[PDF] Top 20 Submonolayer InGaAs/GaAs quantum dot solar cells
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Submonolayer InGaAs/GaAs quantum dot solar cells
... and GaAs reference cell. Compared to the GaAs reference cell, the additional spectral response at 960 nm is observed for both SML QDSC and ...the GaAs bandgap ( 10%) is comparable to the sub-bandgap ... See full document
6
Quantum Engineering of InAs/GaAs Quantum Dot Based Intermediate Band Solar Cells
... indeed GaAs control solar cells) that do not contain these layers is ...the quantum dot ...fewer quantum dot layers, 30 a high number of layers is desirable in order to ... See full document
6
Optical and Mechanical Characterization of InAs/GaAs Quantum Dot Solar Cells
... Initial quantum dot solar cells grown without strain balancing, it was apparent that there was significant degradation in cell ...the GaAs capping layer is stretched to the relaxed InAs ... See full document
162
Quantum engineering of InAs/GaAs quantum dot based intermediate band solar cells
... the quantum dots are extracted from the local mean intensity maps which are bounded by a truncated pyramid shape with quantum dot base length b, length at the site of truncation a, and height ...and ... See full document
7
Quantum Wells to Improve the Performance of III/V Multi-junction Solar Cells.
... (100) GaAs mis-oriented by 2° towards the <110> direction by metal organic chemical vapor deposition (MOCVD) at 200 ...doped GaAs cap layer was applied for ohmic ...All cells were grown without ... See full document
170
Quantum Dot Enhanced Epitaxial Lift-Off Solar Cells
... (ELO) GaAs devices for both single junction cells [23, 24] and multijunction systems that benefit from a cost savings due to successful substrate reuse [25, 26, 27, ...QD-enhanced solar cell to ... See full document
108
InGaAs/GaAs Quantum Dot Solar Cells by Metal Organic Chemical Vapour Deposition
... the quantum dot and wetting ...the quantum dot and wetting layer states by electrons, which will result in a higher concentration of electrons in QDs region when the sample is under laser ... See full document
172
Influences of PbS Quantum Dot Layers on Power Conversion Efficiency of Single Junction GaAs Solar Cells
... The quantum efficiency is used to evaluate the generated carrier efficiency of the solar cell, which is determined by the ratio of the number of generated carriers on the number of incoming ...photons. ... See full document
6
Photoconductivity Relaxation Mechanisms of InGaAs/GaAs Quantum Dot Chain Structures
... in quantum-dimensional heterostructures based on semiconductor III–V materials are widely studied by scientists in recent years ...(In,Ga)As quantum dots (QDs) and quantum wires (QWRs) are ... See full document
7
Chirped InGaAs quantum dot molecules for broadband applications
... of quantum states [13] which form the foundation of quantum computation ...of quantum interactions that can be ...coupled quantum systems, lateral QDMs are often overlooked as device active ... See full document
9
Design and Implementation of Quantum Dot Enhanced Next Generation Photovoltaic Devices
... multi-junction solar cells, which rely on inverted growth and substrate removal, are used [43], ...a GaAs substrate, followed by a GaAs junction. A metamorphic InGaAs buffer layer is ... See full document
213
Decoherence and Entanglement Simulation in a Model of Quantum Neural Network Based on Quantum Dots
... the quantum neural network (QNN) was first formulated by ...of quantum neural networks have been considered, see the reviews [2, ...keep quantum coherence for sufficiently long ... See full document
6
Photoelectric Properties of InAs/GaAs Quantum Dot Photoconductive Antenna Wafers
... In conclusion, we presented a detailed study of the IR photoconductivity in self-assembled InAs/GaAs quantum dots. A compact semiconductor QD laser was used as a narrowband coherent pump source. We have ... See full document
7
Influence of elevated radiative lifetime on efficiency of CdSe/CdTe Type II colloidal quantum dot based solar cells
... has been reported previously for CdSe [40 – 42], CdTe [33,40], CdTe/ CdSe [40] and CdSe/ZnS CQDs [43]. The tri-exponential form of the decay has been explained by Gong et al. [40] with a model that includes capture and ... See full document
8
Nanotetrapods: quantum dot hybrid for bulk heterojunction solar cells
... Hybrid thin film solar cell based on all-inorganic nanoparticles is a new member in the family of photovoltaic devices. In this work, a novel and performance-efficient inorganic hybrid nanostructure with ... See full document
8
Perovskite solar cells: a quantum leap in solar research
... Many extraordinary properties of metal halide perovskites are now being unraveled as a result of recent intense research efforts. High optical absorption, tunable band gap, lasing properties, high dielectric constant, ... See full document
7
Optical identification of electronic state levels of an asymmetric InAs/InGaAs/GaAs dot in well structure
... determined by the excitation power regime. At low exci- tation power regime (<10 W/cm 2 ), the activation energy equals to the total barrier height of electrons and holes; But at higher excitation power regime (>10 ... See full document
8
Electrostatic potential and trajectory of an electron in single electron transistor
... the quantum dot nanodevices, the study on properties of the devices is experimentally expensive because of the ...real dot, the study of applied electric field on the dot is expected to yeild ... See full document
34
Electron Microscopy Studies of Non Local Effects' Impact on Cathodoluminescence of Semiconductor Laser Structures
... The structure of laser diode is designed to assure the recombination of carriers within the active region. For this purpose the very thin low-bandgap InGaAs layer is sand- wiched between two high-bandgap layers in ... See full document
6
Comparative Study of Photoelectric Properties of Metamorphic InAs/InGaAs and InAs/GaAs Quantum Dot Structures
... the InGaAs or GaAs MBs, In(Ga)As QDs, undoped cap layer, and Au/AuGeNi contacts, the calcu- lations were carried out using Tibercad software ...the InGaAs/GaAs interface region, depletion ... See full document
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