Results 241 to 250 of about 3,252,903 (268)
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Advanced Materials, 2010
Efficient polymer solar cells typically contain the fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester (PCBM), which promotes dissociation of excited states and enhances charge transpo ...
Abay, Gadisa +5 more
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Efficient polymer solar cells typically contain the fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester (PCBM), which promotes dissociation of excited states and enhances charge transpo ...
Abay, Gadisa +5 more
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Bipolar charge transport and contact phenomena in Al2O3
Thin Solid Films, 2023Yu.N. Novikov +4 more
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Modelling of Electroluminescence in Polymers Using a Bipolar Charge Transport Model [PDF]
, 2011 Electroluminescence (EL) in polymeric materials is thought to occur due to the energy dissipation process from the recombination of opposite polarity charge carriers. It is considered as an indication of storage and transport of charge carriers in cable insulation subject to electrical stresses and may indicate the change in charge movement due to ...
Zhao, J, Mills, D H, Chen, G, Lewin, P L
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A model for bipolar charge transport, trapping and recombination in degassed crosslinked polyethene
Journal of Physics D: Applied Physics, 1994Measurements of the space charge density across the width of a plane parallel sample of degassed crosslinked polyethene (XLPE) have been made recently. Repeated at intervals throughout a period of applied high voltage, these measurements provide data on the dynamics of charge injection and space charge development in the sample under the influence of a
J M Alison, R M Hill
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Intramolecular charge transfer in bipolar molecules for electron and hole transporting materials
Physical Chemistry Chemical Physics, 2004The excited state relaxation of 6-(9H-carbazole)hexyl-9,10,10-trioxo-9H-3-thioxanthenecarboxyl (CHTT) molecules containing electron donating and electron accepting groups was investigated in solutions by means of picosecond pump–probe absorption spectroscopy.
R. Karpicz +4 more
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Bipolar Charge Transport in PCPDTBT‐PCBM Bulk‐Heterojunctions for Photovoltaic Applications
Advanced Functional Materials, 2008AbstractAn experimental study of the transport properties of a low‐bandgap conjugated polymer giving high photovoltaic quantum efficiencies in the near infrared spectral region (Eg‐opt ∼ 1.35 eV) is presented. Using a organic thin film transistor geometry, we demonstrate a relatively high in‐plane hole mobility, up to 1.5 · × 10−2 cm2 V−1 s−1 and ...
Mauro Morana +9 more
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Droplet-resolved transport and charge neutralization in bipolar electrosprays
Transport PhenomenaAbstract Electrohydrodynamic atomization (EHDA) enables precise control of droplet size but inherently produces highly charged droplets, limiting its applicability in charge-sensitive processes such as pulmonary drug delivery. Bipolar EHDA has emerged as a promising strategy for in-flight charge neutralization through the interaction ...
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Charge Transport Phenomena in Cryogenic SiGe Heterojunction Bipolar Transistors
Silicon-germanium heterojunction bipolar transistors (HBTs) are widely used for high-speed communications and radar systems owing to the their low-cost and competitive performance relative to III-V compound semiconductor devices. Due to the higher cost and lower yield of III-V high electron mobility transistors (HEMTs) based on InGaAs quantum wells ...openaire +1 more source