Alex Sheader

Subcellular localisation and identification of single atoms using quantitative scanning transmission electron microscopy

Alex Sheader, Gema Vizcay‐Barrena, Roland A. Fleck, Sarah J.L. Flatters et autres

Determining the concentration of elements in subcellular structures poses a significant challenge. By locating an elemental species at high spatial resolution and with subcellular context, and subsequently quantifying it on an absolute scale, new information about cellular function can be revealed. Such …

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A green solvent system for precursor phase-engineered sequential deposition of stable formamidinium lead triiodide for perovskite solar cells

Benjamin M. Gallant, Philippe J. Holzhey, Joel A. Smith, Saqlain Choudhary et autres

Perovskite solar cells (PSCs) offer an efficient, inexpensive alternative to current photovoltaic technologies, with the potential for manufacture via high-throughput coating methods. However, challenges for commercial-scale solution-processing of metal-halide perovskites include the use of harmful solvents, the expense of maintaining controlled atmospheric …

Anisotropic elastic strain in Pt-Co catalyst nanoparticles measured by correlated atomic resolution imaging and spectroscopy

Xiaonan Luo, Aakash Varambhia, Weixin Song, Zhao Shen et autres

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Characterising and Minimising Damage Effects in Air- and Beam-sensitive Solid-state Li-ion Battery Materials

Ruomu Zhang, Alex Sheader, Weixin Song, Emanuela Liberti et autres

Ruomu Zhang, Alex Sheader, Weixin Song, Emanuela Liberti, Peter Bruce, Peter Nellist; Characterising and Minimising Damage Effects in Air- and Beam-sensiti

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The atomic-scale microstructure of metal halide perovskite elucidated via low-dose electron microscopy

Mathias Uller Rothmann, Judy S. Kim, Juliane Borchert, Kilian B. Lohmann et autres

Mathias Rothmann, Judy kim, Juliane Borchert, Kilian Lohmann, Colum O'Leary, Alex Sheader, Laura Clark, Henry Snaith, Michael Johnston, Peter Nellist, Laur

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Understanding the crystallographic and microstructural properties of hybrid perovskite thin films through electron microscopy

Mathias Uller Rothmann, Laura M. Herz, Juliane Borchert, Kilian B. Lohmann et autres

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Atomic-scale microstructure of metal halide perovskite

Mathias Uller Rothmann, Judy S. Kim, Juliane Borchert, Kilian B. Lohmann et autres

Structural secrets of hybrid perovskites The optoelectronic and photovoltaic applications of polycrystalline hybrid metal halide perovskite films are notable because grain boundaries in most materials cause scattering of charge carriers that decreases performance. Electron microscopy studies of these materials have been hindered …

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Reliable Atomic-Resolution Observations of the Nanoscopic Properties of Hybrid Perovskite Thin Films

Mathias Uller Rothmann, Judy S. Kim, Juliane Borchert, Kilian B. Lohmann et autres

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