Evren Mutlugün
YOU?
Author Swipe
View article: Performance boost in QLEDs using octanethiol-capped core/shell/shell quantum dots
Performance boost in QLEDs using octanethiol-capped core/shell/shell quantum dots Open
Quantum dots attract significant attention as one of the most promising colloidal nanocrystals with unique optical properties and potential applications for the next generation of display technology. In this paper, we evaluate the performa…
View article: Zinc Chalcogenide Based Shell Layers for Colloidal Quantum Wells
Zinc Chalcogenide Based Shell Layers for Colloidal Quantum Wells Open
Colloidal quantum wells, also known as colloidal nanoplatelets (NPLs), have emerged as a promising class of materials for light‐emitting devices (LEDs). However, the most widely studied core/shell NPLs, which rely on cadmium‐based shell la…
View article: Electrochemical and Optical Multi-Detection of Escherichia coli Through Magneto-Optic Nanoparticles: A Pencil-on-Paper Biosensor
Electrochemical and Optical Multi-Detection of Escherichia coli Through Magneto-Optic Nanoparticles: A Pencil-on-Paper Biosensor Open
Escherichia coli (E. coli) detection suffers from slow analysis time and high costs, along with the need for specificity. While state-of-the-art electrochemical biosensors are cost-efficient and easy to implement, their sensitivity and ana…
View article: Tailoring Quantum Dot Shell Thickness and Polyethylenimine Interlayers for Optimization of Inverted Quantum Dot Light-Emitting Diodes
Tailoring Quantum Dot Shell Thickness and Polyethylenimine Interlayers for Optimization of Inverted Quantum Dot Light-Emitting Diodes Open
Quantum dot light-emitting diodes (QLEDs) hold great promise for next-generation display applications owing to their exceptional optical properties and versatile tunability. In this study, we investigate the effects of quantum dot (QD) she…
View article: Tattoo‐Like Multi‐Color Physically Unclonable Functions
Tattoo‐Like Multi‐Color Physically Unclonable Functions Open
Advanced anti‐counterfeiting and authentication approaches are in urgent need of the rapidly digitizing society. Physically unclonable functions (PUFs) attract significant attention as a new‐generation security primitive. The challenge is …
View article: Tuning the Shades of Red Emission in InP/ZnSe/ZnS Nanocrystals with Narrow Full Width for Fabrication of Light-Emitting Diodes
Tuning the Shades of Red Emission in InP/ZnSe/ZnS Nanocrystals with Narrow Full Width for Fabrication of Light-Emitting Diodes Open
While Cd-based luminescent nanocrystals (NCs) are the most mature NCs for fabricating efficient red light-emitting diodes (LEDs), their toxicity related limitation is inevitable, making it necessary to find a promising alternative. From th…
View article: Optical control of hierarchical DNA-functionalized nanoparticle self-assembly on 2D surfaces
Optical control of hierarchical DNA-functionalized nanoparticle self-assembly on 2D surfaces Open
We investigated the effect of light on the DNA-driven self-assembly to form hierarchical patterns on two dimensional surfaces. We specifically focused on the self-assembly of DNA-functionalized quantum dots (QDs) onto DNA-functionalized gl…
View article: PEGylated emissive CdSe/ZnS@Fe2O3 nanocrystals for the UV mediated superior degradation of methylene blue
PEGylated emissive CdSe/ZnS@Fe2O3 nanocrystals for the UV mediated superior degradation of methylene blue Open
This work focuses on the degradation of methylene blue (MB), which has a toxic effect in water and cannot be completely removed by classical methods, i.e. under UV light. Photocatalytic nanoparticles produced in heterogeneous structure wer…
View article: Nanowire-Shaped MoS<sub>2</sub>@MoO<sub>3</sub> Nanocomposites as a Hole Injection Layer for Quantum Dot Light-Emitting Diodes
Nanowire-Shaped MoS<sub>2</sub>@MoO<sub>3</sub> Nanocomposites as a Hole Injection Layer for Quantum Dot Light-Emitting Diodes Open
Molybdenum disulfides and molybdenum trioxides are structures that possess the potential to work as efficient charge transport layers in optoelectronic devices. In the present study, as opposed to the existing Mo-based nanostructures in fl…
View article: Natural Wax-Stabilized Perovskite Nanocrystals as Pen-on-Paper Inks and Doughs
Natural Wax-Stabilized Perovskite Nanocrystals as Pen-on-Paper Inks and Doughs Open
Perovskite nanocrystals (PNCs) are emerging luminescent materials for a wide range of technological applications. The broad adaptation of PNCs will be greatly improved by addressing their intrinsically low stability and developing processe…
View article: Meso-π-Extended/Deficient BODIPYs and Low-Band-Gap Donor–Acceptor Copolymers for Organic Optoelectronics
Meso-π-Extended/Deficient BODIPYs and Low-Band-Gap Donor–Acceptor Copolymers for Organic Optoelectronics Open
The realization of π-deficient acceptors and their donor–acceptor copolymers has become a key research focus for the realization of versatile organic optoelectronic materials and devices. Herein, we demonstrate the theoretical design, synt…
View article: Spectrally Wide-Range-Tunable, Efficient, and Bright Colloidal Light-Emitting Diodes of Quasi-2D Nanoplatelets Enabled by Engineered Alloyed Heterostructures
Spectrally Wide-Range-Tunable, Efficient, and Bright Colloidal Light-Emitting Diodes of Quasi-2D Nanoplatelets Enabled by Engineered Alloyed Heterostructures Open
Recently, there has been tremendous interest in the synthesis and optoelectronic applications of quasi-two-dimensional colloidal nanoplatelets (NPLs). Thanks to the ultranarrow emission linewidth, high-extinction coefficient, and high phot…
View article: Light‐Emitting Diodes: Record High External Quantum Efficiency of 19.2% Achieved in Light‐Emitting Diodes of Colloidal Quantum Wells Enabled by Hot‐Injection Shell Growth (Adv. Mater. 8/2020)
Light‐Emitting Diodes: Record High External Quantum Efficiency of 19.2% Achieved in Light‐Emitting Diodes of Colloidal Quantum Wells Enabled by Hot‐Injection Shell Growth (Adv. Mater. 8/2020) Open
In article number 1905824, Evren Mutlugun, Hilmi Volkan Demir, and co-workers report light-emitting diodes (LEDs) made from colloidal quantum wells (CQWs) that reach record external quantum efficiencies close to the theoretical limit (≈20%…
View article: Writing chemical patterns using electrospun fibers as nanoscale inkpots for directed assembly of colloidal nanocrystals
Writing chemical patterns using electrospun fibers as nanoscale inkpots for directed assembly of colloidal nanocrystals Open
Applications that range from electronics to biotechnology will greatly benefit from low-cost, scalable and multiplex fabrication of spatially defined arrays of colloidal inorganic nanocrystals.
View article: Record High External Quantum Efficiency of 19.2% Achieved in Light-Emitting Diodes of Colloidal Quantum Wells Enabled by Hot-Injection Shell Growth
Record High External Quantum Efficiency of 19.2% Achieved in Light-Emitting Diodes of Colloidal Quantum Wells Enabled by Hot-Injection Shell Growth Open
Colloidal quantum wells (CQWs) are regarded as a new, highly promising class of optoelectronic materials thanks to their unique excitonic characteristics of high extinction coefficient and ultranarrow emission bandwidth. Although the expl…
View article: Record High External Quantum Efficiency of 19.2% Achieved in Light-Emitting Diodes of Colloidal Quantum Wells Enabled by Hot-Injection Shell Growth
Record High External Quantum Efficiency of 19.2% Achieved in Light-Emitting Diodes of Colloidal Quantum Wells Enabled by Hot-Injection Shell Growth Open
Colloidal quantum wells (CQWs) are regarded as a new, highly promising class of optoelectronic materials thanks to their unique excitonic characteristics of high extinction coefficient and ultranarrow emission bandwidth. Although the explo…
View article: Highly Stable, Near‐Unity Efficiency Atomically Flat Semiconductor Nanocrystals of CdSe/ZnS Hetero‐Nanoplatelets Enabled by ZnS‐Shell Hot‐Injection Growth
Highly Stable, Near‐Unity Efficiency Atomically Flat Semiconductor Nanocrystals of CdSe/ZnS Hetero‐Nanoplatelets Enabled by ZnS‐Shell Hot‐Injection Growth Open
Colloidal semiconductor nanoplatelets (NPLs) offer important benefits in nanocrystal optoelectronics with their unique excitonic properties. For NPLs, colloidal atomic layer deposition (c‐ALD) provides the ability to produce their core/she…
View article: Inducing transparency in the films of highly scattering particles
Inducing transparency in the films of highly scattering particles Open
Today colloids are employed in various products from creams and coatings to electronics. The ability to control their chemical, optical, or electronic features by controlling their size and shape explains why these materials are so widely …
View article: Cd-free quantum dot pellets for efficient white light generation
Cd-free quantum dot pellets for efficient white light generation Open
Semiconductor quantum dots have been on demand for niche optoelectronic applications providing color tenability and possessing high quantum yield and high extinction coefficient. Although the investigation of II-VI have attained a mature l…
View article: Electroluminescence Efficiency Enhancement in Quantum Dot Light‐Emitting Diodes by Embedding a Silver Nanoisland Layer
Electroluminescence Efficiency Enhancement in Quantum Dot Light‐Emitting Diodes by Embedding a Silver Nanoisland Layer Open
A colloidal quantum dot light‐emitting diode (QLED) is reported with substantially enhanced electroluminescence by embedding a thin layer of Ag nanoislands into hole transport layer. The maximum external quantum efficiency (EQE) of 7.1% ac…
View article: Observation of polarized gain from aligned colloidal nanorods
Observation of polarized gain from aligned colloidal nanorods Open
We demonstrated the highly polarized whispering-gallery mode lasing from aligned nanorods as a polarized gain medium formed in a capillary tube.