Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range
Since the discovery of the optical properties of two-dimensional (2D) titanium carbide (MXene) conductive material, an ever increasing interest has been devoted towards understanding it as a plasmonic substrate or nanoparticle. This noble metal-free alternative holds promise not only due to its lowe...
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MDPI AG
2021-02-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/8/2/36 |
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| author | Manuel Gonçalves Armen Melikyan Hayk Minassian Taron Makaryan Petros Petrosyan Tigran Sargsian |
| author_facet | Manuel Gonçalves Armen Melikyan Hayk Minassian Taron Makaryan Petros Petrosyan Tigran Sargsian |
| author_sort | Manuel Gonçalves |
| collection | DOAJ |
| description | Since the discovery of the optical properties of two-dimensional (2D) titanium carbide (MXene) conductive material, an ever increasing interest has been devoted towards understanding it as a plasmonic substrate or nanoparticle. This noble metal-free alternative holds promise not only due to its lower cost but also its 2D nature, hydrophilicity and apparent bio-compatibility. Herein, the optical properties of the most widely studied Ti<inline-formula><math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula>C<inline-formula><math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>T<inline-formula><math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><msub><mrow></mrow><mi mathvariant="normal">x</mi></msub></semantics></math></inline-formula> MXene nanosheets are theoretically analyzed and absorption cross-sections are calculated exploiting available experimental data on its dielectric function. The occurrence of quadrupole surface plasmon mode in the optical absorption spectra of large MXene nanoparticles is demonstrated for the first time. The resonance wavelengths corresponding to interband transitions, longitudinal and transversal dipole oscillations and quadrupole longitudinal surface plasmon mode are identified for single and coupled nanoparticles by modeling their shapes as ellipsoids, disks and cylinders. A new mechanism of excitation of longwave transversal surface plasmon oscillations by an external electric field perpendicular to the direction of charge oscillations is presented. Excitingly enough, a new effect in coupled MXene nanoparticles—Fano resonance—is unveiled. The results of calculations are compared to known experimental data on electron absorption spectroscopy, and good agreement is demonstrated. |
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| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-09T06:10:53Z |
| publishDate | 2021-02-01 |
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| series | Photonics |
| spelling | doaj.art-cc0d4169f043442bb931eb76991f69202023-12-03T11:58:31ZengMDPI AGPhotonics2304-67322021-02-01823610.3390/photonics8020036Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared RangeManuel Gonçalves0Armen Melikyan1Hayk Minassian2Taron Makaryan3Petros Petrosyan4Tigran Sargsian5Institute of Experimental Physics, Ulm University, Albert-Einstein-Allee 11, 89069 Ulm, GermanyInstitute of Engineering and Physics, Russian-Armenian (Slavonic) State University, Yerevan 0051, ArmeniaA. Alikhanian National Science Laboratory, Yerevan 0036, ArmeniaMurata Manufacturing Co., Ltd., 1-10-1 Higashikotari, Nagaokakyo-shi, Kyoto 617-8555, JapanDepartment of Physics, Yerevan State University, Yerevan 0025, ArmeniaDepartment of General Physics and Quantum Nanostructures, Russian-Armenian (Slavonic) State University, Yerevan 0051, ArmeniaSince the discovery of the optical properties of two-dimensional (2D) titanium carbide (MXene) conductive material, an ever increasing interest has been devoted towards understanding it as a plasmonic substrate or nanoparticle. This noble metal-free alternative holds promise not only due to its lower cost but also its 2D nature, hydrophilicity and apparent bio-compatibility. Herein, the optical properties of the most widely studied Ti<inline-formula><math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula>C<inline-formula><math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>T<inline-formula><math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><msub><mrow></mrow><mi mathvariant="normal">x</mi></msub></semantics></math></inline-formula> MXene nanosheets are theoretically analyzed and absorption cross-sections are calculated exploiting available experimental data on its dielectric function. The occurrence of quadrupole surface plasmon mode in the optical absorption spectra of large MXene nanoparticles is demonstrated for the first time. The resonance wavelengths corresponding to interband transitions, longitudinal and transversal dipole oscillations and quadrupole longitudinal surface plasmon mode are identified for single and coupled nanoparticles by modeling their shapes as ellipsoids, disks and cylinders. A new mechanism of excitation of longwave transversal surface plasmon oscillations by an external electric field perpendicular to the direction of charge oscillations is presented. Excitingly enough, a new effect in coupled MXene nanoparticles—Fano resonance—is unveiled. The results of calculations are compared to known experimental data on electron absorption spectroscopy, and good agreement is demonstrated.https://www.mdpi.com/2304-6732/8/2/36two-dimensional materialtitanium carbide MXenenear-field enhancementplasmonic material |
| spellingShingle | Manuel Gonçalves Armen Melikyan Hayk Minassian Taron Makaryan Petros Petrosyan Tigran Sargsian Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range Photonics two-dimensional material titanium carbide MXene near-field enhancement plasmonic material |
| title | Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range |
| title_full | Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range |
| title_fullStr | Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range |
| title_full_unstemmed | Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range |
| title_short | Interband, Surface Plasmon and Fano Resonances in Titanium Carbide (MXene) Nanoparticles in the Visible to Infrared Range |
| title_sort | interband surface plasmon and fano resonances in titanium carbide mxene nanoparticles in the visible to infrared range |
| topic | two-dimensional material titanium carbide MXene near-field enhancement plasmonic material |
| url | https://www.mdpi.com/2304-6732/8/2/36 |
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