Time-Resolved Photoluminescence of Undoped InP

B. M. Keyes, D. J. Dunlavy, R. K. Ahrenkiel, G. Shaw, G. P. Summers, N. Tzafaras, C. Lentz

Research output: Contribution to journalArticlepeer-review

9 Scopus Citations


Energy and time-resolved photoluminescence data have been obtained for nominally undoped (n 4.5×1015 cm-3) bulk InP grown by the vertical-gradient freeze method. The data were taken as a function of temperature, from 80 to 290 K, and analyzed using a solution to the continuity equation. The resulting lifetime values range from 300 ns to 3.2 μs, and surface recombination velocities were fund to be on the order of 103 cm/s. The temperature dependence can be explained by assuming a radiatively limited recombination with a resulting B coefficient ≥5.9×10 -11 cm3/s at 300 K.

Original languageAmerican English
Pages (from-to)4249-4251
Number of pages3
JournalJournal of Applied Physics
Issue number8
StatePublished - 1994

NREL Publication Number

  • ACNR/JA-14880


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