Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 813 for “"DOTs"”.
-
Photoluminescence Characterization of Patterned Quantum dots and Inverse Quantum dots
… of solar cells are being explored. Quantum dots and inverse quantum dots are promising future ways to increase the efficiency of solar cells through multiple exciton generation. In this thesis, the fabrication and characterization of defect-free quantum dots and anti-dots are discussed.
-
Nanolithographically defined semiconductor quantum dots
… this thesis,nanolithographically de ned quantum dots are discussed including their fabrication process and optical properties. First, an introduction to the eld of quantum dots (QDs), and the advantages of QD-based optoelectronic devices are provided. The research presents our recent work …
-
Performance testing suite for Unity DOTS
… in hardware development. Unity's relatively new DOTS system has introduced a new way, how to write code in order to fully exploit all aspects of modern processors, e.g. multithreading or SIMD instructions. The thesis focuses on creation of a generally-usable performance testing suite in order to …
-
dreamtime uncapitalised, -joining our own dots .
This doctorate explored the pedagogical (see dot D for definition) application of the methods employed in making art as a means of encouraging inter-disciplinary learning. Drawing on key processes in art‐making, this project recorded the development of phenomenological thoughts and concepts that …
-
Luminescent Quantum dots for Cellular Analysis
Luminescent quantum dots have attracted great interest in recent years among biological researchers since they provide solutions to problems associated with use of organic fluorophores in cellular studies. Quantum dots show high photostability, high emission quantum yield, narrow and symmetric …
-
Engineered quantum dots for infrared photodetectors
… transitions in self-assembled InAs quantum dots (QDs) and offer several advantages such as normal incidence detection, low dark currents and high operating temperatures, while enjoying all the benefits of a mature GaAs fabrication technology. However, due to Stranski-Krastanov (SK) growth …
-
Analyte sensing with luminescent quantum dots.
… nanocrystals otherwise known as Quantum Dots (QDs) have attracted considerable attention over the last number of years due to their unique optical properties and potential applications. Their narrow size-tunable emission spectra, broad absorption spectra, resistance to photobleaching and …
-
Circles: Quantum Dots and Single Atoms
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Charge dynamics in superconducting double dots
… between quantum states in superconducting double dots (SDDs), a nanoscale device consisting of two aluminium superconducting islands coupled together by a Josephson junction, with each dot connected to a normal state lead. The energy landscape consists of a two level manifold of even charge parity …
-
Photodetectors based on colloidal quantum dots
Inspired by recent work demonstrating photocurrent enhancement in quantum-dot (QD) solids via post-deposition chemical annealing and by recent successes incorporating single monolayers of QDs in light-emitting devices (QD-LEDs), we set out to develop thin-film, layered photodetectors in which the …
-
Computational Studies of PbS Quantum Dots
… geometry relaxations for PbS quantum dots. Noticing some unexpected nontrivial behavior during the geometry relaxation runs, we sought to quantify and clarify the observed intuitively pathological behavior, both phenomenologically with outlier detection, and physically by inspecting …
-
Testování optických vlastností Quantum-Dots nanočástic I.
… práce: Testování optických vlastností Quantum-Dots nanočástic I. Tato diplomová práce se zabývá testováním optických vlastností Quantum-Dots nanočástic (QDs), které byly ověřovány jako zesilovače chemiluminiscenčního (CL) signálu. K reakci byl použit luminol (5-aminoftalylhydrazid) v bazickém …
-
Synthesis of CsPbBr3 Quantum Dots for Photodetectors
… properties. we synthesized CsPbBr3 quantum dots (QDs) via the LARP method at RT and mixed them with conjugate polymer to fabricate nanocomposite photodetectors. We found that the size and optical properties of CsPbBr3 QDs are affected by varying the amount of precursor injected into …
-
Quantum Dots In Two-Dimensional Tungsten Diselenide
… the investigation of single and double quantum dots in two-dimensional transition metal dichalcogenide tungsten diselenide (WSe_2) as a means to evaluate the valley degree of freedom as a potential qubit and ambipolar tungsten diselenide monolayers as single photon sources. Gate-defined quantum …
-
Tunable Exchange Interaction in Coupled Quantum Dots
Exchange energies and charge densities for few electrons in electrically tunable quantum dot (QD) systems are investigated by using the variational Monte Carlo (VMC) method in the presence of magnetic fields. For N = 2 electrons in double QD, the singlet Coulomb energy decreases in magnetic fields …
-
Patterned quantum dots for solar cell applications
… new types of nano-sized solar cells. Quantum dots offer the potential to increase the efficiency of solar cells through carrier multiplication. In this thesis, the theory behind carrier multiplication is discussed along with the fabrication and photoluminescence characterization of patterned …
Page 1 of 41