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Impact of the Halide Cage on the Electronic Properties of Fully Inorganic Cesium Lead Halide Perovskites
Perovskite solar cells with record power conversion efficiency are fabricated by alloying both hybrid and fully inorganic compounds. While the basic electronic properties of the hybrid perovskitesExpand
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Dense arrays of ordered pyramidal quantum dots with narrow linewidth photoluminescence spectra.
Arrays of site-controlled, pyramidal InGaAs/GaAs quantum dots (QDs) grown by organo-metallic chemical vapour deposition with densities comparable to those of self-assembled QDs (5 x 10(9) cm(-2)) areExpand
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Ordered systems of site-controlled pyramidal quantum dots incorporated in photonic crystal cavities.
The coupling of a prescribed number of site-controlled pyramidal quantum dots (QDs) with photonic crystal (PhC) cavities was studied by polarization and power-dependent photoluminescenceExpand
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Excitons in atomically thin black phosphorus
Raman scattering and photoluminescence spectroscopy are used to investigate the optical properties of single layer black phosphorus obtained by mechanical exfoliation of bulk crystals under an argonExpand
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Dense arrays of site-controlled quantum dots with tailored emission wavelength: Growth mechanisms and optical properties
We demonstrate the fabrication of arrayed, site-controlled pyramidal InGaAs/GaAs quantum dots (QDs) grown by metalorganic vapor phase epitaxy with tailored emission energy and periods as small as 200Expand
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Excitonic Properties of Low-Band-Gap Lead–Tin Halide Perovskites
The MAPb1–xSnxI3 (x = 0–1) (MA = methylammonium) perovskite family comprises a range of ideal absorber band gaps for single- and multijunction perovskite solar cells. Here, we use spectroscopicExpand
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Polarization properties and disorder effects in H3 photonic crystal cavities incorporating site-controlled, high-symmetry quantum dot arrays
We report on the effects of optical disorder on breaking the symmetry of the cavity modes of H3 photonic crystal cavities incorporating site-controlled pyramidal quantum dots (QDs) as the internalExpand
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Self-formation of hexagonal nanotemplates for growth of pyramidal quantum dots by metalorganic vapor phase epitaxy on patterned substrates
We demonstrate the self-formation of hexagonal nanotemplates on GaAs (111)B substrates patterned with arrays of inverted tetrahedral pyramids during metal-organic vapor phase epitaxy and its role inExpand
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Epitaxial Growth and Optical Properties of Dense Arrays of Pyramidal Quantum Dots
Keywords: Semiconductor ; MetalOrganic Vapour Phase Epitaxy ; pyramidal template ; quantum dot (QD) ; site and energy control ; Atomic Force Microscopy ; photoluminescence (PL) ; QD uniformity ;Expand
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Site-controlled quantum-wire and quantum-dot photonic-crystal microcavity lasers
Based on site- and energy-controlled quantum wires (QWR) and quantum dots (QD), diverse photonic-crystal microcavity laser systems are proposed and discussed. Results demonstrating QWR lasing, cavityExpand