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Showing 1–5 of 5 results
Advanced filters: Author: John Buckeridge Clear advanced filters

  • A convincing explanation of why mixed phases of anatase and rutile TiO2 outperform individual polymorphs is lacking. An energetic band alignment of ~0.4 eV is now shown to exist between the two phases with anatase possessing the higher electron affinity. This observation explains the separation of photoexcited charge carriers between phases and could lead to improved photocatalysts.

    • David O. Scanlon
    • Charles W. Dunnill
    • Alexey A. Sokol
    Research
    Nature Materials
    Volume: 12, P: 798-801

  • This Perspective explores the history and usage of the concept of oxidation state, its relation to atomic charge and bonding, and opportunities that arise from applying this analysis to systems with mixed valence or correlated electrons.

    • Aron Walsh
    • Alexey A. Sokol
    • C. Richard A. Catlow
    Reviews
    Nature Materials
    Volume: 17, P: 958-964

  • Only about 1% of microplastics added to the surface in a two-year field incubation experiment reached depths of more than 8 cm, suggesting that microplastics can accumulate in the upper layers of the soil, creating localized pollution hotspots.

    • Roman B. Schefer
    • John Koestel
    • Denise M. Mitrano
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 6, P: 1-12