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Chemobrionic Fabrication of Hierarchical Self‐Assembling Nanostructures of Copper Oxide and Hydroxide
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering.ORCID iD: 0000-0003-2286-8380
Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Armilla Granada, Spain. Instituto Carlos I de Física Teórica y Computacional, Universidad de Granada, Granada, Spain.ORCID iD: 0000-0001-7392-0957
Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Armilla Granada, Spain.ORCID iD: 0000-0001-8612-3826
2019 (English)In: ChemSystemsChem, E-ISSN 2570-4206Article in journal (Refereed) Epub ahead of print
Abstract [en]

Copper oxide nanostructures have great potential use in a plethora of nanotechnology applications including nanoelectronics, photovoltaics, sensors, electrochemistry, and pharmacology. In the present work we show how hierarchically nano‐structured copper oxide and hydroxide may be prepared through self‐assembly from CuSO4 salt and silicate solutions using the chemobrionic growth process of a chemical garden. Procedures were explored using the cupric salt in either solid (pellet and seed growth methods) or liquid phase (fluid injection techniques). Self‐assembling nanostructures were characterized by means of environmental scanning electron microscopy (ESEM) with energy‐dispersive X‐ray spectroscopy (EDX) analysis, micro‐Raman spectroscopy and X‐ray diffraction. Our results show the formation of crystalline aggregates of copper oxide and hydroxide in complex hierarchical nanostructured forms including fans, flowers, petals, skeins, lentils, and sheaves. Analytical methods corroborate that these nanostructures may be selected in shape and chemical composition with the reaction conditions.

Place, publisher, year, edition, pages
John Wiley & Sons, 2019.
Keywords [en]
chemical gardens, chemobrionics, copper hydroxide, copper oxide, nanostructures, self-assembly
National Category
Materials Chemistry Aerospace Engineering
Research subject
Atmospheric science
Identifiers
URN: urn:nbn:se:ltu:diva-75436DOI: 10.1002/syst.201900011OAI: oai:DiVA.org:ltu-75436DiVA, id: diva2:1341256
Available from: 2019-08-08 Created: 2019-08-08 Last updated: 2019-08-14

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Escamilla-Roa, Elizabeth

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Escamilla-Roa, ElizabethCartwright, Julyan H. E.Sainz-Díaz, C. Ignacio
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