Advisors
Now showing items 1-20 of 25
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BaOx
(Bilkent University, 2011)In this work, formation anddecomposition pathways of of Ba(NO3)2 on BaOBaO2 /Pt(111) surfaces were investigated at the molecular levelfordifferent BaOBaO2coverages starting from small 2D islands of 0.5 MLE (MLE: ... -
BaOx/ Pt(111) AND BaOx/ TiO2/ Pt(111) MODEL CATALYSTS FOR UNDERSTANDING NOx STORAGE-REDUCTION (NSR) CATALYSIS AT THE MOLECULAR LEVEL
(Bilkent University, 2011)In this work, formation anddecomposition pathways of of Ba(NO3)2 on BaOBaO2 /Pt(111) surfaces were investigated at the molecular levelfordifferent BaOBaO2coverages starting from small 2D islands of 0.5 MLE (MLE: ... -
Catalytic metal hydroxide nanostructures: aerobic C-H activation and catalytic low temperature carbon monoxide oxidation by NixMn(1-x)(OH)2
(Bilkent University, 2021-02)Metal hydroxides and mixed metal hydroxides have been frequently utilized in diverse applications such as battery technologies, electrocatalysis, electrosynthesis, photocatalysis, supercapacitors, electrochromic devices, ... -
Ceria promoted NOx storage and reduction materials
(Bilkent University, 2011)In the current work, the effect of CeO2 promotion on the NOx storage materials and NOx storage-reduction (NSR) catalysts is studied. Synthesized materials were prepared using different baria and ceria loadings in order ... -
CO2 activation on MnOx /Pd(111) model catalyst
(Bilkent University, 2022-07)CO2 is an atmospheric pollutant (i.e., a greenhouse gas) and it can be converted into valuable chemicals such as methanol, methane, and formic acid. However, CO2 reduction is a challenging process due to the thermodynamic ... -
Core-crown quantum-well nanoplatelet functionalized TIO2 for photocatalytic NOx abatement
(Bilkent University, 2020-07)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 ... -
Designing novel DENOx catalysts with a wide thermal operational window
(Bilkent University, 2016-06)The main objective of this study is to design novel DeNOx catalyst to widen the operational temperature range of exhaust emission control systems. For this purpose, single and multi NOx-storage domains (e.g. K2O, BaO) were ... -
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 ... -
Enhanced photocatalytic NOx oxidation-storage over titania-metal oxide physical mixtures under UV and visible light
(Bilkent University, 2017-06)Developing new technologies for the abatement of gaseous nitrogen oxides (NO, NO2, etc.) will still be one of the popular research fields; because fossil fuels (mainly coal and natural gas) will remain as the main energy ... -
Exothermic catalytic decomposition of energetic ionic liquids on iridium based catalysts
(Bilkent University, 2022-01)Hydrazine (N2H4) is the most commonly used propellant for in-orbit spacecraft propulsion. However, utilization of hydrazine in space missions has challenges associated with health, environment and safety risks. Energetic ... -
Finding an optimum surface chemistry for [Formula] systems as NOx storage materials
(Bilkent University, 2010)Titania promoted NOx storage materials in the form of BaO/TiO2/Al2O3 were synthesized via two different sol-gel preparation techniques, with varying surface compositions and morphologies [1, 2]. The influence of the TiO2 ... -
Forecasting selectivity of Au-based partial oxidation catalysts via temperature programmed desorption studies on the Au(111) model catalyst
(Bilkent University, 2014-09)Gold-based heterogeneous catalysts have attracted significant attention due to their selective partial oxidation capabilities which are comparable to that of the industrial homogeneous benchmark catalysts. In the current ... -
Highly-dispersed iridium catalysts with sub-nanometer diameters for carbon monoxide oxidation
(Bilkent University, 2021-09)Novel catalytic architectures composed of catalytic centers with sub-nanometer diameters for CO oxidation reaction were designed, synthesized, and characterized. Accordingly, well-dispersed iridium precious metal active ... -
N-O activation on precious metal-free metal oxide based NOx removal systems
(Bilkent University, 2022-01)Elevated operational costs of platinum group metal (PGM) based environmental catalytic systems shift the focus of catalysis research towards cost-effective materials. In search for PGM-free alternative catalytic materials ... -
Nature of oxygen species on Au(111) and Ag(111) model catalysts and their role in O-H, C-H, C-C, N-H bond activation
(Bilkent University, 2017-10)Metal-catalyzed heterogeneous oxidation reactions have high importance for the large-scale production of the commodity chemicals vastly used in the chemical industry. Controlling the selectivity in such processes to ... -
Novel glycerol dry reforming catalysts with monometallic and bimetallic active sites
(Bilkent University, 2021-09)Novel glycerol dry reforming catalysts with monometallic (Ru) and bimetallic (Ru and Ni or Ru and Co) active sites which are supported on a custom-design ternary mixed oxide support material (i.e., Al2O3-TiO2-ZrO2, AZT) ... -
Novel hybrid perovskite catalysts for DE-NOx applications
(Bilkent University, 2015-09)The main purpose of this study is to identify the nature of hybrid perovskites in the form of LaCoxMn1-xO3 (x=0.0-1.0) for catalytic De-NOx applications. Characteristic structure, thermal stability and NOx/SOx adsorption/release ... -
Photocatalytic NOx oxidation and storage under ambient conditions for air purification
(Bilkent University, 2012)Air pollution is one of the most serious environmental problems in both urban and rural settings with a direct impact on human health. A variety of chemical compounds can be associated with air pollution and gaseous ... -
Pt-free perovskite based oxidation catalysts for automotive applications
(Bilkent University, 2013) -
Quantum dot functionalized Titania systems for photocatalytic oxidative NOx storage
(Bilkent University, 2018-03)Increasing activities of industrial combustion systems, volcanic eruptions, agriculture activities and utilization of stationary and mobile fossil and biomass combustion systems are known to be the major causes of toxic ...
