Search references:
1.
Chen, Wei; Tang, Haodong; Chen, Yulong; Heger, Julian E; Li, Nian; Kreuzer, Lucas P; Xie, Yue; Li, Depeng; Anthony, Carl; Pikramenou, Zoe; Ng, Kar Wei; Sun, Xiao Wei; Wang, Kai; Müller-Buschbaum, Peter
Spray-deposited PbS colloidal quantum dot solid for near-infrared photodetectors Journal Article
In: Nano Energy, vol. 78, pp. 105254, 2020, ISSN: 2211-2855.
@article{Chen2020a,
title = {Spray-deposited PbS colloidal quantum dot solid for near-infrared photodetectors},
author = {Wei Chen and Haodong Tang and Yulong Chen and Julian E Heger and Nian Li and Lucas P Kreuzer and Yue Xie and Depeng Li and Carl Anthony and Zoe Pikramenou and Kar Wei Ng and Xiao Wei Sun and Kai Wang and Peter Müller-Buschbaum},
url = {http://www.sciencedirect.com/science/article/pii/S2211285520308326},
doi = {https://doi.org/10.1016/j.nanoen.2020.105254},
issn = {2211-2855},
year = {2020},
date = {2020-01-01},
journal = {Nano Energy},
volume = {78},
pages = {105254},
abstract = {Colloidal PbS quantum dots (QDs) are promising candidates for various optoelectronic applications based on solution-processed thin-film techniques. In this work, a versatile layer-by-layer (LBL) spray deposition of the QDs is introduced aiming for a future large-scale fabrication process of optoelectronic devices. As compared to spin-coated QD solids, a smaller inter-dot distance and a better-ordered superlattice stacking behavior of the QDs are found in the spray-deposited QD solids as confirmed by grazing-incidence small-angle X-ray scattering (GISAXS). The spectral mapping combined time-resolved photoluminescence analysis indicates a longer charge carrier lifetime and better order of the energy state distribution of the spray-deposited QD solid comparing with the spin-coated one. Thus, photodetectors based on spray deposition of QD solids demonstrate an excellent device performance, with the responsivity achieving 365.1 A/W and the detectivity reaching up to 1.4 × 1012 Jones under an illumination power of 63.5 μW/cm2 at a wavelength of 1250 nm. The spray-deposited device performances indicate a great potential of spray deposition of large sized QDs in large-scale fabrications for optoelectronics using longer wavelengths.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Colloidal PbS quantum dots (QDs) are promising candidates for various optoelectronic applications based on solution-processed thin-film techniques. In this work, a versatile layer-by-layer (LBL) spray deposition of the QDs is introduced aiming for a future large-scale fabrication process of optoelectronic devices. As compared to spin-coated QD solids, a smaller inter-dot distance and a better-ordered superlattice stacking behavior of the QDs are found in the spray-deposited QD solids as confirmed by grazing-incidence small-angle X-ray scattering (GISAXS). The spectral mapping combined time-resolved photoluminescence analysis indicates a longer charge carrier lifetime and better order of the energy state distribution of the spray-deposited QD solid comparing with the spin-coated one. Thus, photodetectors based on spray deposition of QD solids demonstrate an excellent device performance, with the responsivity achieving 365.1 A/W and the detectivity reaching up to 1.4 × 1012 Jones under an illumination power of 63.5 μW/cm2 at a wavelength of 1250 nm. The spray-deposited device performances indicate a great potential of spray deposition of large sized QDs in large-scale fabrications for optoelectronics using longer wavelengths.
References (last update: Sept. 23, 2024):
2020
Chen, Wei; Tang, Haodong; Chen, Yulong; Heger, Julian E; Li, Nian; Kreuzer, Lucas P; Xie, Yue; Li, Depeng; Anthony, Carl; Pikramenou, Zoe; Ng, Kar Wei; Sun, Xiao Wei; Wang, Kai; Müller-Buschbaum, Peter
Spray-deposited PbS colloidal quantum dot solid for near-infrared photodetectors Journal Article
In: Nano Energy, vol. 78, pp. 105254, 2020, ISSN: 2211-2855.
Abstract | Links | BibTeX | Tags: GISAXS, Near-infrared photodetector, PbS quantum Dots, Spray deposition
@article{Chen2020a,
title = {Spray-deposited PbS colloidal quantum dot solid for near-infrared photodetectors},
author = {Wei Chen and Haodong Tang and Yulong Chen and Julian E Heger and Nian Li and Lucas P Kreuzer and Yue Xie and Depeng Li and Carl Anthony and Zoe Pikramenou and Kar Wei Ng and Xiao Wei Sun and Kai Wang and Peter Müller-Buschbaum},
url = {http://www.sciencedirect.com/science/article/pii/S2211285520308326},
doi = {https://doi.org/10.1016/j.nanoen.2020.105254},
issn = {2211-2855},
year = {2020},
date = {2020-01-01},
journal = {Nano Energy},
volume = {78},
pages = {105254},
abstract = {Colloidal PbS quantum dots (QDs) are promising candidates for various optoelectronic applications based on solution-processed thin-film techniques. In this work, a versatile layer-by-layer (LBL) spray deposition of the QDs is introduced aiming for a future large-scale fabrication process of optoelectronic devices. As compared to spin-coated QD solids, a smaller inter-dot distance and a better-ordered superlattice stacking behavior of the QDs are found in the spray-deposited QD solids as confirmed by grazing-incidence small-angle X-ray scattering (GISAXS). The spectral mapping combined time-resolved photoluminescence analysis indicates a longer charge carrier lifetime and better order of the energy state distribution of the spray-deposited QD solid comparing with the spin-coated one. Thus, photodetectors based on spray deposition of QD solids demonstrate an excellent device performance, with the responsivity achieving 365.1 A/W and the detectivity reaching up to 1.4 × 1012 Jones under an illumination power of 63.5 μW/cm2 at a wavelength of 1250 nm. The spray-deposited device performances indicate a great potential of spray deposition of large sized QDs in large-scale fabrications for optoelectronics using longer wavelengths.},
keywords = {GISAXS, Near-infrared photodetector, PbS quantum Dots, Spray deposition},
pubstate = {published},
tppubtype = {article}
}
Colloidal PbS quantum dots (QDs) are promising candidates for various optoelectronic applications based on solution-processed thin-film techniques. In this work, a versatile layer-by-layer (LBL) spray deposition of the QDs is introduced aiming for a future large-scale fabrication process of optoelectronic devices. As compared to spin-coated QD solids, a smaller inter-dot distance and a better-ordered superlattice stacking behavior of the QDs are found in the spray-deposited QD solids as confirmed by grazing-incidence small-angle X-ray scattering (GISAXS). The spectral mapping combined time-resolved photoluminescence analysis indicates a longer charge carrier lifetime and better order of the energy state distribution of the spray-deposited QD solid comparing with the spin-coated one. Thus, photodetectors based on spray deposition of QD solids demonstrate an excellent device performance, with the responsivity achieving 365.1 A/W and the detectivity reaching up to 1.4 × 1012 Jones under an illumination power of 63.5 μW/cm2 at a wavelength of 1250 nm. The spray-deposited device performances indicate a great potential of spray deposition of large sized QDs in large-scale fabrications for optoelectronics using longer wavelengths.