Journal ArticleDOI
Band gap engineering in PbS nanostructured thin films from near-infrared down to visible range by in situ Cd-doping
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TLDR
In this paper, the modification of optical band gap of PbS nanostructured films over a wide spectral range (∼475-1000nm) due to in situ Cd-doping and size confinement was reported.About:
This article is published in Journal of Alloys and Compounds.The article was published on 2010-04-09. It has received 71 citations till now. The article focuses on the topics: Band gap & Chemical bath deposition.read more
Citations
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Six complexing agents and their effects on optical, structural, morphological and photoluminescence properties of lead sulphide thin films prepared by chemical route
TL;DR: In this article, the effect of applying various complexing agents on the growth mechanism and physical properties of lead sulphide (PbS) nanocrystalline thin films was investigated.
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A facile microwave synthesis of PbS:Sr nanoparticles and their key structural, morphological, optical, photoluminescence, dielectric and electrical studies for optoelectronics
TL;DR: In this paper, various Strontium (Sr) concentrations doped lead sulfide nanoparticles (NPs) were synthesized and subjected to key parameters analysis, and the enhancement in total electrical conductivity was observed from -11.67 to -7.83 S/cm at 10 kHz.
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High-Throughput Screening and Optimization of Binary Quantum Dots Cosensitized Solar Cell.
TL;DR: The harmonious accordance proved that the methodology based on combinatorial chemistry and SECM is valuable for the interfacial construction, high-throughput screening, and optimization of QDSSCs.
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Study of some physical properties of ultrasonically spray deposited silver doped lead sulphide thin films
Emrah Sarica,V. Bilgin +1 more
TL;DR: In this article, undoped and Ag doped PbS thin films at different concentrations were deposited onto glass substrates at 225°C by using ultrasonic spray pyrolysis technique, in order to investigate the effect of Ag doping on the physical properties of Pb S thin films.
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Tunable broadband wavelength-selective enhancement of responsivity in ordered Au-nanorod array-modified PbS photodetectors
TL;DR: In this paper, an enhanced tunable broadband wavelength-selective lead sulfide (PbS) film detector integrated with Au-nanorod arrays that were obtained by using an ultrathin open-ended porous titanium dioxide membrane (UOP-TM) as a mask.
References
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Solution-processed PbS quantum dot infrared photodetectors and photovoltaics
Steve Mcdonald,Gerasimos Konstantatos,Shiguo Zhang,Paul W. Cyr,Ethan J. D. Klem,Larissa Levina,Edward H. Sargent +6 more
TL;DR: Sittingizing conjugated polymers with infrared-active nanocrystal quantum dots provides a spectrally tunable means of accessing the infrared while maintaining the advantageous properties of polymers, and makes use of the wavelength tunability afforded by the nanocrystals to show photocurrent spectra tailored to three different regions of the infrared spectrum.
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Schottky-quantum dot photovoltaics for efficient infrared power conversion
Keith Johnston,Andras G. Pattantyus-Abraham,Jason Paul Clifford,S. Myrskog,Dean D. MacNeil,Larissa Levina,Edward H. Sargent +6 more
TL;DR: In this paper, a planar Schottky photovoltaic device was constructed from solution-processed PbS nanocrystal quantum dot films with aluminum and indium tin oxide contacts.
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Controlled synthesis of high-quality PbS star-shaped dendrites, multipods, truncated nanocubes, and nanocubes and their shape evolution process.
TL;DR: Novel star-shaped PbS dendrites with six symmetric arms along the 100 direction have been achieved using Pb(AC)2 and thioacetamide (TAA) as precursors, and this approach is expected to be employed for the control-shaped synthesis of other fcc structural semiconductor nanomaterials.
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Sonochemical Synthesis of Hollow PbS Nanospheres
Shufen Wang,Feng Gu,Meng Kai Lü +2 more
TL;DR: Structural characterization indicates that shells of the hollow spheres are composed of PbS nanoparticles with diameters of about 12 nm, and uniform silica layers were successfully coated onto the hollow sphere via a modified Stöber method to enhance their performance for promising applications.
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Oleic acid capped PbS nanoparticles: Synthesis, characterization and tribological properties
Shuang Chen,Weimin Liu +1 more
TL;DR: Oleic acid (OA) capped PbS nanoparticles were chemically synthesized and characterized by means of Fourier transform-infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), X-ray electron diffraction (XRD) and X-Ray photoelectron spectroscope (XPS) as discussed by the authors.