Photocurrent is thethrough adevice, such as a , as the result of exposure to .The photocurrent may occur as a result of the , photoemissive, or .The photocurrent may be enhanced by internalcaused by interaction among ions and photons under the influence of applied fields, such as occurs in an (APD).
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We investigated the photocurrent in poly 3-hexylthiophene-2,5-diyl P3HT : 6,6 -phenyl-C61 butyric acid methyl ester solar cells by applying a pulsed measurement technique. For annealed
Customer ServicePhotocurrent is defined as the fraction of photogenerated electron-hole (e- -h +) pairs collected at the semiconductor edges by the electrodes. In case of photodetectors, photocurrent can be estimated by the following formula [29,30]:
Customer ServiceIncorporating both optical and electrical properties, we study the influence of the heterojunction nanostructure ( e.g., planar vs bulk junctions) on donor−acceptor organic solar cell efficiencies based on the archetype materials copper phthalocyanine (CuPc) and C 60.
Customer ServicePhotocurrent is defined as the fraction of photogenerated electron-hole (e- -h +) pairs collected at the semiconductor edges by the electrodes. In case of photodetectors, photocurrent can be
Customer ServiceIn p–i–n perovskite solar cells optical excitation of defect states at the interface between the perovskite and fullerene electron transport layer (ETL) creates a photocurrent responsible for a distinct sub-bandgap external quantum efficiency (EQE). The precise nature of these signals and their impact on cell performance are largely unknown. Here, the effect of n
Customer ServiceIncorporating both optical and electrical properties, we study the influence of the heterojunction nanostructure ( e.g., planar vs bulk junctions) on donor−acceptor organic solar cell efficiencies based on the archetype
Customer ServiceIn this research, the effect of anodization time on the length of the titanium oxide nanotube arrays (TNAs) and photovoltaic parameters of back-side illuminated dye-sensitized solar cells (DSSCs) were investigated. The TNAs were characterized using X-ray diffraction (X-ray) or (XRD), and scanning electron microscopy (SEM). Anodic TNAs having tube lengths from 7.9
Customer ServicePhotocurrent is the electric current through a photosensitive device, such as a photodiode, as the result of exposure to radiant power. The photocurrent may occur as a result of the photoelectric, photoemissive, or photovoltaic effect. The photocurrent may be enhanced by internal gain caused by interaction among ions and photons under the influence of applied fields, such as occurs in an avalanche photodiode (APD).
Customer ServiceWe present intermediate-band solar cells manufactured using quantum dot technology that show for the first time the production of photocurrent when two sub-band-gap
Customer ServiceOptical properties and limiting photocurrent of thin-film perovskite solar cells we use an optical model based on the transfer-matrix formalism for analysis of perovskite-based planar heterojunction solar cells using experimentally determined complex refractive index data. We compare the modelled properties to experimentally determined data, and obtain good
Customer ServiceHere we use an optical model based on the transfer-matrix formalism for analysis of perovskite-based planar heterojunction solar cells using experimentally determined complex refractive index data. We compare the modelled properties to experimentally determined data, and obtain good agreement, revealing that the internal quantum efficiency in
Customer ServiceWhen the cell is illuminated (by sunlight), it will generate a photocurrent. Ideally, all the photo-generated carriers (one electron-hole pair per absorbed photon) will be collected to produce the cell''s photo-current.
Customer ServiceDirect photocurrent mapping of organic solar cells (OSCs) using a novel implementation of a near-field scanning optical microscope (NSOM) is described. By rastering the light output from the NSOM through a semitransparent electrode across the OSC surface, it is possible to collect height and photocurrent images simultaneously with a lateral resolution that
Customer ServiceIn this work, we describe different components of the steady-state light intensity-dependent photocurrent (IPC) and charge collection efficiency under operational conditions. Further, we demonstrate how different loss mechanisms can be identified based on their unique signatures in the IPC.
Customer ServicePhotovoltaic devices based on organic semiconductors, including solar cells, indoor photovoltaic cells, and photodetectors, hold great promise for sustainable energy and light-harvesting technologies. 1–4 However, these systems generally suffer from large non-geminate recombination of charge carriers, limiting the collection of photogenerated charge carriers and,
Customer ServiceIncrease in incident light and surface modification of the charge transport layer are powerful routes to achieve high-performance efficiency of perovskite solar cells (PSCs) by improving the short-circuit current density (JSC) and charge transport characteristics, respectively.
Customer ServiceIn this work, the transient photocurrent of the plasmon-enhanced polymer bulk heterojunction solar cells based on poly(3-hexylthiophene) (P3HT) and [6,6]-Phenyl C61 butyric acid methyl ester (PCBM) is investigated. Two kinds of localized surface plasmon resonance (LSPR) enhanced devices were fabricated by doping the gold nanoparticles (Au NPs) into the
Customer ServiceIncrease in incident light and surface modification of the charge transport layer are powerful routes to achieve high-performance efficiency of perovskite solar cells (PSCs) by improving the short-circuit current density (JSC) and charge
Customer Service1 Introduction. In recent years, the organic semiconductor community has witnessed a rapid increase in the performance of organic solar cells (OSC), with state-of-the-art efficiencies above 18%. [] Such solar cells
Customer ServiceFurther boosting the power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) without excessively increasing production expenses is critical for practical applications. Here, we
Customer ServiceIn this work, we describe different components of the steady-state light intensity-dependent photocurrent (IPC) and charge collection efficiency under operational
Customer ServiceHere we use an optical model based on the transfer-matrix formalism for analysis of perovskite-based planar heterojunction solar cells using experimentally determined complex refractive index data. We compare the modelled
Customer ServiceWe present intermediate-band solar cells manufactured using quantum dot technology that show for the first time the production of photocurrent when two sub-band-gap energy photons are absorbed simultaneously. One photon produces an optical transition from the intermediate-band to the conduction band while the second pumps an electron
Customer ServiceWe demonstrate sequential two-photon current generation with sub-bandgap photons, the hallmark of intermediate band solar cell operation, through vertically stacked
Customer ServicePhotocurrent is the electric current through a photosensitive device, such as a photodiode, as the result of exposure to radiant power. The photocurrent may occur as a result of the photoelectric, photoemissive, or photovoltaic effect.
Customer ServiceWe investigated the photocurrent in poly 3-hexylthiophene-2,5-diyl P3HT : 6,6 -phenyl-C61 butyric acid methyl ester solar cells by applying a pulsed measurement technique. For annealed samples, a point of optimal symmetry with a corresponding voltage VPOS of
Customer ServiceDOI: 10.1039/C4EE03224A Corpus ID: 94097478; Optical properties and limiting photocurrent of thin-film perovskite solar cells @article{Ball2015OpticalPA, title={Optical properties and limiting photocurrent of thin-film perovskite solar cells}, author={James M. Ball and Samuel D. Stranks and Maximilian T. H{"o}rantner and Sven H{"u}ttner and Wei Zhang and Edward J. W.
Customer ServiceThe fact that different recombination mechanisms scale differently with I L and carrier density has been utilized to understand recombination processes in solar cells by using I L-dependent V OC 16, 17, 18 and photocurrent (I L-dependent photocurrent [IPC]) measurements as well as transient photovoltage (TPV) and charge extraction (CE) techniques. 15, 19
Customer ServiceWe demonstrate sequential two-photon current generation with sub-bandgap photons, the hallmark of intermediate band solar cell operation, through vertically stacked quantum dots in the...
Customer ServiceWhen the cell is illuminated (by sunlight), it will generate a photocurrent. Ideally, all the photo-generated carriers (one electron-hole pair per absorbed photon) will be collected to produce the cell''s photo-current.
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