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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Connor, Paul Alexander
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2021Use of interplay between A-site non-stoichiometry and hydroxide doping to deliver novel proton-conducting perovskite oxidescitations
- 2021Carrier extraction from metallic perovskite oxide nanoparticlescitations
- 2020High oxide ion and proton conductivity in a disordered hexagonal perovskitecitations
- 2019Nanostructured perovskite solar cells
- 2018Transition metal chlorides NiCl2, KNiCl3, Li6VCl8 and Li2MnCl4 as alternative cathode materials in primary Li thermal batteriescitations
- 2017Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystalscitations
- 2017Synthesis and electrochemical study of CoNi2S4 as a novel cathode material in a primary Li thermal batterycitations
- 2016Zirconium trisulfide as a promising cathode material for Li primary thermal batteriescitations
- 2015Highly efficient, coking-resistant SOFCs for energy conversion using biogas fuelscitations
- 2015Anodescitations
- 2014Development and performance of MgFeCrO4 – based electrodes for solid oxide fuel cellscitations
- 2013Development and performance of MgFeCrO4 – based electrodes for solid oxide fuel cellscitations
- 2013Remarkable transition from rocksalt/perovskite layered structure to fluorite/rocksalt layered structure in rapidly cooled Ln 2 CuO 4citations
- 2013Remarkable transition from rocksalt/perovskite layered structure to fluorite/rocksalt layered structure in rapidly cooled Ln2CuO4citations
- 2013Development and performance of MgFeCrO 4 – based electrodes for solid oxide fuel cellscitations
- 2007Structural chemistry and conductivity of solid solution YBa 1-x Sr x Co 2 O 5+δcitations
Places of action
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article
Carrier extraction from metallic perovskite oxide nanoparticles
Abstract
We observe the extraction of carriers excited between two types of bands in the perovskite oxide, Sr-deficient strontium niobate (Sr<sub>0.9</sub>NbO<sub>3</sub>). Sr<sub>0.9</sub>NbO<sub>3</sub> exhibits metallic behaviour and high conductivity, whilst also displaying broad absorption across the ultraviolet, visible, and near-infrared spectral regions, making it an attractive material for solar energy conversion. Furthermore, the optoelectronic properties of strontium niobate can easily be tuned by varying the Sr fraction or through doping. Sr-deficient strontium niobate exhibits a split conduction band, which enables two types of optical transitions: intraband and interband. However, whether such carriers can be extracted from an unusual material as such remains unproven. In this report, we have overcome the immense challenge of photocarrier extraction by fabricating an extremely thin absorber layer of Sr<sub>0.9</sub>NbO<sub>3</sub> nanoparticles. These findings open up great opportunities to harvest a very broad solar spectral absorption range with reduced recombination losses.