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Showing 1–9 of 9 results
Advanced filters: Author: Sebastian E. Reyes-Lillo Clear advanced filters

  • Pulsed laser deposition is used for the heteroepitaxial growth of methylammonium lead iodide (CH3NH3PbI3) thin films on a KCl substrate at room temperature. Experimental and computational results confirm cubic phase stabilization by tensile epitaxial strain in the CH3NH3PbI3 thin films.

    • Junia S. Solomon
    • Tatiana Soto-Montero
    • Monica Morales-Masis
    Research
    Nature Synthesis
    Volume: 4, P: 432-443

  • The photovoltaic properties of hybrid organic–inorganic perovskites are sensitive to the local microstructure, but difficult to quantify at the nanoscale. Leblebici et al. use conductive atomic force microscopy to map the local short-circuit current and open-circuit voltage, finding heterogeneity within individual grains.

    • Sibel Y. Leblebici
    • Linn Leppert
    • Alexander Weber-Bargioni
    Research
    Nature Energy
    Volume: 1, P: 1-7

  • Applying an electric field to an antiferroelectric material transforms its non-polar crystal structure into a polar one. Here, the authors show that the antiferroelectric transition in zirconia causes a negative capacitance, useful for electronics.

    • Michael Hoffmann
    • Zheng Wang
    • Asif Islam Khan
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Achieving high conductivity in metal-organic solids can be challenging, due to the difficulty of obtaining a good overlap between the d-orbitals of the metal and the π-orbitals of the organic molecule. Here, the authors present two coordination solids, VCl2(pyrazine)2 and TiCl2(pyrazine)2, with remarkably different electrical conductivity. While the former is an insulator, the latter displays the highest conductivity of any octahedrally coordinated metal ions based metal-organic solid.

    • Panagiota Perlepe
    • Itziar Oyarzabal
    • Rodolphe Clérac
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Layered coordination polymers are attractive for the preparation of advanced 2D materials but they are typically non-magnetic insulators. Now such a layered network, CrCl2(pyrazine)2, has been prepared that comprises a paramagnetic metal ion and a redox-active ligand. The material exhibits both magnetism — with a ferrimagnetic ground state — and high electrical conductivity.

    • Kasper S. Pedersen
    • Panagiota Perlepe
    • Rodolphe Clérac
    Research
    Nature Chemistry
    Volume: 10, P: 1056-1061

  • Elucidating electron-phonon coupling in hybrid organic-inorganic perovskites may help us to understand the high photovoltaic efficiency. Here, the authors observe low-frequency Raman modes and related nuclear displacements of the Pb–I framework, indicating how these vibrational motions lead to polaron formation in perovskites.

    • Myeongkee Park
    • Amanda J. Neukirch
    • Richard A. Mathies
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9