Theses - Department of Chemistry
Faculty of Science
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The effect of temperature on the formation of liesegang patterns of copper(II) chromate in polyacrylamide gels
(Bilkent University, 2020-09)Liesegang patterns (LPs) are a subclass of periodic precipitation patterns that result in a reaction-diffusion (RD) without convection. Since their discovery, LPs have been studied to understand the effect of different ... -
Core-crown quantum-well nanoplatelet functionalized TIO2 for photocatalytic NOx abatement
(Bilkent University, 2020-08)Oleic acid capped core/crown CdSe/CdSeTe quantum-well nanoplatelets (NPL) were used in the surface functionalization of TiO2. Structural characterization of the synthesized photocatalytic architecture was carried out ... -
Effects of Bronsted and Lewis bases on formic acid dehydrogenation selectivity of Pd(111) single crystal model catalyst
(Bilkent University, 2020-06)Formic acid (FA) is an environmentally friendly hydrogen-based energy vector that can be obtained from renewable biomass feedstocks. However, catalytic decomposition of FA involves two different competing chemical ... -
Cyanoiron polypyridyl sensitized photoanodes for water oxidation
(Bilkent University, 2020-01)Dye-sensitized photoelectrochemical cells (DSPECs), which convert solar energy to hydrogen fuel via water splitting process, has markedly excelled as a multidisciplinary field in the recent years. In this context, transition ... -
Towards therapeutic automata and hypoxia activated singlet oxygen generators
(Bilkent University, 2019-09)Photodynamic therapy (PDT) is a treatment modality depends on the efficient generation of singlet oxygen (1O2) through excitation of a particular chromophore (sensitizer) followed by an energy transfer to the dissolved ... -
Lyotropic liquid crystalline mesophases from acid-salt-surfactant systems: synthesis and characterization of mesoporous LiMPO4 (M=Mn(II),Fe(II),Co(II) AND Ni(II))
(Bilkent University, 2019-09)This study presents the synthesis and characterization of mesoporous lithium metal phosphates (LMPs) of Mn(II), Fe(II), Co(II), and Ni(II). The LMPs were synthesized using a modified molten salt self-assembly (MASA) method. ... -
Synthesis & characterization of modified mesoporous LiMn2-xCoxO4 thin films as water oxidation electrocatalysts
(Bilkent University, 2019-09)The lithiated transition metal oxides (LMO) are important group of materials in energy applications, particularly as water oxidation electrocatalysts. The mesoporous LiMn2-xCoxO4 thin film has been synthesized by using ... -
Synthesis and characteization of mesoporous nickel oxide and nickel cobaltite thin films
(Bilkent University, 2019-09)In this thesis work, molten-salt assisted self-assembly (MASA) approach was adopted to synthesize mesoporous nickel oxide (m-NiO) and nickel cobaltite (m-NiCo2O4) thin films. The m-NiO and m-NiCo2O4 films were obtained by ... -
Mechanically controlled liesegang pattern formation in stretchable polyacrylamide gels for elastic deformation tracking
(Bilkent University, 2019-08)Pattern formation in nature has been intellectually appealing for many scientists since antiquity. Simultaneous diffusion and reaction of chemicals in gel media may lead to precipitation and complex pattern formation through ... -
Bio-inspired paper plant robots: artificial heliotropism and nyctinasty through transpiration
(Bilkent University, 2019-08)Self-regulation is a fundamental feature of all living systems, which maintains their metabolic activities through biochemical feedback loops. Those feedback loops respond to environmental stimuli, and therefore the ... -
Charge dissipation mechanism of low-cost antistatic additive lignin in contact charged polymers
(Bilkent University, 2019-07)Contact electrification (C.E.), a phenomenon studied for millennia, develops contact charges on material surfaces, when two materials are contacted and then separated. Accumulation of contact charges and their uncontrolled ... -
Aza-Nazarov cyclization reactions using anion exchange strategy
(Bilkent University, 2019-07)Although Nazarov reaction is a synthetically useful route for the synthesis of five-membered rings, there are a very limited number of studies on its analogous process producing N-heterocycles; aza-Nazarov reaction, and ... -
Pd-catalyzed synthesis of substituted heteroaromatic fluoranthene analogues and studies towards the total synthesis of truncatone C and imeluteine
(Bilkent University, 2019-07)Fluoranthenes represent an important class of polycyclic aromatic compounds with important applications in modern chemistry and materials science. In addition to being present in the structural core of a variety of fungal ... -
Synthesis and characterization of cucurbituril based photoactive multifunctional assemblies
(Bilkent University, 2019-02)Preparation of cucurbituril based functional materials and their use in various applications ranging from biomedicine to optoelectronics have been studied intensely over the last decade. Supramolecular assemblies, networks ... -
Towards mechanochemical generation of singlet oxygen
(Bilkent University, 2019-01)Singlet oxygen is a short-lived reactive species which is involved a number of biochemical processes and implicated as the primary photo-generated cytotoxic agent in photodynamic therapy (PDT) of cancer. Precise chemical ... -
Targeted photosensitizers and controlled singlet oxygen generation for therapeutic applications
(Bilkent University, 2019-01)Photodynamic therapy of cancer plays a pivotal role due to its many superior features and potential. Considering the pathways for improving the practice of PDT of cancer is gradually increasing, enhancing the selectivity ... -
X-Ray photoelectron spectroscopy for chemical and electrical characterization of devices extended to liquid/solid interfaces
(Bilkent University, 2019-01)Understanding of electrical and electrochemical devices in operating conditions is vital for development of new technologies. Many important characteristics that determine the performance of such devices lie on their ... -
Inorganic / polymeric assemblies as catalysts for water splitting
(Bilkent University, 2018-09)Splitting water with sunlight is an attractive and promising research topic over the last two decades since it produces a non-carbon-based resource, hydrogen, which is a suitable energy carrier due to its high energy ... -
Chemical and mechanical control of liesegang patterns in polyacrylamide hydrogels
(Bilkent University, 2018-08)Self-assembly of molecular components have attracted attention of scientific community in the past decades because of their great potential in designing functional devices in material science. Formed by simultaneous diffusion ... -
Electrochemical investigations of ion transport in unconventional environments
(Bilkent University, 2018-07)Ion transport is a critical process that occurs routinely in all electrochemical devices. Especially the new generation batteries extensively utilized in portable devices, Li-Ion batteries, operate simply through Li+ ...
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