Articles with "colloidal quantum" as a keyword



Coupling of Infrared Active Colloidal Quantum Dots and Amorphous Selenium for Fast and Sensitive Photodetection

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202315304

Abstract: Colloidal quantum dot (CQD) based infrared (IR) photodetectors offer facile wavelength tunability in the IR and low‐cost fabrication. However, owing to their large surface areas, CQDs intrinsically have significant surface traps critically affecting the speed… read more here.

Keywords: photodetection; amorphous selenium; colloidal quantum;

The Rise of HgTe Colloidal Quantum Dots for Infrared Optoelectronics

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202405307

Abstract: Among materials produced as colloidal quantum dots (CQDs), HgTe has a special status being the only material covering the whole infrared range from the visible to the THz (0.7–100 µm). This unique property resulting from… read more here.

Keywords: hgte cqds; rise hgte; material; colloidal quantum ... See more keywords

Colloidal Quantum Dots‐Based Photoelectrochemical‐Type Optoelectronic Synapse

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202415178

Abstract: Current artificial neuromorphic systems are mainly constructed using solid‐state optoelectronic synaptic devices, limiting their potential artificial intelligence applications in liquid medium. Here, colloidal CuInGaSe/ZnSe quantum dots (QDs) with environment‐benign feature and broad visible light absorption… read more here.

Keywords: optoelectronic synaptic; type; colloidal quantum; quantum dots ... See more keywords

A Colloidal-Quantum-Dot-Based Self-Charging System via the Near-Infrared Band.

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Published in 2018 at "Advanced materials"

DOI: 10.1002/adma.201707224

Abstract: A novel self-charging platform is proposed using colloidal-quantum-dot (CQD) photovoltaics (PVs) via the near-infrared (NIR) band for low-power electronics. Low-bandgap CQDs can convert invisible NIR light sources to electrical energy more efficiently than wider spectra… read more here.

Keywords: charging system; quantum dot; colloidal quantum; self charging ... See more keywords
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A Chemically Orthogonal Hole Transport Layer for Efficient Colloidal Quantum Dot Solar Cells.

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Published in 2020 at "Advanced materials"

DOI: 10.1002/adma.201906199

Abstract: Colloidal quantum dots (CQDs) are of interest in light of their solution-processing and bandgap tuning. Advances in the performance of CQD optoelectronic devices require fine control over the properties of each layer in the device… read more here.

Keywords: hole transport; layer; active layer; transport layer ... See more keywords

Deterministic Assembly of Colloidal Quantum Dots for Multifunctional Integrated Photonics

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202110695

Abstract: Colloidal quantum dots (CQDs) are promising for photonic applications toward lasers, waveguides, and photodetectors. However, integration of high‐quality photonic elements into multifunctional devices is still restricted by optical losses stemming from the accumulation of defects… read more here.

Keywords: photonics; dots multifunctional; quantum dots; colloidal quantum ... See more keywords

Electron‐Transport Layers Employing Strongly Bound Ligands Enhance Stability in Colloidal Quantum Dot Infrared Photodetectors

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202206884

Abstract: Solution‐processed photodetectors based on colloidal quantum dots (CQDs) are promising candidates for short‐wavelength infrared light sensing applications. Present‐day CQD photodetectors employ a CQD active layer sandwiched between carrier‐transport layers in which the electron‐transport layer (ETL)… read more here.

Keywords: colloidal quantum; cqd photodetectors; transport; electron transport ... See more keywords

Recent Progress in Colloidal Quantum Dot Thermoelectrics.

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Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202210683

Abstract: Semiconducting colloidal quantum dots (CQDs) represent an emerging class of thermoelectric materials for use in a wide range of future applications. CQDs combine solution processability at low temperatures with the potential for upscalable manufacturing via… read more here.

Keywords: recent progress; progress colloidal; colloidal quantum; quantum dot ... See more keywords

Planar Cation Passivation on Colloidal Quantum Dots Enables High‐Performance 0.35–1.8 µm Broadband TFT Imager

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202313811

Abstract: Solution‐processed colloidal quantum dots (CQDs) are promising candidates for broadband photodetectors from visible light to shortwave infrared (SWIR). However, large‐size PbS CQDs sensitive to longer SWIR are mainly exposed with nonpolar (100) facets on the… read more here.

Keywords: colloidal quantum; cqds; passivation; planar cation ... See more keywords

Colloidal Quantum‐Dot Heterojunction Imagers for Room‐Temperature Thermal Imaging

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Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202416877

Abstract: Room‐temperature operation or high‐operation temperature (HOT) is essential for mid‐wave infrared (MWIR) optoelectronics devices providing low‐cost and compact systems for numerous applications. Colloidal quantum dots (CQDs) have emerged as a rising candidate to enable photodetectors… read more here.

Keywords: temperature; quantum dot; colloidal quantum; room temperature ... See more keywords

Infrared Colloidal Quantum Dot Lasers

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Published in 2025 at "Advanced Optical Materials"

DOI: 10.1002/adom.202500724

Abstract: Infrared (IR) lasers are crucial for diverse applications including optical communications, environmental sensing, biomedical imaging, ranging, and process quality control. Conventional IR lasers, based on III‐V semiconductor materials or optical fiber systems, face significant challenges… read more here.

Keywords: quantum dot; infrared colloidal; colloidal quantum; emission ... See more keywords