Browsing by Keywords "Colloidal nanoplatelets"
Now showing items 1-13 of 13
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Amplified Spontaneous Emission and Lasing in Colloidal Nanoplatelets
(American Chemical Society, 2014-07)Colloidal nanoplatelets (NPLs) have recently emerged as favorable light-emitting materials, which also show great potential as optical gain media due to their remarkable optical properties. In this work, we systematically ... -
Blue-emitting CdSe nanoplatelets enabled by sulfur-alloyed heterostructures for light-emitting diodes with low turn-on voltage
(American Chemical Society, 2021-12-28)Colloidal nanoplatelets (NPLs) have emerged as the last class of semiconductor nanocrystals for their potential optoelectronic applications. The heterostructures of these nanocrystals can achieve high photoluminescence ... -
Colloidal doping of thick nanoplatelets
(Bilkent University, 2022-12)Semiconductor nanoplatelets (NPLs) make an interesting group of nanocrystals with unique optical properties as a result of their quasi 2-dimensional (2D) electronic structure. Such emerging fascinating optical features ... -
Colloidal heterostructures of semiconductor quantum wells : synthesis, characterization and applications
(Bilkent University, 2017-06)Colloidal semiconductor quantum wells, also known as nanoplatelets (NPLs), have recently emerged as a new class of colloidal semiconductor nanocrystals enabling fascinating excitonic properties. With their quasi two-dimensional ... -
Colloidal synthesis of Ag(I)-doped CdSe nanoplatelets with partial cation exchange method
(Bilkent University, 2019-01)Colloidal nanoplatelets (NPLs) exhibit strong one-dimensional quantum confinement in the vertical direction. This makes them a highly attractive host system for studying variable doping techniques and effects without ... -
Continuously tunable emission in inverted type ‐ I CdS/CdSe core/crown semiconductor nanoplatelets
(Wiley, 2015-07-15)The synthesis and unique tunable optical properties of core/crown nanoplatelets having an inverted Type-I heterostructure are presented. Here, colloidal 2D CdS/CdSe heteronanoplatelets are grown with thickness of four ... -
Giant modal gain coefficients in colloidal II–VI nanoplatelets
(American Chemical Society, 2019)Modal gain coefficient is a key figure of merit for a laser material. Previously, net modal gain coefficients larger than a few thousand cm–1 were achieved in II–VI and III–V semiconductor gain media, but this required ... -
Near-field energy transfer into silicon inversely proportional to distance using quasi-2D colloidal quantum well donors
(Wiley-VCH Verlag GmbH & Co. KGaA, 2021-09-12)Silicon is the most prevalent material system for light-harvesting applications; however, its inherent indirect bandgap and consequent weak absorption limits its potential in optoelectronics. This paper proposes to address ... -
Near-unity efficiency energy transfer from colloidal semiconductor quantum wells of CdSe/cdS nanoplatelets to a monolayer of MoS2
(American Chemical Society, 2018)A hybrid structure of the quasi-2D colloidal semiconductor quantum wells assembled with a single layer of 2D transition metal dichalcogenides offers the possibility of highly strong dipole-to-dipole coupling, which may ... -
Optical gain and lasing of colloidal semiconductor quantum wells intimately integrated into optical cavities
(Bilkent University, 2019-07)Colloidal semiconductor quantum wells, also known as nanoplatelets (NPLs), attract an increasingly greater deal of interest as a promising material platform for light-generating applications. The superior optical properties ... -
Room-temperature lasing in colloidal nanoplatelets via mie-resonant bound states in the continuum
(American Chemical Society, 2020)Solid-state room-temperature lasing with tunability in a wide range of wavelengths is desirable for many applications. To achieve this, besides an efficient gain material with a tunable emission wavelength, a high ... -
Stacking in colloidal nanoplatelets: tuning excitonic properties
(American Chemical Society, 2014)Colloidal semiconductor quantum wells, also commonly known as nanoplatelets (NPLs), have arisen among the most promising materials for light generation and harvesting applications. Recently, NPLs have been found to assemble ... -
Thickness-tunable self-assembled colloidal nanoplatelet films enable ultrathin optical gain media
(American Chemical Society, 2020)We propose and demonstrate construction of highly uniform, multilayered superstructures of CdSe/CdZnS core/shell colloidal nanoplatelets (NPLs) using liquid interface self-assembly. These NPLs are sequentially deposited ...
