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Title: Fine-Tuning the Properties of Doped Multifunctional Materials by Controlled Reduction of Dopants

Abstract

The physical properties of doped multifunctional compounds are commonly tuned by controlling the amount of dopants, but this control is limited because all the properties are influenced simultaneously by this single parameter. We present a strategy that enables the fine-tuning of a specific combination of properties by controlling the reduction of dopants. The feasibility of this approach was demonstrated by optimizing the near-IR photoluminescence of strontium titanate SrTiO3:Ni for potential applications in biomedicine for a range of absorbance in the visible/near-IR region. We discussed how material properties, such as luminescence, conductivity, or photocatalytic properties can be designed by carefully controlling the ratio of dopants in different oxidation states.

Authors:
 [1];  [1];  [1];  [1];  [1];  [2];  [2];  [1];  [1]
  1. Centre National de la Recherche Scientifique (CNRS), Nantes Cedex (France)
  2. North Carolina State Univ., Raleigh, NC (United States). Dept. of Chemistry
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of California, Oakland, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1543479
Alternate Identifier(s):
OSTI ID: 1400466
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Chemistry - A European Journal
Additional Journal Information:
Journal Volume: 23; Journal Issue: 13; Journal ID: ISSN 0947-6539
Publisher:
ChemPubSoc Europe
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; chemistry; biomedicine; dopants; luminescence; multifunctional materials; visible/near-IR absorption

Citation Formats

Barroux, Hugo, Jiang, Tengfei, Paul, Camille, Massuyeau, Florian, Génois, Romain, Gordon, Elijah E., Whangbo, Myung-Hwan, Jobic, Stéphane, and Gautier, Romain. Fine-Tuning the Properties of Doped Multifunctional Materials by Controlled Reduction of Dopants. United States: N. p., 2017. Web. doi:10.1002/chem.201605707.
Barroux, Hugo, Jiang, Tengfei, Paul, Camille, Massuyeau, Florian, Génois, Romain, Gordon, Elijah E., Whangbo, Myung-Hwan, Jobic, Stéphane, & Gautier, Romain. Fine-Tuning the Properties of Doped Multifunctional Materials by Controlled Reduction of Dopants. United States. doi:10.1002/chem.201605707.
Barroux, Hugo, Jiang, Tengfei, Paul, Camille, Massuyeau, Florian, Génois, Romain, Gordon, Elijah E., Whangbo, Myung-Hwan, Jobic, Stéphane, and Gautier, Romain. Thu . "Fine-Tuning the Properties of Doped Multifunctional Materials by Controlled Reduction of Dopants". United States. doi:10.1002/chem.201605707. https://www.osti.gov/servlets/purl/1543479.
@article{osti_1543479,
title = {Fine-Tuning the Properties of Doped Multifunctional Materials by Controlled Reduction of Dopants},
author = {Barroux, Hugo and Jiang, Tengfei and Paul, Camille and Massuyeau, Florian and Génois, Romain and Gordon, Elijah E. and Whangbo, Myung-Hwan and Jobic, Stéphane and Gautier, Romain},
abstractNote = {The physical properties of doped multifunctional compounds are commonly tuned by controlling the amount of dopants, but this control is limited because all the properties are influenced simultaneously by this single parameter. We present a strategy that enables the fine-tuning of a specific combination of properties by controlling the reduction of dopants. The feasibility of this approach was demonstrated by optimizing the near-IR photoluminescence of strontium titanate SrTiO3:Ni for potential applications in biomedicine for a range of absorbance in the visible/near-IR region. We discussed how material properties, such as luminescence, conductivity, or photocatalytic properties can be designed by carefully controlling the ratio of dopants in different oxidation states.},
doi = {10.1002/chem.201605707},
journal = {Chemistry - A European Journal},
number = 13,
volume = 23,
place = {United States},
year = {2017},
month = {1}
}

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Figures / Tables:

Figure 1 Figure 1: (a) Coloration of SrTiO3:Ni(2%) samples reduced for different durations, (b) Visible/NIR absorbance and NIR-IR PL measurements (λexc = 340 nm) of SrTiO3: Ni(2%) reduced at 230°C for different durations and (c) evolution of the absorption at 520 nm and the emission at 1250 nm (λexc = 340 nm).

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