Landau levels of the C-exciton in CuInSe2 studied by magneto-transmission

M. V. Yakushev, A. V. Rodina, G. M. Shuchalin, R. P. Seisian, M. A. Abdullaev, A. Rockett, V. D. Zhivulko, A. V. Mudryi, C. Faugeras, R. W. Martin

Research output: Contribution to journalArticlepeer-review


The electronic structure of the solar cell absorber CuInSe2 is studied using magneto-transmission in thin polycrystalline films at magnetic fields up to 29 T. A, B, and C free excitons are resolved in absorption spectra at zero field and a Landau level fan generated by diamagnetic exciton recombination is observed for fields above 7 T. The dependence of the C band exciton binding energy on magnetic fields, calculated using a hydrogenic approximation, is used to determine the C exciton Rydberg at 0 T (8.5 meV), band gap (1.2828 eV), and hole effective mass mso = (0.31 ± 0.12)m0 for the C valence sub-band.

Original languageEnglish (US)
Article number142103
JournalApplied Physics Letters
Issue number14
StatePublished - Oct 6 2014

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


Dive into the research topics of 'Landau levels of the C-exciton in CuInSe2 studied by magneto-transmission'. Together they form a unique fingerprint.

Cite this