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Efectos de dos tratamientos químicos sobre las propiedades ópticas de la fase cristalina de rutilo

Translated title of the contribution: Effects of two chemical treatments on the optical properties of the rutile crystalline phase.

Research output: Contribution to scientific journalArticle in an indexed scientific journalpeer-review

Abstract

The optical properties of the photocata-lysts are related to the band gap since it impacts the results of contaminant removal effectiveness during irradiation. Among the photocatalysts, anatase has been studied more than rutile. In the present work, chemical treatments were carried out on rutile to shift the band gap towards the visible zone of the electromagnetic spectrum. The results suggest that the incipient impregnation with Fe salts effectively shifts the energy gap to the visible area, significantly decreasing the maximum absorbance levels. While the partial reduction of rutile increases the absorbance levels when carried out at a temperature of 250 °C.

Translated title of the contributionEffects of two chemical treatments on the optical properties of the rutile crystalline phase.
Original languageSpanish
Pages (from-to)71-82
Number of pages12
JournalAvances en Quimica
Volume17
Issue number3
StatePublished - 1 Sep 2022

Bibliographical note

Publisher Copyright:
© 2022, Universidad de Los Andes. All rights reserved.

Types Minciencias

  • Artículos de investigación con calidad Q4

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