Jump to main content
Jump to site search
Access to RSC content Close the message box

Continue to access RSC content when you are not at your institution. Follow our step-by-step guide.


Issue 4, 2019
Previous Article Next Article

Borax promotes the facile formation of hollow structure in Cu single crystalline nanoparticles for multifunctional electrocatalysis

Author affiliations

Abstract

Hollow nanostructured materials have numerous applications in various fields, such as electrochemical energy storage and electrocatalysis. These materials are commonly synthesized by template-based techniques. However, many templating methods are known to be time-consuming, laborious, and unsuitable for large-scale production. Here, for the first time, we find that borax can efficiently promote the formation of hollow metal oxide and metal in solution. The key role of borax is recognized as a structure-directing agent, different from the reported hard templating or Ostwald ripening. We prepared hollow Cu2O nanospheres and Cu2O coated hollow Cu single crystals (Cu/Cu2O) under different reduction conditions by this scalable template-free method. The hollow structure improves the density of active sites per unit mass, meanwhile the well-defined Cu/Cu2O heterojunction with a single-crystalline Cu core facilitates electron transfer. Therefore, the Cu/Cu2O shows excellent electrocatalytic activities for glucose oxidation and hydrogen peroxide reduction. The as-fabricated nonenzymatic sensor has an ultrawide linear measurement range (up to 14 mM glucose) and high detection sensitivity for glucose (453 μA cm−2 mM−1) and hydrogen peroxide (2.55 μA cm−2 mM−1).

Graphical abstract: Borax promotes the facile formation of hollow structure in Cu single crystalline nanoparticles for multifunctional electrocatalysis

Back to tab navigation

Supplementary files

Article information


Submitted
10 Dec 2018
Accepted
02 Mar 2019
First published
04 Mar 2019

Inorg. Chem. Front., 2019,6, 893-902
Article type
Research Article

Borax promotes the facile formation of hollow structure in Cu single crystalline nanoparticles for multifunctional electrocatalysis

B. Jia, Y. Zhao, Z. Zhang, L. Liu, M. Qin, H. Wu, Y. Liu, X. Qu and G. Qi, Inorg. Chem. Front., 2019, 6, 893
DOI: 10.1039/C8QI01330F

Social activity

Search articles by author

Spotlight

Advertisements