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Browsing M.S. Theses by Author "Mutlu, Şenol."

Browsing M.S. Theses by Author "Mutlu, Şenol."

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  • A novel biosensor based on a planar water gated organic field effect transistor using biotin functionalized polythiophene 
    Sis, Farshid Taleb. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, a novel affinity type biological sensor based on a planar water-gated field effect transistor (WGOFET) is introduced and investigated. The liquid electrolyte layer in the WGOFET is used as the gate insulator ...
  • DC-DC buck converter for triboelectric energy harvesting applications 
    Becermiş, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Energy harvesting applications are getting more popular day by day. Self sufficient circuits which do not require any supply, are more than a luxury for many situations. Usage of the battery can be expensive and not useful ...
  • Design and microfabrication of a strain - gauge array on polymer substrate for tactile neuroprosthesis in rats 
    Beygi, Mohammad. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this work design, microfabrication and characterization of a strain gauge array which can be used for sensory neuroprostheses in rats is presented. The array is composed of an array of 2×7 cells, each of which has a ...
  • Design and simulation of straight and tilted helical coils for magnetic resonance imaging 
    Sağıroğlu, M. Zahid. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this thesis, helical coils are studied through Finite Element Method (FEM) analysis and fabrications are done as a part of the project of 5 Fr guiding catheter design for paediatric intracardiac procedures performed ...
  • Fabrication and characterization of a planar water gated transistor utilizing ultra thin single crystalline silicon film 
    Ertop, Ozan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this thesis, the fabrication and characterization of a planar water-gated thin lm transistor are explained and analyzed. Silicon-on-insulator (SOI) wafer is used to build the device. Two di erent gate structures are ...
  • Fabrication and characterization of liquid electrolyte gated polymer field effect transistor for basic circuit applications 
    Yaman, Berkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, a simple polymer field effect transistor structure is designed and fabricated. To decrease the operating voltage of the transistor, electrolyte solutions are used as gate material. Using electrolyte at the ...
  • Fabrication and testing of polymer thin film transistors for basic digital circuits 
    Mert, Orhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this thesis we developed fabrication and characterization methods for polymer thin lm transistors(PTFTs) and circuits. After analysis of the various aspects related to the PTFTs, we propose a new method to fabricate ...
  • Liquid state diodes using polymer semiconductors 
    Sönmez, Bedri Gürkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this thesis a liquid state polymer diode is fabricated and characterized. First, lateral electrode structures are formed where highly doped p-type Si is used as anode, aluminum is used as cathode and SiO2 is used as ...
  • Nano - structured triboelectric nano generators for internet - of - things (IOT) applications 
    Ünlü, Kemal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis, three different triboelectric energy harvesters were designed and manufactured. Polydimethylsiloxane (PDMS) was used as triboelectric surface in the first of these harvesters. In addition to untreated this ...
  • Paper based integrated microfluidic system using electro-osmotic pumps with liquid bridges 
    Çelik, Ahmet Yasin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This thesis demonstrates a novel paper based microfluidic device with electro osmotic pumping mechanism that was designed, optimized, simulated, fabricated and analyzed. Optimization of paper based electro-osmotic pumping ...
  • Realization of charge pump circuits using polymer semiconductors 
    Haydaroğlu, İskender. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this thesis, design methodology and test results of a polymer charge pump circuit built using polymer semiconductors are presented. The charge pump is built using basic lithography techniques, in which solution processed ...
  • Realization of microfluidic devices with steel displacement amplifiers for cell culturing and analysis 
    İşeri, Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this thesis, micro uidic devices with simple trapping mechanism which can be actuated by applying force to use them for cell culturing and analysis applications are designed, analyzed and fabricated. Steel displacement ...
  • Sensor applications of polymer field effect transistors 
    Terkeşli, İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This thesis presents the fabrication and characterization of organic field effect transistors (OFETs) for sensor applications using polymeric semiconductor of poly (3- hexyl thiophene)(P3HT). Utilizing deionized (DI) water ...
  • Sound source localization using MEMS digital microphone arrays 
    Aşıroğlu, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Technological developments around artificial intelligence in the last decade have led to a significant increase in applications of audio capturing and speech processing. To increase quality of sound recording and to obtain ...
  • Temperature insenitive ultra low power 0.7 V supply input and reference driver for 8 bit ADC in 65 nm CMOS technology 
    As, Berk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    With CMOS technology scaling down, performance of ADCs has been improving in terms of area, low supply voltage and especially ultra-low power consumption. How ever, analog performance has not been advancing compared to ...
  • Thermoelectrical properties of polithiophene (P3HT) thin film polymers 
    Hacıahmetoğlu, İbrahim Gökhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Conducting and semiconducting polymers show very interesting thermoelectric characteristics by having relatively high electrical but low thermal conductivity. This suggests that they can be used in thermoelectric patterning, ...
  • VGA projection display using electromagnetically actuated steel micromirrors 
    Usta, Mehmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Projection display in VGA display format, which is 640x480 pixels in resolution, is aimed to be achieved using electromagnetically actuated steel micromirrors. In the work, the focus is the projection display control system ...
  • Water - gated field effect transistor with integrated microfluidic channel 
    Dündar, Doruk. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    This thesis establishes a novel fabrication method to integrate water-gated tran sistors with microfluidic channels using surface micromachining techniques. Transistors are designed and fabricated on 16 nm thick single ...
  • Wireless and batteryless instant velocity sensor for certain daily motions 
    Arıcıoğlu, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The miniaturization studies in both integrated circuits (IC) and microelectromechanical systems (MEMS) have made it possible to have electronic systems that can operate with very low power. Sensors that are used for ...

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