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5 Result(s)

within A. M. Shakhov Remove this filter Atomic, Molecular, Optical and Plasma Physics Remove this filter Biological and Medical Physics, Biophysics Remove this filter

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  1. No Access

    Article

    Physicochemical Mechanisms of Nanostructuring of Glass by Femtosecond Laser Pulses with the Use of Selective Etching

    Processes occurring at nanostructuring of glass irradiated by tightly focused single femtosecond laser pulses with selective chemical etching in the alkaline solution have been studied. Structures with a width...

    A. M. Shakhov, A. A. Astafiev, V. A. Nadtochenko in JETP Letters (2019)

  2. No Access

    Article

    Femtosecond Laser Synthesis of Luminescent Carbon Dots from Toluene

    Products of reactions in toluene induced by nonlinear absorption of femtosecond laser pulses are studied. Laser synthesis of carbon dots with characteristic sizes of several nanometers and luminescence in the ...

    A. A. Astafiev, A. M. Shakhov, A. A. Vasin, Yu. V. Kostina… in JETP Letters (2019)

  3. No Access

    Article

    Enhanced Nonlinear Photoluminescence of Au–Carbon Dot Nanohybrids Produced by Photocatalytic Reduction of Au(III) Ions

    Nanohybrids composed of carbon dots and gold nanoparticles are of considerable interest for luminescence imaging, photocatalysis, luminescence sensing and nonlinear optics. We describe a method for controlled ...

    A. A. Astafiev, A. M. Shakhov, S. A. Minayeva, V. A. Nadtochenko in JETP Letters (2021)

  4. No Access

    Article

    Resonance Energy Transfer Reveals the Presence of Multiple Luminescence Emission Centers within a Carbon Nanodot

    Carbon nanodots are an emerging class of nanomaterials which exhibit visible photoluminescence, commonly attributed to luminescent organic groups within their structure. A question important for understanding ...

    A. A. Astafiev, A. M. Shakhov, V. A. Nadtochenko in JETP Letters (2022)

  5. No Access

    Article

    Size-Dependent One- and Two-Photon Fluorescence of Acetonitrile-Derived Carbon Dots

    Carbon dots—carbonaceous luminescent nanoparticles—are increasingly employed in bioimaging, fluorescent sensing, photocatalysis, and light emitting devices. The nanoparticle size is the key morphological param...

    A. A. Astafiev, A. M. Shakhov, V. A. Nadtochenko in JETP Letters (2023)