Junling Qu
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View article: The effect of steamed potato-wheat bread intake on weight, lipids, glucose, and urinary Na+/K+: A randomized controlled trial in Chinese adults
The effect of steamed potato-wheat bread intake on weight, lipids, glucose, and urinary Na+/K+: A randomized controlled trial in Chinese adults Open
Steamed potato bread has received much attention from nutritionists and agriculturalists since it became a staple food of China in 2015. Epidemiological studies have indicated that potatoes may cause diabetes and hypertension, but few tria…
View article: Optimized Infrared LED and Its Use in an All‐HgTe Nanocrystal‐Based Active Imaging Setup
Optimized Infrared LED and Its Use in an All‐HgTe Nanocrystal‐Based Active Imaging Setup Open
Nanocrystals (NCs) have reached a high level of maturity, enabling their integration into optoelectronic devices. The next challenge is the combination of several types of devices into one complex system to achieve better on‐chip integrati…
View article: Correlating Structure and Detection Properties in HgTe Nanocrystal Films
Correlating Structure and Detection Properties in HgTe Nanocrystal Films Open
HgTe nanocrystals (NCs) enable broadly tunable infrared absorption, now commonly used to design light sensors. This material tends to grow under multipodic shapes and does not present well-defined size distributions. Such point generates t…
View article: Colloidal semiconductor nanocrystals for optoelectronic applications: photodetectors and light emitting diodes
Colloidal semiconductor nanocrystals for optoelectronic applications: photodetectors and light emitting diodes Open
Nanocrystals with a dimension below their excitonic Bohr radius can provide size-tunable optoelectronic properties, enabling on-demand tailoring of properties for specific applications. Especially, the advance of wet chemistry synthesis of…
View article: Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence
Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence Open
International audience
View article: Complex Optical Index of HgTe Nanocrystal Infrared Thin Films and Its Use for Short Wave Infrared Photodiode Design
Complex Optical Index of HgTe Nanocrystal Infrared Thin Films and Its Use for Short Wave Infrared Photodiode Design Open
The limited investigation of the optical properties of HgTe nanocrystal (NC) thin films has become a bottleneck for the electromagnetic design of devices. Using broadband ellipsometry, the refractive index ( n ) and the extinction coeffici…
View article: Ferroelectric Gating of Narrow Band-Gap Nanocrystal Arrays with Enhanced Light–Matter Coupling
Ferroelectric Gating of Narrow Band-Gap Nanocrystal Arrays with Enhanced Light–Matter Coupling Open
International audience
View article: The Strong Confinement Regime in HgTe Two-Dimensional Nanoplatelets
The Strong Confinement Regime in HgTe Two-Dimensional Nanoplatelets Open
International audience
View article: Time-Resolved Photoemission to Unveil Electronic Coupling between Absorbing and Transport Layers in a Quantum Dot-Based Solar Cell
Time-Resolved Photoemission to Unveil Electronic Coupling between Absorbing and Transport Layers in a Quantum Dot-Based Solar Cell Open
International audience
View article: Electroluminescence from HgTe Nanocrystals and Its Use for Active Imaging
Electroluminescence from HgTe Nanocrystals and Its Use for Active Imaging Open
Mercury telluride (HgTe) nanocrystals are among the most versatile infrared (IR) materials with the absorption of lowest energy optical absorption which can be tuned from the visible to the terahertz range. Therefore, they have been extens…
View article: Nanoplatelet-Based Light-Emitting Diode and Its Use in All-Nanocrystal LiFi-like Communication
Nanoplatelet-Based Light-Emitting Diode and Its Use in All-Nanocrystal LiFi-like Communication Open
Now that colloidal nanocrystals (NCs) have been integrated as green and red sources for liquid crystal displays, the next challenge for quantum dots is their use in electrically driven light-emitting diodes (LEDs). Among various colloidal …
View article: Pushing Absorption of Perovskite Nanocrystals into the Infrared
Pushing Absorption of Perovskite Nanocrystals into the Infrared Open
To date, defect-tolerance electronic structure of lead halide perovskite nanocrystals is limited to an optical feature in the visible range. Here, we demonstrate that IR sensitization of formamidinium lead iodine (FAPI) nanocrystal array c…
View article: Near- to Long-Wave-Infrared Mercury Chalcogenide Nanocrystals from Liquid Mercury
Near- to Long-Wave-Infrared Mercury Chalcogenide Nanocrystals from Liquid Mercury Open
International audience
View article: Infrared narrow band gap nanocrystals: recent progresses relative to imaging and active detection
Infrared narrow band gap nanocrystals: recent progresses relative to imaging and active detection Open
Current technologies for infrared detection have been based on epitaxially grown semiconductors. Here we review some of the recent developments relative to colloidal nanocrystals and their use as building blocks for the design of low-cost …
View article: Revealing the Band Structure of FAPI Quantum Dot Film and Its Interfaces with Electron and Hole Transport Layer Using Time Resolved Photoemission
Revealing the Band Structure of FAPI Quantum Dot Film and Its Interfaces with Electron and Hole Transport Layer Using Time Resolved Photoemission Open
International audience
View article: Potential of Colloidal Quantum Dot Based Solar Cells for Near-Infrared Active Detection
Potential of Colloidal Quantum Dot Based Solar Cells for Near-Infrared Active Detection Open
International audience
View article: Azobenzenes as Light-Activable Carrier Density Switches in Nanocrystals
Azobenzenes as Light-Activable Carrier Density Switches in Nanocrystals Open
Control of carrier density in colloidal quantum dots is a major challenge for their integration into optoelectronic devices. Several chemical methods have been proposed to reach this goal including introduction of impurities, nonstoichiome…
View article: Near Unity Absorption in Nanocrystal Based Short Wave Infrared Photodetectors Using Guided Mode Resonators
Near Unity Absorption in Nanocrystal Based Short Wave Infrared Photodetectors Using Guided Mode Resonators Open
International audience
View article: HgTe Nanocrystals for SWIR Detection and Their Integration up to the Focal Plane Array
HgTe Nanocrystals for SWIR Detection and Their Integration up to the Focal Plane Array Open
Infrared applications remain too often a niche market due to their prohibitive cost. Nanocrystals offer an interesting alternative to reach cost disruption especially in the short-wave infrared (SWIR, λ < 1.7 μm) where material maturity is…
View article: HgTe Nanocrystal Inks for Extended Short‐Wave Infrared Detection
HgTe Nanocrystal Inks for Extended Short‐Wave Infrared Detection Open
Short‐wave infrared (IR) detection is currently driven by InGaAs technology which has limited the perspective of cost effectiveness and consequently slows the development of IR sensors. Since organic electronics are ineffective in this wav…
View article: Field-Effect Transistor and Photo-Transistor of Narrow-Band-Gap Nanocrystal Arrays Using Ionic Glasses
Field-Effect Transistor and Photo-Transistor of Narrow-Band-Gap Nanocrystal Arrays Using Ionic Glasses Open
The gating of nanocrystal films is currently driven by two approaches: either the use of a dielectric such as SiO2 or the use of electrolyte. SiO2 allows fast bias sweeping over a broad range of temperatures but requires a large operating …
View article: Effect of Pressure on Interband and Intraband Transition of Mercury Chalcogenide Quantum Dots
Effect of Pressure on Interband and Intraband Transition of Mercury Chalcogenide Quantum Dots Open
International audience
View article: Halide Ligands To Release Strain in Cadmium Chalcogenide Nanoplatelets and Achieve High Brightness
Halide Ligands To Release Strain in Cadmium Chalcogenide Nanoplatelets and Achieve High Brightness Open
Zinc blende II-VI semiconductor nanoplatelets (NPLs) are defined at the atomic scale along the thickness of the nanoparticle and are initially capped with carboxylates on the top and bottom [001] facets. These ligands are exchanged on CdSe…
View article: Transport in ITO Nanocrystals with Short- to Long-Wave Infrared Absorption for Heavy-Metal-Free Infrared Photodetection
Transport in ITO Nanocrystals with Short- to Long-Wave Infrared Absorption for Heavy-Metal-Free Infrared Photodetection Open
International audience
View article: Transport and Phototransport in ITO Nanocrystals with Short to Long-Wave Infrared Absorption
Transport and Phototransport in ITO Nanocrystals with Short to Long-Wave Infrared Absorption Open
Nanocrystals are often described as an interesting strategy for the design of low-cost optoelectronic devices especially in the infrared range. However the driving materials reaching infrared absorption are generally heavy metalcontaining …
View article: Impact of dimensionality and confinement on the electronic properties of mercury chalcogenide nanocrystals
Impact of dimensionality and confinement on the electronic properties of mercury chalcogenide nanocrystals Open
Infrared spectra of CdTe, HgTe and HgTe/CdS nanoplatelets.
View article: Intraband Mid-Infrared Transitions in Ag<sub>2</sub>Se Nanocrystals: Potential and Limitations for Hg-Free Low-Cost Photodetection
Intraband Mid-Infrared Transitions in Ag<sub>2</sub>Se Nanocrystals: Potential and Limitations for Hg-Free Low-Cost Photodetection Open
International audience; Infrared photodetection based on colloidal nanoparticles is a promising path toward low cost devices. However, mid-infrared absorption relies on interband transition in heavy metal based materials, which is a major …
View article: Short Wave Infrared Devices Based on HgTe Nanocrystals with Air Stable Performances
Short Wave Infrared Devices Based on HgTe Nanocrystals with Air Stable Performances Open
International audience; Colloidal quantum dots (CQDs) are candidates of interest for the design of low cost IR detector especially in the short wave infrared (SWIR; 0.8-3 µm), where the vicinity of the visible range makes the high cost of …