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  1. No Access

    Article

    Inhibition of Photodegradation Processes by Additive of Fluorinated Carbon Nanotubes into the Active Layer of Organic Photovoltaic Cells

    The composites based on a semiconducting polymer and a modified fullerene were deposited as active layers of organic photovoltaic cells (OPCs). Fluorinated carbon nanotubes were added into the composite accord...

    N. V. Kravets, D. A. Nevostruev, E. S. Kobeleva, D. E. Utkin… in High Energy Chemistry (2023)

  2. Article

    Open Access

    Manifestation of “Slow” Light in the Photocurrent Spectra of Ge/Si Quantum Dot Layers Combined with a Photonic Crystal

    The spectral characteristics of the photocurrent in the near-infrared range in vertical Ge/Si p–i–n photodiodes with Ge quantum dots embedded in a two-dimensional photonic crystal are investigated. The interactio...

    A. I. Yakimov, V. V. Kirienko, A. V. Dvurechenskii, D. E. Utkin in JETP Letters (2023)

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  3. Article

    Open Access

    Interdisk spacing effect on resonant properties of Ge disk lattices on Si substrates

    The light reflection properties of Ge disk lattices on Si substrates are studied as a function of the disk height and the gap width between disks. The interdisk spacing effect is observed even at such large ga...

    A. A. Shklyaev, D. E. Utkin, A. V. Tsarev, S. A. Kuznetsov… in Scientific Reports (2022)

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  4. No Access

    Article

    Heteroepitaxial Barium Strontium Niobate Films: Structure, Lattice Dynamics, and Dielectric Properties in the Range 0.1–2.5 THz

    We have studied the structure, lattice dynamics, and dielectric properties (terahertz spectroscopy) of heteroepitaxial Sr0.5Ba0.5Nb2O6 films grown on MgO (001) substrates by rf cathode sputtering in an oxygen atm...

    D. V. Stryukov, A. A. Mamrashev, V. D. Antsygin, K. A. Okotrub… in Inorganic Materials (2022)

  5. No Access

    Article

    Fluorination of single-walled carbon nanotubes and their application in organic photovoltaic cells as an electron acceptor

    A technique for increasing the degree of dispergation of TUBALL (OCSiAl) single-walled carbon nanotubes (SWCNTs) and for obtaining individual nanotubes was developed. A combination of steps including prelimina...

    E. S. Kobeleva, D. A. Nevostruev, M. N. Uvarov, D. E. Utkin… in Russian Chemical Bulletin (2021)

  6. No Access

    Article

    Broadband Antireflection Coatings Composed of Subwavelength-Sized SiGe Particles

    Antireflection properties of subwavelength-sized dielectric SiGe particles grown on Si(100) substrates using the dewetting phenomenon are studied. The average particle size has been set by the amount of deposi...

    D. E. Utkin, A. V. Tsarev, E. N. Utkin… in Optoelectronics, Instrumentation and Data … (2021)

  7. No Access

    Article

    Effect of Adhesive Layers on Photocurrent Enhancement in Near-Infrared Quantum-Dot Photodetectors Coupled with Metal-Nanodisk Arrays

    Plasmon-enhanced planar Ge/Si photodetectors with Ge quantum dots on silicon-on-insulator substrates coupled with regular arrays of metal nanodisks on their surface are developed. It is found that the introduc...

    A. I. Yakimov, V. V. Kirienko, A. A. Bloshkin, A. V. Dvurechenskii… in Semiconductors (2021)

  8. No Access

    Article

    Increase in the Photocurrent in Layers of Ge/Si Quantum Dots by Modes of a Two-Dimensional Photonic Crystal

    It has been found that the introduction of layers of Ge/Si quantum dots in a two-dimensional photonic crystal leads to a strong (up to a factor of 5) increase in the photocurrent in the near infrared range. Th...

    A. I. Yakimov, A. A. Bloshkin, V. V. Kirienko, A. V. Dvurechenskii… in JETP Letters (2021)

  9. No Access

    Article

    Enhancement of the Luminescence Signal from Self-Assembled Ge(Si) Nanoislands due to Interaction with the Modes of Two-Dimensional Photonic Crystals

    The results of studies of the luminescence properties of two-dimensional photonic crystals formed on the basis of silicon structures with self-assembled Ge(Si) nanoislands are reported. The possibilities of su...

    D. V. Yurasov, A. V. Novikov, S. A. Dyakov, M. V. Stepikhova… in Semiconductors (2020)

  10. No Access

    Article

    The Power of EPR Techniques in Investigating Functionalization and Penetration into Fibers of Cotton-Bound Antimicrobial Peptides

    The development of protective and safe textiles is of fundamental importance for defending the human body from bacterial infections. To this aim, garments are often functionalized with antibacterial agents. We...

    S. A. Dzuba, M. N. Uvarov, D. E. Utkin, F. Formaggio… in Applied Magnetic Resonance (2017)