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Showing 1–46 of 46 results
Advanced filters: Author: Olga Bubnova Clear advanced filters

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 356

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 620

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 14, P: 730

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 769

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 436

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 14, P: 406

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 94

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 178

  • Although it has been shown that engineering of conducting polymers such as poly(3,4-ethyldioxythiophene) can improve the Seebeck coefficient and the figure of merit ZT of these materials, the mechanisms underlying this improved thermoelectric behaviour are still not fully understood. It is now reported that the band structure of semicrystalline films of these bipolaronic polymers, resembling that of inorganic semi-metals used for thermoelectric applications, can explain these findings.

    • Olga Bubnova
    • Zia Ullah Khan
    • Xavier Crispin
    Research
    Nature Materials
    Volume: 13, P: 190-194

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    Volume: 13, P: 4

  • Looking back at some of the key discoveries that shaped the field.

    • Fabio Pulizzi
    • Olga Bubnova
    • Alberto Moscatelli
    Special Features
    Nature Nanotechnology
    Volume: 14, P: 914-918

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    P: 1

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    P: 1

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    P: 1

    • Olga Bubnova
    News & Views
    Nature Nanotechnology
    Volume: 12, P: 190

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    P: 1

    • Olga Bubnova
    Research Highlights
    Nature Nanotechnology
    P: 1

  • To reduce environmental impact, imec has presented a bottom-up lifecycle assessment of logic technology nodes and prepared first recommendations to lower carbon emissions. Here we talk to Lars-Åke Ragnarsson, program director of Sustainable Semiconductor Technologies and Systems at imec, about their approach to help the semiconductor industry reduce the environmental effects of integrated circuit manufacturing.

    • Olga Bubnova
    Comments & Opinion
    Nature Reviews Electrical Engineering
    Volume: 1, P: 214-215

  • Organic materials are rarely considered for thermoelectric applications, because their low electrical conductivity limits the thermoelectric figure of merit (ZT). It is now shown that by optimizing the oxidation level in a polymer, ZT can reach 0.25, which approaches the values desirable for devices.

    • Olga Bubnova
    • Zia Ullah Khan
    • Xavier Crispin
    Research
    Nature Materials
    Volume: 10, P: 429-433

  • Singlet fission in organic semiconductors can generate triplet exciton pairs that are crucial to the charge generation in a photovoltaic process, whilst their nature remains elusive. Here, Yonget al. show that the immediate triplet pair is bound and emissive in a range of acene and heteroacene materials.

    • Chaw Keong Yong
    • Andrew J. Musser
    • Henning Sirringhaus
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-12