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Cu Nano-Roses Self-Assembly from Allium cepa, L., Pyrolysis by Green Synthesis of C Nanostructures
Applied Sciences ( IF 2.838 ) Pub Date : 2020-05-30 , DOI: 10.3390/app10113819
Paola De Padova , Amanda Generosi , Barbara Paci , Bruno Olivieri , Carlo Ottaviani , Claudio Quaresima , Lorenza Suber , Fabio Di Pietrantonio , Giancarlo Della Ventura , Luciano Pilloni , S Supriya , Gurumurthy Hegde

Carbon nanostructures are achieved by bio-waste Allium cepa, L., (onion vulgaris) peels through pyrolysis at 900 °C. They contain dispersed elements derived by their bio-precursors, like Mg, Ca, S, Na, K, and Cu. Here, we report the self-assembly of new Cu flower-shaped nanostructures organized as nano-roses. Remarkably, the nano-roses show rolled-up petals of Cu0 with a high chemical stability in air, exhibiting an intrinsic pure Cu crystalline phase. This suggests the exceptional potentiality to synthesize Cu0 nanostructures with novel physical/chemical properties. The size, morphology, and chemical composition were obtained by a combination of high-resolution scanning electron microscopy, energy dispersive X-ray spectroscopy, energy dispersive X-ray diffraction, and Raman spectroscopy.

中文翻译:

通过绿色合成C纳米结构热解自葱属洋葱C.的Cu纳米玫瑰自组装

碳纳米结构是通过在900°C下通过热解生物废物皮(洋葱)而实现的。它们包含由其生物前体衍生的分散元素,例如Mg,Ca,S,Na,K和Cu。在这里,我们报告新的铜花状纳米结构的自组装组织为纳米玫瑰。显着地,纳米玫瑰显示出卷起的Cu 0花瓣,在空气中具有很高的化学稳定性,表现出固有的纯Cu晶相。这表明合成Cu 0的潜在潜力具有新颖物理/化学性质的纳米结构。通过高分辨率扫描电子显微镜,能量色散X射线光谱,能量色散X射线衍射和拉曼光谱的组合获得尺寸,形态和化学组成。
更新日期:2020-05-30
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