phases. Morphological and compositional characterization revealed NPs with an average size of 10-35 nm and uniform distribution of Cu, In, Ga, and Se elements. In addition, the first aqueous large-scale synthesis of CIGS NPs is developed by up-scaling the synthesis procedure, resulting in 5 g of highly crystalline nanoparticles exhibiting an ideal optical band gap of 1.14 eV. The as-synthesized NPs proved the ability to remove 71 and 83% of a contaminant of emerging concern, ciprofloxacin (CIP), under ultraviolet (UV) and visible (Vis) radiations, respectively.
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