Electrochemical formation of bismuth phosphate nanorods by anodization of bismuth

Min Yang, Nabeen K. Shrestha, Robert Hahn, Patrik Schmuki

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

We report on hexagonal-phase bismuth phosphate nanorods that can be formed on bismuth substrates by anodization in fluoride-containing concentrated phosphoric acid electrolyte. Under optimized conditions, BiPO4 layers can be formed that consist of rods with a diameter of 50-70 nm and a length of 250 nm. These nanorods are characterized by scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and photoluminescence measurements. The results confirm the presence of BiPO4 nanorods that show a high photoluminescence in the visible range of the spectrum, peaking at a wavelength of 440 nm.

Original languageEnglish
Pages (from-to)C5-C8
JournalElectrochemical and Solid-State Letters
Volume13
Issue number4
DOIs
StatePublished - 2010

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