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Number of documents

20

Alexandra Levtchenko Ph.D.


Journal articles4 documents

  • Alexandra Levtchenko, Sylvain Le Gall, Rudolf Brüggemann, Jean-Paul Kleider. Determination of Defect Densities in Thin (i) a‐Si:H Used as the Passivation Layer in a‐Si:H/c‐Si Heterojunction Solar Cells from Static Planar Conductance Measurements. physica status solidi (RRL) - Rapid Research Letters, Wiley-VCH Verlag, 2019, 13 (12), pp.1900411. ⟨10.1002/pssr.201900411⟩. ⟨hal-02301811⟩
  • Alexandra Levtchenko, Sylvain Le Gall, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, et al.. Optoelectrical modeling of solar cells based on c-Si/a-Si:H nanowire arrays: focus on the electrical transport in between the nanowires. Nanotechnology, Institute of Physics, 2018, nanotechnology, 29 (25), pp.255401. ⟨10.1088/1361-6528/aab7e8⟩. ⟨hal-01738024⟩
  • A.S. Gudovskikh, A. Uvarov, A. Morozov, Artem Baranov, A. Kudryashov, et al.. Si doped GaP layers grown on Si wafers by low temperature PE-ALD. Journal of Renewable and Sustainable Energy, AIP Publishing, 2018, 10 (021001), pp.021001. ⟨10.1063/1.5000256⟩. ⟨hal-01738008⟩
  • Alexandra Levtchenko, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, J Alvarez, et al.. Coupling Optical and Electrical Modelling for the study of a-Si:H-based nanowire Array Solar Cells. physica status solidi (c), Wiley, 2017, E‐MRS 2017 Spring Meeting – Symposium E ; E‐MRS 2017 Spring Meeting – Symposium N, 14 (10), pp.1700181. ⟨10.1002/pssc.201700181⟩. ⟨hal-01589258⟩

Conference papers10 documents

  • Sylvain Le Gall, Alexandra Levtchenko, Rudolf Brüggemann, Jean-Paul Kleider. Defect densities analysis in thin (i) a-Si:H passivation layer inserted in a-Si:H/c-Si heterojunction solar cells using coplanar conductance measurements : a temperature dependence study. 37th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2020), Sep 2020, Lisbon, Portugal. ⟨hal-02946579⟩
  • Alexandra Levtchenko, Sylvain Le Gall, Rudolf Brüggemann, Marie-Estelle Gueunier-Farret, Jean-Paul Kleider. Determination of Effective Defects States by Varying the Thickness of Passivating (i)a-Si:H Layer in a-Si :H/c-Si Heterojunction Solar Cell Using Coplanar Conductance. 28th International Conference on Amorphous and nanocrystalline Semiconductors (ICANS 28), Aug 2019, Palaiseau, France. ⟨hal-02344024⟩
  • Sylvain Le Gall, Alexandra Levtchenko, Rudolf Brüggemann, Jean-Paul Kleider. Defects in the passivating buffer (i) a-Si:H layer of a-Si:H/c-Si heterojunction solar cells. JNPV 2019, Dec 2019, Dourdan, France. ⟨hal-02344064⟩
  • Jean-Paul Kleider, J Alvarez, Rudolf Brüggemann, Tristan Carrere, Marie-Estelle Gueunier-Farret, et al.. Recent progress on the amorphous silicon/crystalline silicon interface. 20th ISCMP School and Conference, Sep 2018, Varna, Bulgaria. ⟨hal-01943423⟩
  • Clément Marchat, Letian Dai, Soumyadeep Misra, Alexandre Jaffré, J Alvarez, et al.. Local open-circuit voltage characterization of thin-film radial junction PIN solar cells by Kelvin Probe Force Microscopy. MRS Spring Meeting 2018, Apr 2018, Phoenix, United States. ⟨hal-01801350⟩
  • Alexandra Levtchenko, Rudolf Brüggemann, Hrachya Kyureghian, Alexandre Jaffré, Aurore Brézard-Oudot, et al.. Modulated photocurrent and photoluminescence for the characterization of silicon heterojunctions: experiments and simulation. EMRS Spring Meeting 2018, Jun 2018, Strasbourg, France. ⟨hal-01801362⟩
  • Alexandra Levtchenko, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, J Alvarez, et al.. Influence of electrical transport properties on performance of Si nanowire array solar cells assessed by optoelectrical modeling. E-MRS 2017 Spring Meeting, May 2017, Strasbourg, France. ⟨hal-01632933⟩
  • Alexander S. Gudovskikh, D. A. Kudryashov, I.A. Morozov, Artem Baranov, A.V. Uvarov, et al.. Low temperature plasma enhanced atomic layer deposition of GaP films on Si substrates. ICANS27, The 27th International Conference on Amorphous and Nanocrystalline Semiconductors, Aug 2017, Seoul, South Korea. ⟨hal-01632966⟩
  • A.S. Gudovskikh, A.V. Uvarov, I.A. Morozov, Artem Baranov, D. A. Kudryashov, et al.. Si doped n-type GaP layers grown on Si wafers by low-temperature PE-ALD. Photovoltaic Technical Conference, PVTC 2017, May 2017, Marseille, France. ⟨hal-01632928⟩
  • Alexandra Levtchenko, Raphaël Lachaume, Jean-Paul Kleider, José Alvarez, Sana Laribi, et al.. Simulation électrique et optique de nanofils de Silicium en géométrie radiale pour des applications photovoltaïques. Journées Nationales du Photovoltaïque 2015 (JNPV 2015), Dec 2015, Dourdan, France. ⟨hal-01238536⟩

Poster communications6 documents

  • Clément Marchat, Letian Dai, Soumyadeep Misra, Alexandre Jaffré, J Alvarez, et al.. Caractérisation du potentiel de circuit-ouvert d’une cellule solaire Si à jonction radiale PIN en couche mince par la technique de Kelvin Probe Force Microscopy. Journées Nationales du PhotoVoltaïque, JNPV 2018, Dec 2018, Dourdan, France. ⟨hal-01943488⟩
  • Alexandra Levtchenko, Raphaël Lachaume, Jérôme Michallon, Stéphane Collin, J Alvarez, et al.. Couplage des modélisations électriques/optiques pour l'étude de cellules à base de nanofils a-Si:H. Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France. ⟨hal-01633176⟩
  • Alexandra Levtchenko, Raphaël Lachaume, Rudolf Brüggemann, Hrachya Kyureghian, Alexandre Jaffré, et al.. Application de la technique de photocourant modulé (MPC) aux cellules à hétérojonctions c-Si / a-Si:H. Journées Nationales du Photovoltaïque 2017, Dec 2017, Dourdan, France. ⟨hal-01633186⟩
  • Letian Dai, Mutaz Al-Ghzaiwat, Wanghua Chen, Martin Foldyna, Isabelle Maurin, et al.. Optimizing tin dioxide nanoparticles distribution for silicon nanowires growth. Nanowire week, May 2017, Lund, Sweden. ⟨hal-01632957⟩
  • Letian Dai, Martin Foldyna, Mutaz Al-Ghzaiwat, Wanghua Chen, Isabelle Maurin, et al.. Tandem radial-junction silicon nanowire solar cells fabricated by PECVD. Journées Nationales du Photovoltaïque (JNPV), Nov 2016, Dourdan, France. 2016. ⟨hal-01424667⟩
  • Alexandra Levtchenko, Aurore Brézard-Oudot, Alexandre Jaffré, J Alvarez, Artem Baranov, et al.. Etude des propriétés photoélectriques de couches de GaP deposées à basse température par des mesures de conductivité et de photocourant modulé. Journées Nationales du Photovoltaïque (JNPV 2016), Nov 2016, Dourdan, France. ⟨hal-01475039⟩