Electrical and optical properties of p-Si based structures with lead oxide interfaces

Aydemir, Gökçen Aslan; Akay, Defne; Tataroğlu, A.; Ocak, Sema Bi̇lge

doi:10.1016/j.mseb.2023.116552

Cited by 6 publications

(2 citation statements)

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“…Aside from researching new organic molecules for application in metal/semiconductor (MS) devices, surface modification of the interface layer may increase MS diode performance [28][29][30][31][32][33]. Here, a soluble NiTsPc organic compound is used as an interlayer in the MS device.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the optical and electronic characteristics of Al/NiPc complex/p-Si diode

Güllü,

Efe,

Tataroğlu

2024

Phys. Scr.

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The primary goal of this work is to explore how the introduction of the Nickel (II) phthalocyanine tetrasulfonic acid tetrasodium salt (NiTsPc) organic interlayer influences the performance of conventional metal/semiconductor diodes. Firstly, the optical features of the NiTsPc organic film formed onto glass substrate were investigated. For this, the UV-Vis spectroscopic data were used to determine various optical parameters like absorption coefficient (), extinction coefficient (k), and refractive index (n). Then, Al/NiTsPc/p-Si diode was produced by forming ohmic and rectifier contact. The current-voltage (I-V) measurements were analyzed taking into account thermionic emission (TE) approach at room temperature. Device parameters such as ideality factor (η), barrier height (Φb), and resistance were investigated with the help of I-V technique. The Al/p-Si structure containing NiTsPc film showed good rectifying properties. In this analysis, Φb and η values were determined as 0.83 eV and 1.41, respectively, at room temperature. The device represents photovoltaic features with open-circuit voltage (Voc) of 0.37 V and a short-circuit current (Isc) of 8.17 µA under illumination of 100 mWcm-2. The results represent that the produced junction can be utilized in different photoelectric applications.

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Section: Introductionmentioning

confidence: 99%

Analysis of the optical and electronic characteristics of Al/NiPc complex/p-Si diode

Güllü,

Efe,

Tataroğlu

2024

Phys. Scr.

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“…Radiation is the transport of energy in the form of waves or particles (Lejosne et al, 2022;Aydemir et al, 2023). Radiation that has the energy to remove electrons from the atom's orbit is called ionizing radiation.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Surface Dose Accuracy of Two Dose Calculation Algorithms Using Thermoluminescent Dosimeters

GÜL

2023

Gazi University Journal of Science Part A: Engineering and Innovation

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Accurate estimation of the surface dose in radiotherapy is very important in reducing skin reactions. This study aims to evaluate the accuracy of two different treatment planning algorithms in calculating the surface dose in a specially designed phantom using thermoluminescent dosimetry (TLD). In this study, a special phantom was designed for surface dose measurement. The phantom surface consisted of an adhesive bolus for the adhesion of TLDs. 121 TLDs were placed 1 cm apart on the bolus surface. In TPS, irradiation plans were created at different fields and source-surface distances (SSD). Dose calculations were made with Anisotropic Algorithm algorithms (AAA) and Pencil Beam Convolution (PBC) algorithms for all plans. The mean dose was measured for each point. For each of the 4x4, 6x6, 8x8, 10x10, and 12x12 cm2 domains, the TLDs within the domain were approximately 1 cm inward from the edge. To measure the effect of SSD on surface dose, the isocenter point was located at depths of 0 cm, 2.5 cm and 5.0 cm, respectively. The surface dose at each depth was measured with TLDs. The doses calculated by the AAA and PBC algorithms were compared with the doses measured by TLDs. The AAA algorithm overestimates the surface dose by 4% compared to the TLD measurement for the 4x4 field. The surface dose calculation of the PBC algorithm was found to be high when compared to TLD measurements for all SSDs and fields. There was a significant difference between the PBC algorithm dose calculation and TLD measurements in all fields and SSDs (p<0.001). It was observed that the AAA algorithm performed better in calculating the surface dose than the PBC algorithm. AAA and PBC algorithm users are advised to be more careful about surface dose calculation.

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Role of Bi2O3 and PbO excess on the Di-/ferro-/piezoelectric and bi-polar strain properties in 0.39Bi(Ni0.5Ti0.5)O3–0.20PbZrO3–0.41PbTiO3 ternary ceramics near MPB

Bharath,

Babu,

Manikandan

et al. 2024

Appl. Phys. A

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Electrical and optical properties of p-Si based structures with lead oxide interfaces

Cited by 6 publications

References 42 publications

Analysis of the optical and electronic characteristics of Al/NiPc complex/p-Si diode

Analysis of the optical and electronic characteristics of Al/NiPc complex/p-Si diode

Investigation of Surface Dose Accuracy of Two Dose Calculation Algorithms Using Thermoluminescent Dosimeters

Role of Bi2O3 and PbO excess on the Di-/ferro-/piezoelectric and bi-polar strain properties in 0.39Bi(Ni0.5Ti0.5)O3–0.20PbZrO3–0.41PbTiO3 ternary ceramics near MPB

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