Microwave modulated and thermal modulated photoluminescence studies of PbI2 layered semiconductor

The exciton luminescence of PbI2 layered semiconductor has been examined utilizing microwave modulated photoluminescence (MMPL) and thermal modulated photoluminescence (TMPL) spectroscopy. In the MMPL experiment, the microwave electric field induces a nonequilibrium heating of free carriers. In the...

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Veröffentlicht in:	Journal of luminescence 1994-04, Vol.60-61, p.40-43
Hauptverfasser:	Lifshitz, E., Bykov, L., Ashkinadze, B.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron states Exact sciences and technology Excitons and related phenomena Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Other solid inorganic materials Photoluminescence Physics
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Zusammenfassung:	The exciton luminescence of PbI2 layered semiconductor has been examined utilizing microwave modulated photoluminescence (MMPL) and thermal modulated photoluminescence (TMPL) spectroscopy. In the MMPL experiment, the microwave electric field induces a nonequilibrium heating of free carriers. In the TMPL experiment, modulation creates an equilibrium thermal redistribution of carriers among the emitting states. The results revealed that MMPL and TMPL can be applied as high-resolution spectroscopic techniques.
ISSN:	0022-2313 1872-7883
DOI:	10.1016/0022-2313(94)90089-2