Charge carrier recombination processes, intragap defect states, and photoluminescence mechanisms in stoichiometric and reduced TiO<sub>2</sub> brookite nanorods: an interpretation scheme through <i>in situ</i> photoluminescence excitation spectroscopy in controlled environment-Reference-Cited by-同舟云学术

Charge carrier recombination processes, intragap defect states, and photoluminescence mechanisms in stoichiometric and reduced TiO₂ brookite nanorods: an interpretation scheme through in situ photoluminescence excitation spectroscopy in controlled environment

Published:2024 Issue:23 Volume:16 Page:11296-11309
ISSN:2040-3364
Container-title:Nanoscale
language:en
Short-container-title:Nanoscale

Author:

Rega Romina¹,Fioravanti Ambra²,Hejazi S. M. Hossein³⁴,Shahrezaei Mahdi³,Kment Štěpán³⁴,Maddalena Pasqualino⁵^ORCID,Naldoni Alberto⁶^ORCID,Lettieri Stefano⁵^ORCID

Affiliation:

1. Institute of Applied Sciences and Intelligent Systems “Eduardo Caianiello”, National Research Council (CNR-ISASI), Via Cintia 21, 80126 Napoli, Italy

2. Institute of Sciences and Technologies for Sustainable Energy and Mobility, National Research Council (CNR-STEMS), Via Canal Bianco 28, 44124 Ferrara, Italy

3. Czech Advanced Technology and Research Institute, Regional Centre of Advanced Technologies and Materials, Palacký University Olomouc, Křížkovského 511/8, 77900 Olomouc, Czech Republic

4. Nanotechnology Centre, Centre for Energy and Environmental Technologies, VŠB–Technical University of Ostrava, 17. listopadu 2172/15, Poruba, 708 00 Ostrava, Czech Republic

5. Department of Physics “E. Pancini”, University of Naples Federico II, Complesso Universitario di Monte S. Angelo, Via Cintia 21, 80126 Napoli, Italy

6. Department of Chemistry, University of Turin, Via Pietro Giuria, 7, 10125 Torino, Italy

Abstract

A scheme for the main photophysical processes in brookite TiO2 nanorods is derived by excitation-resolved PL spectroscopy in controlled gas environment, shedding light on their efficient hydrogen generation via alcohol photo-oxidation.

Funder

Ministero dell’Istruzione, dell’Università e della Ricerca

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/NR/D4NR00593G

Reference61 articles.

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4. Zur Polymorphie des Titandioxyds

5. Brookite: Nothing New under the Sun?