Role of excitons in the excitation of deep-level emission in ZnO crystals

In undoped ZnO crystals, photoluminescence excitation (PLE) spectra of deep‐level green and orange PL bands as well as photocurrent (PC) spectra were measured at 77 and 290 K. Some PLE and PC peaks whose energy positions coincided with that of free exciton and its excited states were observed, the i...

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Veröffentlicht in:	Physica status solidi. C 2010-06, Vol.7 (6), p.1605-1608
Hauptverfasser:	Kushnirenko, V. I., Markevich, I. V., Borkovska, L. V., Bulakh, B. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Band spectra Crystals defect levels Excitation Excitation spectra Excitons photocurrent photoluminescence Polycarbonates Spectra Zinc oxide ZnO
Online-Zugang:	Volltext
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