Effect of calcination and carbon incorporation on NiO nanowires for photodiode performance

Soylu, M.; Dere, A.; Al‐Sehemi, Abdullah G.; Al-Ghamdi, Ahmed A.; Yakuphanoğlu, F.

doi:10.1016/j.mee.2018.10.007

Cited by 18 publications

(3 citation statements)

References 44 publications

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“…In contrast, the UV-Vis spectra of the Mg-doped NiO\MWCNTs nanocomposite display a shift towards the higher wavelength (red shift) at absorption peak at 361 nm with an apparent higher band intensity [29,30]. In state of measurement the optical band gap energy (E g ) for all samples can be calculated by Tauc's equation [31]:…”

Section: Optical Measurementsmentioning

confidence: 99%

WITHDRAWN: Mg-doped NiO Nanoparticles Decorated Multi-Walled Carbon Nanotube (MWCNT) Nanocomposite and their Biological Activities

Taha

Mka

et al. 2021

Preprint

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Here we report a novel nanocomposite composed from Mg-doped NiO and Mg-doped\MWCNT using a facile sol-gel method. The synthesized Mg-doped NiO and Mg-doped\MWCNT nanocomposite was characterization by XRD diffraction (XRD), energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and UV–Vis spectrophotometer. The X-Ray analysis revealed that the formation of nanocomposites, which has a cubic phase and a high crystalline nature. The FE-SEM images confirmed the success of decoration the 6%Mg- doped NiO on the surface of the treated MWCNT through the emergence of spherical shapes over the cylindrical tubes. Conversely, optical measurements reveal that the energy gap value for the Mg-NiO and the Mg/NiO-MWCNT nanocomposite are 3.28 and 2.82 eV, respectively. This indicates decreasing the zone between conduction band and valance band. Moreover, it found that Mg doped NiO\MWCNT nanocomposite showed high removal efficiency towards the lead element compared with the Mg-doped NiO. Also, MTT test was employed to study antitumor activity against MCF-7 and WRL68 cells. Our results showed that the Mg doped NiO-MWCNT had cell viability of 66.7 and 71.9% against MCF-7 and WRL68, respectively. Whereas, Mg-doped NiO sample showed cell viability of 70.2 and 71.9% against MCF-7 and WRL68, respectively.

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Section: Optical Measurementsmentioning

confidence: 99%

WITHDRAWN: Mg-doped NiO Nanoparticles Decorated Multi-Walled Carbon Nanotube (MWCNT) Nanocomposite and their Biological Activities

Taha

Mka

et al. 2021

Preprint

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show abstract

“…36-1451 and literature studies and show that the produced ZnO films are in hexagonal wurtzite structure [26][27][28][29]. The (111) and ( 200) planes seen in high density in pure NiO are attributed to the crystalline nature of NiO [23][24][25] and different peaks in pure ZnO indicate that ZnO is polycrystalline [30]. On the other hand, characteristic peaks of both oxides were found in composite thin films.…”

Section: Structural and Morphological Properties Of Nio:zno/p-si Thin...mentioning

confidence: 81%

“…These peaks are consistent with JCPDS card no. 47-1049 [23][24][25] and correspond to planes (111), ( 200), ( 220), ( 311) and ( 222), respectively. The peaks in (100), ( 002), ( 101), ( 102), ( 110), ( 103), ( 200), ( 112), ( 201), ( 004) and (202) planes in pure ZnO observed at 31.85°, 34.50°, 36.32°, 47.63°, 56.67°, 62.94°, 66.46°, 68.01°, 69.14°, 72.63° and 77.07° 2θ degrees, respectively.…”

Section: Structural and Morphological Properties Of Nio:zno/p-si Thin...mentioning

confidence: 99%

Production and Characterization of AlNiOZnOp-SiAl Composite Photodiodes for Solar Energy Tracking Systems

GÜRGENÇ

Di̇ki̇ci̇

Aslan

2022

Turkish Journal of Science and Technology

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In present study, NiO:ZnO thin films in molar ratios of 1:0, 0:1, 3:1, 1:1 and 1:3 were formed on p-Si layers with Aluminium (Al) bottom contact. The dynamic sol-gel spin coating method was used as coating method. The Al top contacts were deposited on thin films and Al/NiO:ZnO/p-Si/Al photodiodes were fabricated. The structural and morphological properties of the photodiodes were determined by X-ray diffraction (XRD), emission scanning electron microscopy (FE-SEM), and energy dispersive X-ray spectroscopy (EDX). The photoresponse and electrical properties of the produced photodiodes were investigated by current-voltage (I-V) and capacitance-voltage (C-V) measurements. The Al/NiO:ZnO/p-Si/Al photodiodes were successfully fabricated. It was determined that the thin films were composed of nanostructures. All photodiodes are sensitive to light. It was seen that the photosensitivity of composite photodiodes was higher than the pure photodiodes and photosensitivity decreased as the ZnO ratio increased. It was determined that the most sensitive photodiode to light was the composite photodiode with a NiO:ZnO ratio of 3:1, and the highest photosensitivity was measured as 3.12 x 10 3 at 100 mW/cm 2 light intensity in this photodiode. In all photodiodes, the capacitance values decreased as the frequency increased. The results show that by changing the NiO:ZnO ratio, the photoresponse and electrical parameters of the photodiodes can be controlled and the produced photodiodes can be used as a photosensor in solar tracking systems and optoelectronic applications.

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Sr-doped yttrium nickel oxide-based photodetectors

Yalcin

Ozmen

Yakuphanoğlu

2020

J Mater Sci: Mater Electron

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Effect of calcination and carbon incorporation on NiO nanowires for photodiode performance

Cited by 18 publications

References 44 publications

WITHDRAWN: Mg-doped NiO Nanoparticles Decorated Multi-Walled Carbon Nanotube (MWCNT) Nanocomposite and their Biological Activities

WITHDRAWN: Mg-doped NiO Nanoparticles Decorated Multi-Walled Carbon Nanotube (MWCNT) Nanocomposite and their Biological Activities

Production and Characterization of AlNiOZnOp-SiAl Composite Photodiodes for Solar Energy Tracking Systems

Sr-doped yttrium nickel oxide-based photodetectors

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