Theses - Graduate Program in Materials Science and Nanotechnology
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Semiconductor nanoplatelet heterostructures enhanced via combinations of colloidal atomic layer deposition and hot injection shell growths
(Bilkent University, 2019-08)One of the most promising families of semiconductor nanocrystals in colloidal optoelectronics and nanophotonics is considered to be colloidal quantum wells, also commonly referred to as nanoplatelets (NPLs). Possessing ... -
Dynamic adaptive colloidal crystals far from equilibrium
(Bilkent University, 2019-08)Self-assembly has been the center of attention of many researchers from all branches of science. Self-assembly of static structures such as crystals often forms through energy minimization, while dynamic ones need constant ... -
Molecular analysis of enginereed nanomaterials in biomedical and regenerative medicine applications
(Bilkent University, 2019-05)Molecular mechanisms are inspiration source for effective nanomaterial synthesis through minimalist bottom-up approaches. Mimicking functional biophysicochemical properties of biomacromolecules can give new insights for ... -
Crystal growth and investigations on the effects of hydrogen doping of VO2
(Bilkent University, 2019-03)Vanadium Dioxide(VO2) has been studied extensively for its interesting electronic structure that allows it to go through Metal-Insulator Transition(MIT) at 65 C. The nature of this phenomena is not entirely clear and ... -
Colloidal synthesis of Ag(I)-doped CdSe nanoplatelets with partial cation exchange method
(Bilkent University, 2019-02)Colloidal nanoplatelets (NPLs) exhibit strong one-dimensional quantum confinement in the vertical direction. This makes them a highly attractive host system for studying variable doping techniques and effects without ... -
Application of triboelectric charging effect for engine lubricating oil degradation monitoring
(Bilkent University, 2019-02)Lubrication of machine parts is necessary to prevent friction and wear in machine operation. Even the slightest reduction of friction and wear cause a huge positive impact in the economy since almost all machines in our ... -
Directed assembly of charged nanoparticles by using electrostatic forces in a fluidic medium
(Bilkent University, 2019-02)Deposition of nanoparticles in a controlled manner is suitable for the application of unique properties of nanoparticles in designing novel electronic devices. Printing different types of nanoparticles on the same surface ... -
A self-actuated cellular protein delivery machinery
(Bilkent University, 2018-08)Owing to increase the knowledge on biology and available tools for genetic manipulations, biological systems are engineered to perform complex tasks. They can be designed to degrade toxic molecules in environment, produce ... -
Synthesis and characterization of colloidal quantum wells: from simple size-tuned core to complex multi-crown structures
(Bilkent University, 2018-08)As a new class of semiconductor nanocrystals, colloidal quantum wells (CQWs), also commonly known as nanoplatelets (NPLs), exhibit remarkable electronic and optical properties that will potentially nd a wide range of ... -
Synthesis of silica-based nanomaterials and their applications in fluorescent, biological and chemical sensing
(Bilkent University, 2018-06)This thesis describes development of nanoparticle-based liquid sensors and coatings for droplet-based bioassays. Liquid sensors were produced from mesostructured (2-50 nm) hybrid silica nanoparticles. Detection of trace ... -
Spatiotemporal nonlinear dynamics in graded-index multimode fibers
(Bilkent University, 2018-05)Spatiotemporal pulse propagation in multimode fibers is generally considered as chaotic. Graded-index multimode fibers reduce the complexity due to its equal spacing of the modal wave numbers which also introduces a ... -
Graph theory to study complex networks in the brain
(Bilkent University, 2018-05)The brain is a large-scale, intricate web of neurons, known as the connectome. By representing the brain as a network i.e. a set of nodes connected by edges, one can study its organization by using concepts from graph ... -
Manipulation of particles using inertial microfluidics and viscoelastic fluids
(Bilkent University, 2018-03)Recent years have witnessed an elevated trend in using miniaturized and labon- a-chip systems in biomedical devices due to numerous advantages including minimal sample/reagent consumption, portability, and superior ... -
A synthetic biology approach for engineered functional biofilm
(Bilkent University, 2018-01)Extracellular polymeric substances consist of molecules, DNAs, carbohydrates, and proteins that are secreted by microbial biofilms. These molecules assist in the synthesis of bacterial biofilms as highly ordered, complex ... -
Enhancing light extraction efficiency of InGaN/GaN multi quantum well light emitting diodes with embedded two dimensional photonic crystal structures
(Bilkent University, 2010-08)Advance in the growth methods of III-Nitrides and researches in order to eliminate doping problems of gallium nitride (GaN) resulted in high band gap materials with increased crystal quality which have led to tremendous ... -
Developing synthetic biology enabled whole cell biosensors
(Bilkent University, 2017-12)Main causative agent for environmental pollution is human activities. Especially with accelerated industrial improvements, many inorganics such as heavy metals or hazardous organic toxic materials are released to the ... -
Effect of triboelectric charges on friction and wear of polymers at macro scale
(Bilkent University, 2017-12)The interest towards the study of underlying mechanism behind tribology has gained enormous attention recently since almost one-fourth of the total produced global energy is consumed by friction and wear. Dry sliding or ... -
Investigation of new polymorphs of borophene and their functionalization
(Bilkent University, 2017-12)The realization of buckled monolayer sheets of boron (i.e., borophene) and its other polymorphs has attracted signi cant interest in the eld of two-dimensional systems. Motivated by their chameleonic behavior we analyzed ... -
The mechanical characterization of two-dimensional materials (WS2, MoS2, and graphene) and the effect of defects on young`s modulus of CVD grown single-layer graphene
(Bilkent University, 2017-11)With the first isolation of graphene two-dimensional (2D) materials attracted the enormous interest of many researchers. Owing to extraordinary properties and atomic thickness 2D materials have many applications in gas ... -
Synthesis and characterization of Van Der Waals heterostructures, and nanofabrication of electronic devices based on two-dimensional materials
(Bilkent University, 2017-12)Last two decades have seen a phenomenal shift of the dimensionality paradigm in materials processing, from zero-dimensional nanoparticles and quantum dots to one-dimensional nanowires and nanotubes, to two-dimensional ...
