Green Synthesis of Cuprous Oxide Nanoparticles Using Andean Capuli ( Prunus serotina Ehrh. var. Capuli) Cherry
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Green Synthesis of Cuprous Oxide Nanoparticles Using Andean Capuli (Prunus serotina Ehrh. var. Capuli) Cherry Brajesh Kumar1,2
•
Kumari Smita2 • Alexis Debut2 • Luis Cumbal2
Received: 14 May 2020 / Accepted: 26 October 2020 Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Copper oxide nanoparticles have gained considerable attention in the past two decades due to their simplicity and exhibit a range of potentially useful physical properties. In the present study, a simple, low cost, and environmental friendly synthesis of Cuprous oxide (Cu2O) nanoparticles using Prunus serotina Ehrh. var. Capuli cherry extract has been reported. The phytochemicals of Capuli cherry induce the reduction Cu2? ions to Cu2O and also act as capping agent. UV–vis spectroscopy technique confirms the formation of Cu2O NPs at kmax = 446.5 nm (energy bandgap = 2.77 eV). Morphology, crystallinity and surface properties of nanoparticles were studied using Scanning transmission electron microscopy (STEM), Dynamic light scattering (DLS), X-ray diffraction (XRD), and Fourier transform infrared (FTIR) spectroscopy. STEM and DLS characterization indicated the formation of spherical Cu2O NPs of average size 30–55 nm. The XRD analysis confirmed that as-synthesized Cu2O were face-centered cubic (FCC) crystalline structures. The produced Cu2O nanoparticles exhibited good photocatalytic activity for degradation of Thioflavin T dye ([ 60%, 90 min). In future, the present investigation could prove to synthesize nanoparticles in bulk and also for environmental remediation. Keywords Green synthesis Cu2O nanoparticles UV–vis spectroscopy STEM Photocatalyst
Introduction In recent years, nanoscience have lead to the emerging interdisciplinary field of research in science and technology which deals with the development a new concept of synthesizing nanoparticles of desired size and shape. Metal nanoparticles (MNPs) have drawn a much attention towards the versatile applications of biomedical sciences, electronics, chemical industry, environmental remediation, drug–gene delivery, biosensor, etc. [1, 2]. Since copper nanoparticles have indicated potentials in various fields such as catalysis [3], CO2 reduction [4], CO oxidation [5], water treatment [6], gas sensing [7], information storage and solar cells [8], photocatalyst [9], antimicrobial [10], & Brajesh Kumar [email protected]; [email protected] 1
Department of Chemistry, TATA College, Kolhan University, Chaibasa, Jharkhand 833202, India
2
Centro de Nanociencia Y Nanotecnologia, Universidad de Las Fuerzas Armadas-ESPE, Av. Gral. Rumin˜ahui S/N, P.O. BOX 171-5-231B, Sangolqui, Ecuador
conductive ink [11] and so on. As an important p-type semiconductor with a band gap value of 2.17 eV, Cuprous oxide (Cu2O) is a promising material in the field of solar energy conversion. In addition, the availability and cost of Cu made it as a better choice comparing to the other noble metals like Ag, Au and Pt fo
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