Recombination Losses Above and Below the Transport Percolation Threshold in Bulk Heterojunction Organic Solar Cells
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DOI: 10.1002/aenm.201703339
Abstract: Achieving the highest power conversion efficiencies in bulk heterojunction organic solar cells requires a morphology that delivers electron and hole percolation pathways for optimized transport, plus sufficient donor:acceptor contact area for near unity charge transfer… read more here.
Keywords: organic solar; bulk heterojunction; percolation; transport percolation ... See more keywords
Electrical and thermal phenomena in low‐density polyethylene/carbon black composites near the percolation threshold
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DOI: 10.1002/app.47043
Abstract: Low-density polyethylene (LDPE)/carbon black (CB) composites were fabricated via meltcompounding technique. The percolation threshold was found to be around 20 wt% CB, and an electrical network formed by conductive CB was proven by SEM investigation.… read more here.
Keywords: density polyethylene; percolation; low density; carbon black ... See more keywords
From static alteration to mylonitization: a nano- to micrometric study of chloritization in granitoids with implications for equilibrium and percolation length scales
Sign Up to like & getrecommendations! Published in 2020 at "Contributions to Mineralogy and Petrology"
DOI: 10.1007/s00410-020-01749-2
Abstract: Strain accommodation in upper crustal rocks is often accompanied by fluid-mediated crystallization of phyllosilicates, which influence rock strength and shear zone formation. The composition of these phyllosilicates is frequently used for pressure–temperature–time constraints of deformation… read more here.
Keywords: static alteration; percolation; late variscan; alteration mylonitization ... See more keywords
Analysis on nonlinear effect of unsteady percolation in the inhomogeneous shale gas reservoir
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DOI: 10.1007/s10483-020-2553-5
Abstract: The nonlinear effects of unsteady multi-scale shale gas percolation, such as desorption, slippage, diffusion, pressure-dependent viscosity, and compressibility, are investigated by numerical simulation. A new general mathematical model of the problem is built, in which… read more here.
Keywords: percolation; analysis nonlinear; nonlinear effect; shale ... See more keywords
Compression-induced electrical percolation and enhanced mechanical properties of polydimethylsiloxane-based nanocomposites
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DOI: 10.1007/s10853-020-04780-7
Abstract: In this work, a compression-induced percolation threshold was found when the thickness of polydimethylsiloxane (PDMS) nanocomposite samples was reduced via a spatial confining forced network assembly (SCFNA) process from 1.0 mm to 0.1 mm. Such as for… read more here.
Keywords: compression; percolation; mechanical properties; electrical conductivity ... See more keywords
On the Breakage of High Aspect Ratio Crystals in Filter Beds under Continuous Percolation
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DOI: 10.1007/s11095-020-02958-x
Abstract: Purpose This work details experimental observations on the effect of liquid flow percolating through packed beds of crystals to elucidate how the filtration pressure severely alters the size distribution and crystal shape. Pressure filtration is… read more here.
Keywords: percolation; breakage; size; high aspect ... See more keywords
Brochette percolation
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DOI: 10.1007/s11856-018-1678-0
Abstract: We study bond percolation on the square lattice with one-dimensional inhomogeneities. Inhomogeneities are introduced in the following way: A vertical column on the square lattice is the set of vertical edges that project to the… read more here.
Keywords: vertical edges; percolation; probability; brochette percolation ... See more keywords
Cluster formation and percolation in ethanol-water mixtures
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DOI: 10.1016/j.chemphys.2017.09.003
Abstract: Abstract Results of systematic molecular dynamics studies of ethanol-water mixtures, over the entire concentration range, were reported previously that agree with experimental X-ray diffraction data. These simulated systems are analyzed in this work to examine… read more here.
Keywords: water mixtures; water; percolation; cluster formation ... See more keywords
Application of percolation theory to microtomography of rocks
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DOI: 10.1016/j.earscirev.2021.103519
Abstract: Abstract Percolation Theory has made significant breakthroughs in the understanding of physical processes through identification of an infinite connected cluster. It allows the definition of critical material parameters such as percolation threshold, critical exponents, crossover… read more here.
Keywords: percolation theory; percolation; application percolation; rock ... See more keywords
Ultrahigh energy density in short-range tilted NBT-based lead-free multilayer ceramic capacitors by nanodomain percolation
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DOI: 10.1016/j.ensm.2021.01.023
Abstract: Dense pseudocubic 0.62Na0.5Bi0.5TiO3-0.3Sr0.7Bi0.2TiO3-0.08BiMg2/3Nb1/3O3 (NBT-SBT0.08BMN) ceramics with excellent recoverable energy density, Wrec = 7.5 J/cm3 , and conversion efficiency, η = 92%, were synthesized. Large electric breakdown strength was facilitated by electrical homogeneity, high resistivity and… read more here.
Keywords: percolation; energy density; range; energy ... See more keywords
Effect of percolation and chemical form on Pb bioavailability and toxicity to the soil invertebrate Enchytraeus crypticus in freshly spiked and aged soils.
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DOI: 10.1016/j.envpol.2019.01.089
Abstract: In standard terrestrial ecotoxicological tests, soils usually are spiked with highly soluble metal salts leading to overestimation of bioavailability and introducing counterions that may contribute to toxicity. Leaching is suggested as an efficient method to… read more here.
Keywords: percolation; freshly spiked; toxicity; soil ... See more keywords