Photonic Structures of Luminescent Semiconductor Nanocrystals and Spherical Microcavities

Yury P. Rakovich, John F. Donegan, and Andrey L. Rogach

Abstract This chapter introduces three-dimensional photonic structures of luminescent semiconductor nanocrystals and spherical microcavities made by a layer-by-layer assembly as a versatile bottom-up nanofabrication technique. Fabrication aspects are discussed here and fundamental optical properties are presented for these nanostructures where two main concepts of solid-state physics, the complete 3D electronic and photonic confinement are merged. Several applications of hybrid photonic structures as building blocks for coupled optical emitters and waveguides are demonstrated.

Abbreviations ABN: Anti-bonding; ASPL: Anti-Stokes photoluminescence; BN: Bonding; FSR: Free spectral region; GLMT: Generalized Lorentz-Mie theory; LbL: Layer-by-layer; LO: Longitudinal optical; MA: Mercaptoethylamine; MF: Melamine formaldehyde; MPD: 3-mercapto-1,2-propanediol; NCs: Nanocrystals; PDDA: Poly(diallyldimethylammonium chloride); PE: Polyelectrolyte; PL: Photoluminescence; PM: Photonic molecule; PS: Polystyrene; PSS: Poly(sodium 4-styrenesulfonate); QY: Quantum yield; SMTB: Single-mode tight-binding; TE: Transverse electric; TGA: Thioglycolic acid; TM: Transverse magnetic; TO: Transverse optical; WGM: Whispering gallery modes.

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