Title :
Photoluminescence emission and Raman response of MoS2, MoSe2, and WSe2 nanolayers
Author :
Tonndorf, Philipp ; Schmidt, R. ; Bottger, Philipp ; Xiao Zhang ; Borner, Janna ; Liebig, A. ; Albrecht, Martin ; Kloc, Christian ; Gordan, Ovidiu ; Zahn, Dietrich R. T. ; de Vasconcellos, Steffen Michaelis ; Bratschitsch, Rudolf
Author_Institution :
Inst. of Phys., Chemnitz Univ. of Technol., Chemnitz, Germany
Abstract :
We investigate photoluminescence emission and absorption of mechanically exfoliated mono- and few-layers of the transition metal dichalcogenides MoS2, MoSe2, and WSe2 and elucidate the nature of the layer-dependent phonon modes via high-resolution Raman spectroscopy.
Keywords :
Raman spectra; molybdenum compounds; monolayers; nanophotonics; nanostructured materials; optical materials; optical multilayers; photoluminescence; tungsten compounds; MoS2; MoS2 nanolayer; MoSe2; MoSe2 nanolayer; Raman response; WSe2; WSe2 nanolayer; few-layers; high-resolution Raman spectroscopy; layer-dependent phonon modes; light absorption; mechanically exfoliated monolayers; photoluminescence emission; transition metal dichalcogenides;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA