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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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Walker, Marc
University of Warwick
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (37/37 displayed)
- 2024High-throughput combinatorial analysis of the spatiotemporal dynamics of nanoscale lithium metal platingcitations
- 2024Influence of co-reactants on surface passivation by nanoscale hafnium oxide layers grown by atomic layer deposition on siliconcitations
- 2024Silane functionalization of graphene nanoplatelets
- 2023Stable chemical enhancement of passivating nanolayer structures grown by atomic layer deposition on siliconcitations
- 2023Electronic band offset determination of oxides grown by atomic layer deposition on siliconcitations
- 2023From graphene to graphene oxide: the importance of extended topological defectscitations
- 2023Data for Influence of co-reactants on surface passivation by nanoscale hafnium oxide layers grown by atomic layer deposition on siliconcitations
- 2022Electronic characteristics of ultra‐thin passivation layers for silicon photovoltaicscitations
- 2022Polymer-tethered glyconanoparticle colourimetric biosensors for lectin binding : structural and experimental parameters to ensure a robust outputcitations
- 2022Understanding the interaction of organic corrosion inhibitors with copper at the molecular scale : benzotriazole on Cu(110)citations
- 2022Screening surface structure–electrochemical activity relationships of copper electrodes under CO2 electroreduction conditionscitations
- 2021Understanding the interaction of organic corrosion inhibitors with copper at the molecular scale:benzotriazole on Cu(110)citations
- 2021Investigation of the preparation and reactivity of metal-organic frameworks of cerium and pyridine-2,4,6-tricarboxylatecitations
- 2020Structures of mixed manganese ruthenium oxides ((Mn_{1−x}Ru_x)O_2) crystallised under acidic hydrothermal conditionscitations
- 2020Data for Atomic level termination for passivation and functionalisation of silicon surfaces
- 2020The improvement of Mo/4H-SiC Schottky diodes via a P2O5 surface passivation treatmentcitations
- 2020Evolution of Non-metallic Inclusions Through Processing in Ti-V Microalloyed 316L and Al-V Microalloyed 17-4PH Stainless Steels for Hipping Applicationscitations
- 2020Atomic level termination for passivation and functionalisation of silicon surfacescitations
- 2019Stabilizing Silver Window Electrodes for Organic Photovoltaics Using a Mercaptosilane Monolayer
- 2019Data for Exceptional surface passivation arising from bis(trifluoromethanesulfonyl)-based solutions
- 2019Durability and wear resistance of laser-textured hardened stainless steel surfaces with hydrophobic propertiescitations
- 2019Effect of HCl cleaning on InSb–Al<sub>2</sub>O<sub>3</sub> MOS capacitorscitations
- 2018Elucidating the Exceptional Passivation Effect of 0.8 nm Evaporated Aluminium on Transparent Copper Filmscitations
- 2018Elucidating the Exceptional Passivation Effect of 0.8 nm Evaporated Aluminium on Transparent Copper Films
- 2018Cs1−xRbxSnI3 light harvesting semiconductors for perovskite photovoltaicscitations
- 2018Cs 1-: X Rb x SnI 3 light harvesting semiconductors for perovskite photovoltaicscitations
- 2017Electrochemical maps and movies of the hydrogen evolution reaction on natural crystals of molybdenite (MoS2)citations
- 2017In-situ catalytic upgrading of heavy oil using dispersed bionanoparticles supported on gram-positive and gram-negative bacteriacitations
- 2017Elucidating the role of the hole-extracting electrode on the stability and efficiency of inverted CsSnI3 / C60 perovskite photovoltaicscitations
- 2016Surface passivation of semiconducting oxides by self-assembled nanoparticlescitations
- 2016A Synthetic Route for the Effective Preparation of Metal Alloy Nanoparticles and Their Use as Active Electrocatalystscitations
- 2016‘Grafting to’ of RAFTed responsive polymers to glass substrates by thiol-ene and critical comparison to thiol-gold couplingcitations
- 2015Structural, optical and vibrational properties of self-assembled Pbn+1(Ti1−xFex)nO3n+1−δ Ruddlesden-Popper superstructurescitations
- 2014Pinning effect on the band gap modulation of crystalline BexZn1−xO alloy films grown on Al2O3 (0001)citations
- 2014Pinning effect on the band gap modulation of crystalline Be x Zn 1 - x O alloy films grown on Al 2 O 3 (0001)
- 2014Weak mismatch epitaxy and structural feedback in graphene growth on copper foilcitations
- 2013Weak mismatch epitaxy and structural feedback in graphene growth on copper foilcitations
Places of action
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article
Cs1−xRbxSnI3 light harvesting semiconductors for perovskite photovoltaics
Abstract
We show that films of the 3-dimensional perovskite Cs1−xRbxSnI3 can be prepared from room temperature N,N-dimethylformamide solutions of RbI, CsI and SnCl2 for x ≤ 0.5, and that for x ≤ 0.2 film stability is sufficient for utility as the light harvesting layer in inverted photovoltaic (PV) devices. Electronic absorption and photoluminescence spectroscopy measurements supported by computational simulation, show that increasing x increases the band gap, due to distortion of the lattice of SnI6 octahedra that occurs when Cs is substituted with Rb, although it also reduces the stability towards decomposition. When Cs0.8Rb0.2SnI3 perovskite is incorporated into the model inverted PV device structure; ITO|perovskite|C60|bathocuproine|Al, an ∼120 mV increase in open-circuit is achieved which is shown to correlate with an increase in perovskite ionisation potential. However, for this low Rb loading the increase in band gap is very small (∼30 meV) and so a significant increase in open circuit-voltage is achieved without reducing the range of wavelengths over which the perovskite can harvest light. The experimental findings presented are shown to agree well with the predictions of density functional theory (DFT) simulations of the stability and electronic structure, also performed as part of this study.