ZnMgO-nanorod-based Schottky Light-emitting Diode Fabricated on n-SiC Substrate Using Low-temperature Method

Bano, Nargis; Hussain, I.; Saleemi, Farhat; Sawaf, S; Ain, Qura Tul

doi:10.1007/s12633-018-9990-1

Cited by 4 publications

(1 citation statement)

References 29 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For example, due to their large band gap energy (above 3.37 eV) and good electrical properties (high electron mobility and low resistance), ZnO-based materials have the great benefit to be applied in large-area TFT-LCD panels or transparent electronic circuits to increase the transparency. Because of the good optoelectronic properties in the near-UV range and their excellent chemical and thermal stabilities, they are promising materials for the next generation of short-wavelength light emitting diode (LED) and laser diodes [6]. Among ZnO-based materials, ZnMgO is a strong candidate for UV photodetectors due to its high absorption coefficient, tunable band gap energy (3.3-7.8 eV), and high radiation hardness [7,8].…”

Section: Introductionmentioning

confidence: 99%

Nanorod Arrays Enhanced UV Light Response of Mg-Doped ZnO Films

et al. 2020

View full text Add to dashboard Cite

Zn1−xMgxO (x = 0, 0.03, 0.05, and 0.07) nanocrystalline films were grown on silicon substrates using the sol–gel method. Furthermore, Zn1−xMgxO vertically aligned hexagonal symmetrical nanorods with six reflection symmetries were fabricated on pure ZnO-seeded layer n-type silicon substrates via a low-temperature hydrothermal method to enhance the ultraviolet (UV) light response. The crystal microstructures and surface morphologies of nanocrystalline films and nanorod arrays were determined by X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Transmission spectra showed that the increasing Mg content will increase the band gap energy from 3.28 to 3.46 eV. However, the current–voltage curves in the dark and under UV illumination showed that the UV response did not improve by the incorporation of magnesium. We changed the flat surface of films into symmetrical nanorod arrays and demonstrated they can significantly enhance the normalized photo-to-dark-current ratio up to ten times.

show abstract

Section: Introductionmentioning

confidence: 99%