ZnO varistors with iron oxide

Çam, İbrahim


ZnO Nanorods as Antireflective Coatings for Industrial-Scale Single-Crystalline Silicon Solar Cells
AURANG, Pantea; Demircioglu, Olgu; ES, FIRAT; Turan, Raşit; Ünalan, Hüsnü Emrah (Wiley, 2013-04-01)
In this work, both planar and textured, industrial scale (156mmx156mm) single-crystalline silicon (Si) solar cells have been fabricated using zinc oxide (ZnO) nanorods as antireflection coating (ARC). ZnO nanorods were grown in a few minutes via hydrothermal method within a commercially available microwave oven. Relative improvement in excess of 65% in the reflectivity was observed for both planar and textured Si surfaces. Through ZnO nanorods, effective lifetime (eff) measurements were presented to investi...
ZnO quantum dots-graphene composites: Formation mechanism and enhanced photocatalytic activity for degradation of methyl orange dye
Tayyebi, Ahmad; Outokesh, Mohammad; Tayebi, Meysam; Shafikhani, Azizollah; Şengör, Sema Sevinç (2016-04-01)
The current study demonstrates homogenous decorating of zinc oxide quantum dots (QDs) onto graphene oxide (GO) surface via simple chemical method. The AFM image exhibited that the prepared graphene was 0.8 nm thick and hence practically monolayer. Average size of the ZnO QDs was estimated by transmission electron microscopy around 3 nm. Instrumental and chemical analyses demonstrated formation of a strong bond between ZnO QDs and GO, through C-O-Zn and C-Zn bridges. The UV-visible spectra displayed that the...
ZnO-SrAl2O4:Eu Nanocomposite-Based Optical Sensors for Luminescence Thermometry
Ghahrizjani, Reza Taheri; Ghafarkani, Mashhood; Janghorban, Samira; Ameri, Mohsen; Azadinia, Mohsen; Mohajerani, Ezeddin; Qaryan, Mahdi; Eslami, Pegah; Fouladinasab, Hatef (2021-09-01)
Conventional thermometers fail to operate in a variety of medical procedures due to the harsh and sensitive environments required for such applications, and therefore, the development of optical fiber thermometers has gained significant attention. In this study, a ZnO-SrAl2O4:Eu (ZnO-SAO:Eu) nanocomposite has been synthesized by using a CO2 laser, which showed enhanced optical properties and a dynamic range in comparison with the crystalline ones. XRD, EDAX, SEM, and PL spectroscopy investigated the crystal...
ZnO Nanowire and WS2 Nanotube Electronics
Ünalan, Hüsnü Emrah; et. al. (2008-11-01)
In this paper, we report on the synthesis and applications of semiconducting nanostructures. Nanostructures of interest were zinc oxide (ZnO) nanowires and tungsten disulfide (WS2) nanotubes where transistors/phototransistors and photovoltaic (PV) energy conversion cells have been fabricated. ZnO nanowires were grown with both high- and low-temperature approaches, depending on the application. Individual ZnO nanowire side-gated transistors revealed excellent performance with a field-effect mobility of 928 c...
Zn1-xCuxO thin films for NO gas detection deposited by SILAR method
Karaduman, Irmak; Çorlu, Tuğba; Galioğlu, Sezin; Akata Kurç, Burcu; Yıldırım, Memet Ali; Ateş, Aytünç; Acar, Selim (null; 2017-10-29)
Citation Formats
İ. Çam, “ZnO varistors with iron oxide,” Middle East Technical University, 1989.