Mg doping levels and annealing temperature induced structural, optical and electrical properties of highly c-axis oriented ZnO:Mg thin films and Al/ZnO:Mg/p-Si/Al heterojunction diode

Göktaş, A.; Tumbul, Ahmet; Aba, Z.; Durgun, Mustafa

doi:10.1016/j.tsf.2019.04.024

Cited by 80 publications

(22 citation statements)

References 35 publications

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“…The same behavior was reported in the literature [45][46][47]. The crystallite size decreased as the Mg content increased to 4% and 5%, which was possibly because of the lower occupation of Mg in the ZnO lattice sites [48][49][50]. Doping generally causes imperfections in the crystallization of host materials in the form of defects and oxygen vacancies, which change the structure and geometric parameters of Mg-doped ZnO nanorods, as presented in Table 1.…”

Section: Structure Morphology and Optical Properties Of The Mg-dopesupporting

confidence: 82%

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Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors

Al-Khalqi

Hamid

Al-Hardan

et al. 2021

Sensors

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For highly sensitive pH sensing, an electrolyte insulator semiconductor (EIS) device, based on ZnO nanorod-sensing membrane layers doped with magnesium, was proposed. ZnO nanorod samples prepared via a hydrothermal process with different Mg molar ratios (0–5%) were characterized to explore the impact of magnesium content on the structural and optical characteristics and sensing performance by X-ray diffraction analysis (XRD), atomic force microscopy (AFM), and photoluminescence (PL). The results indicated that the ZnO nanorods doped with 3% Mg had a high hydrogen ion sensitivity (83.77 mV/pH), linearity (96.06%), hysteresis (3 mV), and drift (0.218 mV/h) due to the improved crystalline quality and the surface hydroxyl group role of ZnO. In addition, the detection characteristics varied with the doping concentration and were suitable for developing biomedical detection applications with different detection elements.

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Section: Structure Morphology and Optical Properties Of The Mg-dopesupporting

confidence: 82%

“…The same behavior was reported in the literature [ 45 , 46 , 47 ]. The crystallite size decreased as the Mg content increased to 4% and 5%, which was possibly because of the lower occupation of Mg in the ZnO lattice sites [ 48 , 49 , 50 ].…”

Section: Resultsmentioning

confidence: 99%

Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors

Al-Khalqi

Hamid

Al-Hardan

et al. 2021

Sensors

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“…International Journal of Photoenergy 400, 450, 500, and 550°C, respectively. The slight increment of bandgap energy with increasing temperature might be due to the Burstein-Moss effect as reported in previous studies [25].…”

Section: Xrd Analysessupporting

confidence: 76%

Fabrication of Dye-Sensitized Solar Cells (DSSC) Using Mg-Doped ZnO as Photoanode and Extract of Rose Myrtle (Rhodomyrtus tomentosa) as Natural Dye

Siregar

Motlan

Panggabean

et al. 2021

International Journal of Photoenergy

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A dye-sensitized solar cell (DSSC) device using Mg-doped Zn thin films as photoanode and fruit extract of rose myrtle (Rhodomyrtus tomentosa) as the natural dye was investigated. The effect of annealing temperature (400-550°C) on the films of photoanode was systematically studied using an X-ray diffractometer (XRD), UV-Visible Near Infrared (UV-Vis NIR) Spectrophotometer, scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS). XRD confirm that all sample has the wurtzite hexagonal with crystallite size of 25 nm. The SEM images reveal particles on the surface of the Mg-doped ZnO thin film of irregular shapes. Increasing the annealing temperature leads to a larger particle size and slightly increases bandgap energy. The dye sensitizer of extracted rose myrtle (Rhodomyrtus tomentosa) has a strong absorption at the visible light region. The maximum efficiency of the DSSC device is 3.53% with Mg-ZnO photoanode annealed at 500°C.

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“…In the above considerations, the effect on the electrical properties of the crystalline domain size, the grain size, the grain boundaries and micro-strains have not been considered, although they are known to impact significantly. 74,75 The difficulty lies in the fact that the change of the sintering conditions used to reduce the average grain size might also slightly change the amount of oxygen in the materials, thus hindering the intrinsic effect of the grain size. Further study of the particle size dependence on the electrical transport in bulk nanostructured r-TiO 2 with a fine control over the oxygen content would be required in particular when lower particle size will be accessible.…”

Section: Resultsmentioning

confidence: 99%

Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO₂ceramics: from polarons to Nb–Nb dimers

Verchère

Pailhés

Floch

et al. 2020

Phys. Chem. Chem. Phys.

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Mg doping levels and annealing temperature induced structural, optical and electrical properties of highly c-axis oriented ZnO:Mg thin films and Al/ZnO:Mg/p-Si/Al heterojunction diode

Cited by 80 publications

References 35 publications

Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors

Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors

Fabrication of Dye-Sensitized Solar Cells (DSSC) Using Mg-Doped ZnO as Photoanode and Extract of Rose Myrtle (Rhodomyrtus tomentosa) as Natural Dye

Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO₂ceramics: from polarons to Nb–Nb dimers

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Mg doping levels and annealing temperature induced structural, optical and electrical properties of highly c-axis oriented ZnO:Mg thin films and Al/ZnO:Mg/p-Si/Al heterojunction diode

Cited by 80 publications

References 35 publications

Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors

Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors

Fabrication of Dye-Sensitized Solar Cells (DSSC) Using Mg-Doped ZnO as Photoanode and Extract of Rose Myrtle (Rhodomyrtus tomentosa) as Natural Dye

Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO2ceramics: from polarons to Nb–Nb dimers

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Optimum in the thermoelectric efficiency of nanostructured Nb-doped TiO₂ceramics: from polarons to Nb–Nb dimers