Yazar "Güllü, Hasan Hüseyin" için listeleme
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Analysis of current conduction mechanism in CZTSSe/n-Si structure
Terlemezoğlu, Makbule; Bayraklı Sürücü, Özge; Güllü, Hasan Hüseyin; Çolakoǧlu, Tahir; Yıldız, Dilber Esra; Parlak, Mehmet (Springer New York LLC, 2018)In this study, Cu2ZnSn(S,Se)4 (CZTSSe) thin films were deposited by the single step thermal evaporation process using the sintered powder of CZTSSe on soda lime glass (SLG) and Si wafer substrates. The structural, optical, ... -
Analysis of Double Gaussian Distribution on Barrier Inhomogeneity in a Au/n-4H SiC Schottky Diode
Güllü, Hasan Hüseyin; Şeme Şirin, Dilara; Yıldız, Dilber Esra (Springer, 2021)A n-4H SiC based diode is fabricated by an Au front metal contact to provide rectification at the metal-semiconductor (MS) junction, and a back ohmic contact is also obtained using Au metal with post-thermal heating. MS ... -
Analysis of forward and reverse biased current-voltage characteristics of Al/Al2O3/n-Si Schottky diode with atomic layer deposited Al2O3 thin film interlayer
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra (Springer, 2019)The dark current-voltage (I-V) characteristics of Al/Al2O3/n-Si Schottky diode are investigated in a wide temperature range of 260-360 K. The diode shows four orders of magnitude rectification. In forward and reverse bias ... -
The Analysis of Inhomogeneous Barrier Height in In/SnTe/Si/Ag Diode
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra (Gazi Univ, 2018)SnTe thin film layer was fabricated by magnetron sputtering technique on n-Si substrate, and the electrical properties of the In/SnTe/Si/Ag diode structure was investigated by using temperature dependent forward bias ... -
Analysis of temperature-dependent forward and leakage conduction mechanisms in organic thin film heterojunction diode with fluorine-based PCBM blend
Yıldız, Dilber Esra; Güllü, Hasan Hüseyin; Toppare, Levent; Çırpan, Ali (Springer, 2020)The forward and reversed biased current-voltage behaviors of the organic diode were detailed in a wide range of temperatures. In this diode, a donor-acceptor-conjugated copolymer system was constructed with poly((9,9-dio ... -
Analysis of temperature-dependent transmittance spectra of Zn0.5In0.5Se (ZIS) thin films
Işık, Mehmet; Güllü, Hasan Hüseyin; Delice, Serdar; Gasanly, Nizami Mamed; Parlak, Mehmet (Springer New York LLC, 2019)Temperature-dependent transmission experiments of ZnInSe thin films deposited by thermal evaporation method were performed in the spectral range of 550–950 nm and in temperature range of 10–300 K. Transmission spectra ... -
Capacitance, conductance, and dielectric characteristics of Al/TiO2/Si diode
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra (Springer, 2021)In this study, electrical properties of the Al/TiO2/p-Si diode structure with an atomic layer deposited TiO2 interface layer are investigated by current-voltage (I-V), capacitance-voltage (C - V), and conductance-voltage ... -
Dark and illuminated electrical characteristics of Si-based photodiode interlayered with CuCo5S8 nanocrystals
Yıldız, Dilber Esra; Güllü, Hasan Hüseyin; Sarılmaz, Adem; Özel, Faruk; Koçyiğit, Adem; Yıldırım, Murat (Springer, 2020)Derived from the traditional dichalcogenide CuS structure, ternary transition metal chalcogenide nanoparticles in the form of CuCo5S8 are investigated under the aim of photodiode application. In addition to the detailed ... -
Determination of current transport characteristics in Au-Cu/CuO/n-Si Schottky diodes
Bayraklı Sürücü, Özge; Güllü, Hasan Hüseyin; Terlemezoğlu, Makbule; Yıldız, Dilber Esra; Parlak, Mehmet (Elsevier, 2019)In this study, the material properties of CuO thin films fabricated by sputtering technique and electrical properties of CuO/n-Si structure were reported. Temperature-dependent current-voltage (I-V) measurement was carried ... -
Electrical characteristics of organic heterojunction with an alternating benzotriazole and fluorene containing copolymer
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra; Toppare, Levent Kamil; Çırpan, Ali (Springer, 2020)The current-voltage (I - V) and capacitance-voltage (C - V) characteristics of the organic heterojunction diode were investigated in a wide temperature range from 80 to 320 K and frequency range from 10 kHz to 1 MHz, ... -
Electrical characterization of CdZnTe/Si diode structure
Doğru Balbaşı, Ciğdem; Terlemezoğlu, Makbule; Güllü, Hasan Hüseyin; Yıldız, Dilber Esra; Parlak, Mehmet (Springer Heidelberg, 2020)Temperature-dependent current-voltage (I - V), and frequency dependent capacitance-voltage (C - V) and conductance-voltage (G - V) measurements were performed in order to analyze characteristics of CdZnTe/Si structure. ... -
Electrical properties of Al/PCBM:ZnO/p-Si heterojunction for photodiode application
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra; Koçyiğit, Adem; Yıldırım, Murat (Elsevier Ltd, 2020)In this paper, the electrical characteristics of spin-coated PCBM:ZnO interlayered Al/PCBM:ZnO/Si diode are investigated under the aim of photodiode application. Under dark condition, the diode shows about four orders in ... -
Frequency Dependent Dielectric Properties of ZnSe/p-Si Diode
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra (Gazi Univ, 2019)The study on electrical and dielectric properties of the ZnSe/p-Si diode have been investigated using admittance measurements in the frequency range of 50 kHz - 1 MHz at room temperature. The experimental values of dielectric ... -
Frequency effect on electrical and dielectric characteristics of HfO2-interlayered Si-based Schottky barrier diode
Güllü, Hasan Hüseyin; Yıldız, Dilber Esra; Sürücü, Özge; Parlak, Mehmet (Springer, 2020)This study reveals the electrical properties of In/HfO2/n-Si structure with atomic layer-deposited interfacial oxide layer, HfO2 thin film between In top metal contact and monocrystalline Si wafer substrate. From the dark ... -
Frequency effect on electrical and dielectric characteristics of In/Cu 2 ZnSnTe 4 /Si/Ag diode structure
Güllü, Hasan Hüseyin; Bayraklı Sürücü, Özge; Terlemezoğlu, Makbule; Yıldız, Dilber Esra; Parlak, Mehmet (Springer New York LLC, 2019)In/Cu 2 ZnSnTe 4 /Si/Ag diode structure was fabricated by sputtering Cu 2 ZnSnTe 4 (CZTTe) thin film layer on the Si layer with In front contact. The frequency dependent room temperature capacitance and conductance ... -
Influence of Si3N4 layer on the electrical properties of Au/n-4H SiC diodes
Yiğiterol, Fatih; Güllü, Hasan Hüseyin; Yıldız, Dilber Esra (Indian Academy of Sciences, 2018)In this study, the effect of Si3N4 insulator layer on the electrical characteristics of Au/n-4H SiC diode was investigated. The current–voltage ( I−V ), capacitance–voltage ( C−V ) and conductance–voltage ( G/w−V ) ... -
Investigation of carrier transport mechanisms in the Cu-Zn-Se based hetero-structure grown by sputtering technique
Güllü, Hasan Hüseyin; Terlemezoğlu, Makbule; Bayraklı Sürücü, Özge; Yıldız, Dilber Esra; Parlak, Mehmet (Canadian Science Publishing, 2018)In this paper, we present results of the electrical characterization of n-Si/p-Cu-Zn-Se hetero-structure. Sputtered film was found in Se-rich behavior with tetragonal polycrystalline nature along with (112) preferred ... -
Investigation of electrical characteristics of Ag/ZnO/Si sandwich structure
Güllü, Hasan Hüseyin; Bayraklı Sürücü, Özge; Terlemezoğlu, Makbule; Yıldız, Dilber Esra; Parlak, Mehmet (Springer, 2019)In this study, temperature-dependent current-voltage (I-V), frequency-dependent capacitance-voltage (C-V) and conductance-voltage (G/omega-V) measurements are carried out for the electrical characterization of a zinc oxide ... -
Structural and temperature-dependent optical properties of thermally evaporated CdS thin films
Işık, Mehmet; Güllü, Hasan Hüseyin; Delice, Serdar; Parlak, Mehmet; Gasanly, Nizami Mamed (Elsevier Ltd, 2019)In this work, structural and temperature dependent optical properties of thermally evaporated CdS thin films were investigated. X-ray diffraction, energy dispersive spectroscopy and Raman spectroscopy experiments were ... -
A study on electrical properties of Au/4H-SiC Schottky diode under illumination
Yıldız, Dilber Esra; Karadeniz, S.; Güllü, Hasan Hüseyin (Springer, 2021)Y In this work, a metal-semiconductor diode in the form of Au/4H-SiC is fabricated, and the electrical properties of this device are systematically examined under dark and different illumination intensities. To perform ...
