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Gas Sensitivity of In0.3Ga0.7As Surface QDs Coupled to Multilayer Buried QDs [PDF]

open access: yesPhotonic Sensors, 2020
A detailed analysis of the electrical response of In0.3Ga0.7As surface quantum dots (SQDs) coupled to 5-layer buried quantum dots (BQDs) is carried out as a function of ethanol and acetone concentration while temperature-dependent photoluminescence (PL ...
Guodong Wang   +7 more
doaj   +3 more sources

A review on Quantum Dots (QDs) and their biomedical applications

open access: yes4 open, 2023
Quantum dots (QDs) are nanoscale semiconductor crystals that possess special characteristics, and they are used in various fields. The crystals are composed of elements that usually lie within the groups II-VI or III–V respectively. The diameter of these
Panja Avirup, Patra Prasun
doaj   +1 more source

Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy [PDF]

open access: yesEngineering and Technology Journal, 2014
Total Internal Reflection Microscopy has been employed to investigate Förster resonance energy transfer FRET for QD-dye conjugate system. QDs based donor systems are ideal for FRET for many reasons, one of them is that their broad excitation cross ...
Asma H. Mohammed
doaj   +1 more source

Shape control of QDs studied by cross-sectional scanning tunneling microscopy [PDF]

open access: yes, 2004
In this cross-sectional scanning tunneling microscopy study we investigated various techniques to control the shape of self-assembled quantum dots (QDs) and wetting layers (WLs).
Keizer, J. G.   +14 more
core   +7 more sources

Optical orientation and alignment of excitons in direct and indirect band gap (In,Al)As/AlAs quantum dots with type-I band alignment [PDF]

open access: yes, 2019
The spin structure and spin dynamics of excitons in an ensemble of (In,Al)As/AlAs quantum dots (QDs) with type-I band alignment, containing both direct and indirect band gap dots, are studied.
Bayer, M.   +6 more
core   +4 more sources

A novel insight into mechanism of derangement of coagulation balance: interactions of quantum dots with coagulation-related proteins

open access: yesParticle and Fibre Toxicology, 2022
Background Quantum dots (QDs) have gained increased attention for their extensive biomedical and electronic products applications. Due to the high priority of QDs in contacting the circulatory system, understanding the hemocompatibility of QDs is one of ...
Lingyan Zhang   +7 more
doaj   +1 more source

Study on the Color Compensation Effect of Composite Orange-Red Quantum Dots in WLED Application

open access: yesNanoscale Research Letters, 2020
Quantum dots (QDs) as emerging light-converting materials show the advantage of enhancing color quality of white light-emitting diode (WLED). However, WLEDs employing narrow-emitting monochromic QDs usually present unsatisfactory color rendering in the ...
Xiaoyue Hu   +4 more
doaj   +1 more source

Synthesis of biocompatible near infrared fluorescence Ag2S quantum dot and its application in bioimaging [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2014
Near infrared (NIR) emitting quantum dots (QDs) is a promising candidate for biomedical imaging in living tissues. However, the biomedical application of NIR QDs was not satisfactory due to their toxicity.
Xin Zhang, Yueqing Gu, Haiyan Chen
doaj   +1 more source

Physico-Chemical Transformation and Toxicity of Multi-Shell InP Quantum Dots under Simulated Sunlight Irradiation, in an Environmentally Realistic Scenario

open access: yesNanomaterials, 2022
Quantum dots (QDs) are widely used in optoelectronics, lighting, and photovoltaics leading to their potential release into the environment. The most promising alternative to the highly toxic cadmium selenide (CdSe) QDs are indium phosphide (InP) QDs ...
Fanny Dussert   +7 more
doaj   +1 more source

Caveolae-dependent endocytosis mediates the cellular uptake of CdTe quantum dots in ovarian cancer cell lines

open access: yesResearch in Pharmaceutical Sciences, 2022
Background and purpose: Quantum dots (QDs) are semiconductor nanocrystals that are widely used in biology due to their good optical properties. QDs, especially cadmium-based QDs, play an important role in the diagnosis and treatment of cancer due to ...
Zahra Asadian   +3 more
doaj   +1 more source

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