Päivikki Repo

Manager

Research outputs

  1. 2019
  2. E-pub ahead of print
  3. Published

    Observation of Crystalline Oxidized Silicon Phase

    Kuzmin, M., Lehtiö, J. P., Mäkelä, J., Yasir, M., Rad, Z. J., Vuorinen, E., Lahti, A., Punkkinen, M., Laukkanen, P., Kokko, K. & 5 others, Hedman, H. P., Punkkinen, R., Lastusaari, M., Repo, P. & Savin, H., 22 Mar 2019, In : Advanced Materials Interfaces. 6, 6, 9 p., 1802033.

    Research output: Contribution to journalArticleScientificpeer-review

  4. 2018
  5. Published

    Silicon surface passivation with atomic layer deposited aluminum nitride

    Repo, P., Bao, Y., Seppanen, H., Sippola, P. & Savin, H., 25 May 2018, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers, p. 1-4 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  6. 2017
  7. Published

    Efficient surface passivation of black silicon using spatial atomic layer deposition

    Heikkinen, I., Repo, P., Vähänissi, V., Pasanen, T., Malinen, V. & Savin, H., 21 Sep 2017, 7th International Conference on Silicon Photovoltaics, SiliconPV 2017. Elsevier, p. 282–287 6 p. (Energy Procedia; vol. 124).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  8. Published

    Surface Passivation Properties of HfO2 Thin Film on n-Type Crystalline Si

    Cheng, X., Repo, P., Haug, H., Perros, A. P., Marstein, E. S., Di Sabatino, M. & Savin, H., 1 Mar 2017, In : IEEE Journal of Photovoltaics. 7, 2, p. 479-485 7 p., 7812606.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    Black silicon n-Type photodiodes with high response over wide spectral range

    Heinonen, J., Juntunen, M. A., Laine, H. S., Vähänissi, V., Repo, P., Dönsberg, T. & Savin, H., 2017, Optical Sensors 2017. 102310X. (Proceedings of SPIE : the International Society for Optical Engineering; vol. 10231).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  10. Published

    N-Type induced junction black silicon photodiode for UV detection

    Juntunen, M. A., Heinonen, J., Laine, H. S., Vähänissi, V., Repo, P., Vaskuri, A. & Savin, H., 2017, Integrated Photonics: Materials, Devices, and Applications IV. 7 p. 102490I. (Proceedings of SPIE ; vol. 10249).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  11. 2016
  12. Published

    Near-unity quantum efficiency of broadband black silicon photodiodes with an induced junction

    Juntunen, M. A., Heinonen, J., Vähänissi, V., Repo, P., Valluru, D. & Savin, H., 29 Nov 2016, In : Nature Photonics. 10, 12, p. 777-782 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Silicon surface passivation with atomic layer deposited aluminum nitride

    Repo, P., Bao, Y., Seppänen, H., Sippola, P. & Savin, H., 18 Nov 2016, IEEE 43rd Photovoltaic Specialists Conference (PVSC), Portland, Oregon, USA, June 5-10. IEEE, p. 2967-2970 4 p. 7750205. (Conference record of the IEEE Photovoltaic Specialists Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  14. Published

    Wave optical simulation of the light trapping properties of black silicon surface textures

    Bett, A. J., Eisenlohr, J., Höhn, O., Repo, P., Savin, H., Bläsi, B. & Goldschmidt, J. C., 21 Mar 2016, In : Optics Express. 24, 6, p. A434-A445 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    Effect of different ALD Al2O3 oxidants on the surface passivation of black silicon

    Repo, P. & Savin, H., 2016, Proceedings of the 6th International Conference on Crystalline Silicon Photovoltaics (SiliconPV 2016). Ribeyron, P-J., Cuevas, A., Weeber, A., Ballif, C., Glunz, S., Poortmans, J., Brendel, R., Aberle, A., Sinton, R., Verlinden, P. & Hahn, G. (eds.). Elsevier, p. 381-385 5 p. (Energy procedia; vol. 92).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  16. Published

    Reducing surface recombination in black silicon photovoltaic devices using atomic layer deposition

    Repo, P., 2016, Aalto University. 122 p.

    Research output: ThesisDoctoral ThesisCollection of Articles

  17. 2015
  18. Published

    Black silicon solar cells with interdigitated back-contacts achieve 22.1% efficiency

    Savin, H., Repo, P., von Gastrow, G., Ortega, P., Calle, E., Garin, M. & Alcubilla, R., 2015, In : Nature Nanotechnology. 10, 7

    Research output: Contribution to journalArticleScientificpeer-review

  19. Published

    Effect of substrate pretreatments on the atomic layer deposited Al2O3 passivation quality

    Bao, Y., Li, S., von Gastrow, G., Repo, P., Putkonen, M. & Savin, H., 2015, In : JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A. 33, 1, 4 p., 01A123.

    Research output: Contribution to journalArticleScientificpeer-review

  20. Published

    High-efficiency black silicon interdigitated back contacted solar cells on p-type and n-type c-Si substrates

    Ortega, P., Calle, E., von Gastrow, G., Repo, P., Carrió, D., Savin, H. & Alcubilla, R., 2015, In : Progress in Photovoltaics. 23, 11, p. 1448-1457 10 p.

    Research output: Contribution to journalArticleScientificpeer-review

  21. 2014
  22. Published

    Front side antireflection concepts for silicon solar cells with diffractive rear side structures

    Bett, A. J., Eisenlohr, J., Höhn, O., Bläsi, B., Benick, J., Repo, P., Savin, H., Goldschmidt, J. C. & Hermle, M., 2014.

    Research output: Working paperProfessional

  23. Published

    Interdigitated black silicon solar cells

    Repo, P. & Savin, H., 2014.

    Research output: Working paperProfessional

  24. 2013
  25. Published

    Effective passivation of black silicon surfaces by atomic layer deposition

    Repo, P., Haarahiltunen, A., Sainiemi, L., Yli-Koski, M., Talvitie, H., Schubert, M. & Savin, H., 2013, In : IEEE Journal of Photovoltaics. 3, 1, p. 90-94

    Research output: Contribution to journalArticleScientificpeer-review

  26. Published

    Effect of ALD Reactants on Blistering of Aluminum Oxide Films on Crystalline Silicon

    Li, S., Repo, P., von Gastrow, G., Bao, Y. & Savin, H., 2013, 39th IEEE Photovoltaic Specialist Conference, Tampa, USA June 17-21, 2013.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  27. Published

    Improved silicon surface passivation with atomic layer deposited Al2O3 for photovoltaic applications

    von Gastrow, G., Li, S., Bao, Y., Repo, P. & Savin, H., 2013, 25th Nordic Semiconductor Meeting, Espoo, Finland, June 9-12, 2013.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  28. Published

    Low-Cost Photovoltaic Materials

    Hashmi, G., Lund, P., Korppi-Tommola, J., Antila, L., Lemmetyinen, H., Kaunisto, K., Munter, T., Vuorinen, T., Nyman, M., Aarnio, H. & 4 others, Österbacka, R., Repo, P., von Gastrow, G. & Savin, H., 2013, Optics Days 2013, Helsinki, Finland, May 20-21, 2013.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

  29. Published

    N-type black silicon solar cells

    Repo, P., Benick, J., Vähänissi, V., Schön, J., von Gastrow, G., Steinhauser, B., Schubert, M. C., Hermle, M. & Savin, H., 2013, In : Energy Procedia. 38, p. 866-871

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Ozone-based batch atomic layer deposited Al2O3 for effective surface passivation

    von Gastrow, G., Li, S., Repo, P., Bao, Y., Putkonen, M. & Savin, H., 2013, In : Energy Procedia. 38, p. 890-894

    Research output: Contribution to journalArticleScientificpeer-review

  31. Published

    Passivation of black silicon boron emitters with atomic layer deposited aluminum oxide

    Repo, P., Benick, J., von Gastrow, G., Vähänissi, V., Heinz, F. D., Schön, J., Schubert, M. C. & Savin, H., 2013, In : PHYSICA STATUS SOLIDI: RAPID RESEARCH LETTERS. 7, 11, p. 950-954

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Sensitivity of Al2O3 Passivation on the Surface Condition Prior to the ALD Process

    Li, S., Repo, P., von Gastrow, G., Bao, Y. & Savin, H., 2013, 28th European Photovoltais Specialists conference EU PVSEC, Paris, France, September 30 -October 4, 2013.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  33. 2012
  34. Published

    Passivation of Black Silicon Surfaces with ALD Deposited Al2O3

    Repo, P., Haarahiltunen, A., Saininiemi, L., Ylikoski, M., Talvitie, H., Schubert, M. C. & Savin, H., 2012, 2nd International Conference on Crystalline Silicon Photovoltaics, April 2-4, Leuven, Belgium 2012. p. 1-2

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  35. 2011
  36. Published

    Characterization and simulation of GaInNAs solar cells grown by molecular beam epitaxy

    Repo, P., Lebedeva, N. & Savin, H., 2011, Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibiton, Hamburg, Germany, September 5-9, 2011. p. 621-624

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  37. Published

    Experimentally Defined Electronic Properties of InGaAsN: Input for Solar Cell Simulations

    Repo, P., Lebedeva, N. & Savin, H., 2011, 26th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, September 5-9, 2011. p. 621-624

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  38. Published

    Silicon Surface Passivation by Al2O3: Effect of ALD Reactants

    Repo, P., Talvitie, H., Li, S., Skarp, J. & Savin, H., 2011, In : Energy Procedia. 8, p. 681-687

    Research output: Contribution to journalArticleScientificpeer-review

ID: 98330