Trap-State Suppression and Improved Charge Transport in PbS Quantum Dot Solar Cells with Synergistic Mixed-Ligand Treatments.
Sign Up to like & getrecommendations! Published in 2017 at "Small"
DOI: 10.1002/smll.201700598
Abstract: The power conversion efficiency of colloidal PbS-quantum-dot (QD)-based solar cells is significantly hampered by lower-than-expected open circuit voltage (VOC ). The VOC deficit is considerably higher in QD-based solar cells compared to other types of… read more here.
Keywords: voc; pbs quantum; quantum dot; spectroscopy ... See more keywords
PbS Quantum Dots Based on Physically Unclonable Function for Ultra High-Density Key Generation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-019-07660-2
Abstract: Secure data encryption depends on the one-way functions and copy protection relies on features that are hard to reproduce. Herein, we present the physically unclonable function (PUF) concept based on PbS quantum dots (QDS) for… read more here.
Keywords: pbs quantum; density; physically unclonable; unclonable function ... See more keywords
Zn-doping enhances the photoluminescence and stability of PbS quantum dots for in vivo high-resolution imaging in the NIR-II window
Sign Up to like & getrecommendations! Published in 2020 at "Nano Research"
DOI: 10.1007/s12274-020-2843-4
Abstract: Lead sulfide (PbS) quantum dots (QDs) are important near infrared (NIR) luminescent materials with tunable and strong emission covering a broad NIR region. However, their optical properties are quite sensitive to air, water, and high… read more here.
Keywords: window; high resolution; pbs quantum; stability pbs ... See more keywords
A novel, PbS:Hg quantum dot-sensitized, highly efficient solar cell structure with triple layered TiO2 photoanode
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.02.140
Abstract: Abstract Hg-doped PbS quantum dot-sensitized solar cells (QDSSCs) were fabricated using successive ionic layer adsorption and reaction method with TiO 2 single layer, double layer and triple layer photoanode nanostructures. The triple layer TiO 2… read more here.
Keywords: pbs quantum; layer; photoanode; solar cell ... See more keywords
Constructing aligned single-crystalline TiO2 nanorod array photoelectrode for PbS quantum dot-sensitized solar cell with high fill factor
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.05.060
Abstract: Abstract Low bandgap PbS quantum dots (QDs) have attracted special interests serving as promising sensitizers for developing high performance near-infrared responsive photovoltaics. However, the commonly studied successive ionic layer adsorption and reaction (SILAR) processed PbS… read more here.
Keywords: pbs; pbs quantum; sensitized solar; solar cell ... See more keywords
Temperature-dependent spontaneous emission of PbS quantum dots inside photonic nanostructures at telecommunication wavelength
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.09.059
Abstract: Abstract Spontaneous emission of PbS quantum dots (QDs) in different photonic nanostructures has been studied. We use the temperature-dependent exciton photoluminescence and the classic dipole near interface models to understand the spontaneous emission control at… read more here.
Keywords: pbs; pbs quantum; emission pbs; spontaneous emission ... See more keywords
Size-Dependent PbS Quantum Dot Surface Chemistry Investigated via Gel Permeation Chromatography
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c02024
Abstract: We report the first comprehensive study on the purification of PbS quantum dots (QDs) using gel permeation chromatography (GPC). GPC enables the efficient and repeatable separation of unbound small... read more here.
Keywords: permeation chromatography; pbs quantum; chemistry; gel permeation ... See more keywords
S-Rich PbS Quantum Dots: A Promising p-Type Material for Optoelectronic Devices
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c03865
Abstract: PbS colloidal quantum dots (CQDs) are versatile building blocks for bottom-up fabrication of various optoelectronic devices. The transport properties of thin films of this class of materials depend... read more here.
Keywords: promising type; optoelectronic devices; pbs quantum; rich pbs ... See more keywords
Tandem Solar Cells from Solution-Processed CdTe and PbS Quantum Dots Using a ZnTe-ZnO Tunnel Junction.
Sign Up to like & getrecommendations! Published in 2017 at "Nano letters"
DOI: 10.1021/acs.nanolett.6b04423
Abstract: We developed a monolithic CdTe-PbS tandem solar cell architecture in which both the CdTe and PbS absorber layers are solution-processed from nanocrystal inks. Due to their tunable nature, PbS quantum dots (QDs), with a controllable… read more here.
Keywords: pbs; solution processed; cdte pbs; pbs quantum ... See more keywords
Scalable PbS Quantum Dot Solar Cell Production by Blade Coating from Stable Inks.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c18204
Abstract: The recent development of phase transfer ligand exchange methods for PbS quantum dots (QD) has enhanced the performance of quantum dots solar cells and greatly simplified the complexity of film deposition. However, the dispersions of… read more here.
Keywords: pbs quantum; solar cell; blade coating; cell production ... See more keywords
MoS2/WSe2 vdW Heterostructures Decorated with PbS Quantum Dots for the Development of High-Performance Photovoltaic and Broadband Photodiodes.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c02012
Abstract: van der Waals heterostructures (vdWHs) overcoming the lattice and processing limitations of conventional heterostructures provide an opportunity to develop high-performance 2D vdWH solar cells and photodiodes. However, it is challenging to improve the sensitivity and… read more here.
Keywords: mos2 wse2; pbs quantum; high performance; response speed ... See more keywords