Multilayers of CdSe/CdS/ZnCdS Core/Wings/Shell Nanoplatelets Integrated in a Polymer Waveguide

abstract

In this work, fabrication of multilayers of colloidal CdSe/CdS/ZnCdS core/wings/shell nanoplatelets (NPls) on solid substrates by layer-by-layer deposition technology is successfully demonstrated for the first time. Integration of multilayers of nanoplatelets into polymeric waveguide resulted in strong dichroism in absorption and polarization effects in photoluminescence with preferable absorption and emission of TE (horizontal) mode that evidences about in-plane orientation of NPls relative to the planar waveguide. The propagation of the excitation and emission light along the waveguide was thoroughly investigated both theoretically and experimentally for different number of NPl layers.

keywords

COLLOIDAL SEMICONDUCTOR NANOPLATELETS; AMPLIFIED SPONTANEOUS EMISSION; CDSE NANOPLATELETS; ENERGY-TRANSFER; QUANTUM-WELLS; ELECTROLUMINESCENCE; NANOCRYSTALS; ABSORPTION; STABILITY; STACKING

subject category

Engineering; Optics; Physics

authors

Suarez, I; Munoz, R; Chirvony, V; Martinez-Pastor, JP; Artemyev, M; Prudnikau, A; Antanovich, A; Mikhailov, A

our authors

Groups

acknowledgements

This work was supported in part by Spanish MINECO (TEC2011-29120-C05-01) and in part by the Generalitat Valenciana (Prometeo 2012/010) projects and CHEMREAGENTS program.

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