Electronic structure of bi-activated luminescent compounds and pure bismuth photocatalytic compounds

Pieter Dorenbos*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)
20 Downloads (Pure)


The trends in electronic structure of Bi3+ and Bi2+ as luminescent dopant in wide bandgap inorganic compounds and that of pure Bicompounds for photocatalytic splitting of water are explored by determination of vacuum referred electron binding energies. Spectroscopic data combined with the chemical shift model from the luminescence field and data on flatband potentials in electrochemistry provide most of the needed data. Occasionally data from photoelectron spectroscopy is used. The trends in VRBE of Bi3+ and Bi2+ ground state and excited state levels resemble that of Ce3+ and Eu2+ lanthanides. To some extend a pure Bi-compound can be regarded as a 100% Bi3+ doped La-compound. This all will be demonstrated and an overview on Bi electronic structure is presented. Comparison of electronic structure for Bi as luminescent dopant in inorganic compounds with pure Bi-compounds entails also a comparison of two disciplines in electro-chemistry, that of luminescence materials and of photo-catalytic compounds.

Original languageEnglish
Article number086002
Number of pages13
JournalECS Journal of Solid State Science and Technology
Issue number8
Publication statusPublished - 2021


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