A. Tumbul

ORCID: 0000-0003-3790-9667
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About
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Research Areas
  • Copper-based nanomaterials and applications
  • Chalcogenide Semiconductor Thin Films
  • ZnO doping and properties
  • Quantum Dots Synthesis And Properties
  • Gas Sensing Nanomaterials and Sensors
  • Ga2O3 and related materials
  • Nanofluid Flow and Heat Transfer
  • Solar Thermal and Photovoltaic Systems
  • Dielectric materials and actuators
  • Science Education and Pedagogy
  • Thin-Film Transistor Technologies
  • Education and Critical Thinking Development
  • Acoustic Wave Resonator Technologies
  • Magnetic Properties of Alloys
  • Semiconductor materials and interfaces
  • Solar-Powered Water Purification Methods
  • Ferroelectric and Piezoelectric Materials
  • Multiferroics and related materials
  • Electron and X-Ray Spectroscopy Techniques
  • Educational Strategies and Epistemologies
  • Magnetic and transport properties of perovskites and related materials

Harran University
2014-2023

Abstract The solar absorbing materials attract attention for the opto-electronic device applications such as cells and photocatalysis. Interest in photocatalytic to clean up wastewater has started increase. Generally, semiconductors sensitive UV region are used. However, most of light from sun is visible region. Cu 2 CoSnS 4 a promising material that exhibits superior photo-response regions with an appropriate band gap. In this study, films were prepared by sol–gel method. Co 1–x Na x SnS...

10.1007/s00339-024-07374-1 article EN cc-by Applied Physics A 2024-03-12

10.1007/s10971-019-04990-9 article EN Journal of Sol-Gel Science and Technology 2019-04-10

10.1007/s10971-016-4131-z article EN Journal of Sol-Gel Science and Technology 2016-07-04

In this work, we have investigated the influence of different zinc precursors and Cu/(Zn+Sn) stoichiometries (1.4, 1.19 0.92) on structural, morphological, optical electrical properties solution derivable Cu2ZnSnS4 (CZTS) thin-films by using dip coating technique. X-ray diffraction (XRD) results pointed out that CZTS thin films crystallized in kesterite structures with (112) preferred orientation. It was founded peak intensity acetate based twice as severe nitrate based. also observed...

10.1088/2053-1591/aac80e article EN Materials Research Express 2018-05-25

ZnO is one of the most investigated semiconductor material in optoelectronic applications. Its eco-friendly, abundance and superior physical properties, makes it quite remarkable for researchers. In this study, we have shown that a new type salen-phenyl boron complex (L2BPh2) can strongly affect properties nanostructured samples. To prepare doped undoped thin film samples on glass substrates popular solution non-vacuum based sol-gel method was used. By adding critical 0.5% molar ratio...

10.1088/2053-1591/aaf4d8 article EN Materials Research Express 2018-11-29

ZnO is one of the most widely used semiconductors for opto-electronic applications due to its tunable band gap energy, high optical transparency in visible region. The effect different monoethanolamine (MEA) ratio on structural, morphological and properties thin films was investigated this study. A nano-fiber like structured fabricated through facile sol-gel dip coating process glass substrates without any further treatment. We observed that peak intensity samples increased amount defects...

10.29233/sdufeffd.513412 article EN cc-by-nc-nd Süleyman Demirel Üniversitesi Fen Edebiyat Fakültesi Fen Dergisi 2019-05-22

In this study, we present structural and dielectric properties of doped un-doped BaTiO3 (BTO) thin films samples. BTO sample were produced by non-vacuum process specifically sol-gel spin coating technique. The samples involve Co, Gd, Mn, Sr, Zr in the Ba-site BTO. We used SEM, XRD AFM analysis techniques to characterized our also conduct a measurement using Vector Network Analyzer. According findings highest constants observed for Sr which not applied any heat treatment obtained as 9.25 9.4...

10.1016/j.kjs.2023.06.001 article EN cc-by-nc-nd Kuwait Journal of Science 2023-06-08
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