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CMP
Credit: Jack Hobhouse

Dr James Ball

Long Term Visitor

Sub department

  • Condensed Matter Physics
james.ball@physics.ox.ac.uk
Telephone: 01865 (2)72426
Clarendon Laboratory, room 071.7
  • About
  • Publications

Carrier trapping and recombination: the role of defect physics in enhancing the open circuit voltage of metal halide perovskite solar cells

Energy & Environmental Science Royal Society of Chemistry (RSC) 9:11 (2016) 3472-3481

Authors:

Tomas Leijtens, Giles E Eperon, Alex J Barker, Giulia Grancini, Wei Zhang, James M Ball, Ajay Ram Srimath Kandada, Henry J Snaith, Annamaria Petrozza
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Structural and optical properties of methylammonium lead iodide across the tetragonal to cubic phase transition: implications for perovskite solar cells

Energy & Environmental Science Royal Society of Chemistry (RSC) 9:1 (2016) 155-163

Authors:

Claudio Quarti, Edoardo Mosconi, James M Ball, Valerio D'Innocenzo, Chen Tao, Sandeep Pathak, Henry J Snaith, Annamaria Petrozza, Filippo De Angelis
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Modulating the Electron–Hole Interaction in a Hybrid Lead Halide Perovskite with an Electric Field

Journal of the American Chemical Society American Chemical Society (ACS) 137:49 (2015) 15451-15459

Authors:

Tomas Leijtens, Ajay Ram Srimath Kandada, Giles E Eperon, Giulia Grancini, Valerio D’Innocenzo, James M Ball, Samuel D Stranks, Henry J Snaith, Annamaria Petrozza
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Mapping Electric Field‐Induced Switchable Poling and Structural Degradation in Hybrid Lead Halide Perovskite Thin Films

Advanced Energy Materials Wiley 5:20 (2015)

Authors:

Tomas Leijtens, Eric T Hoke, Giulia Grancini, Daniel J Slotcavage, Giles E Eperon, James M Ball, Michele De Bastiani, Andrea R Bowring, Nicola Martino, Konrad Wojciechowski, Michael D McGehee, Henry J Snaith, Annamaria Petrozza
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Plasmonic-Induced Photon Recycling in Metal Halide Perovskite Solar Cells

Advanced Functional Materials 25:31 (2015) 5038-5046

Authors:

M Saliba, W Zhang, VM Burlakov, SD Stranks, Y Sun, JM Ball, MB Johnston, A Goriely, U Wiesner, HJ Snaith

Abstract:

Organic-inorganic metal halide perovskite solar cells have emerged in the past few years to promise highly efficient photovoltaic devices at low costs. Here, temperature-sensitive core-shell Ag@TiO2 nanoparticles are successfully incorporated into perovskite solar cells through a lowerature processing route, boosting the measured device efficiencies up to 16.3%. Experimental evidence is shown and a theoretical model is developed which predicts that the presence of highly polarizable nanoparticles enhances the radiative decay of excitons and increases the reabsorption of emitted radiation, representing a novel photon recycling scheme. The work elucidates the complicated subtle interactions between light and matter in plasmonic photovoltaic composites. Photonic and plasmonic schemes such as this may help to move highly efficient perovskite solar cells closer to the theoretical limiting efficiencies.
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