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Prof. Dr. Ümit H. KAYNAR
Prof. Dr. Ümit H. KAYNAR
Izmir bakırçay üniversitesi, Mühendislik ve Mimarlık Fakültesi
Verified email at bakircay.edu.tr
Title
Cited by
Cited by
Year
An efficient removal of RB5 from aqueous solution by adsorption onto nano-ZnO/Chitosan composite beads.
S Çınar, ÜH Kaynar, T Aydemir, SC Kaynar, M Ayvacıklı
International journal of biological macromolecules 96 (March 2017,), Pages …, 2017
1342017
Removal of thorium (IV) ions from aqueous solution by a novel nanoporous ZnO: isotherms, kinetic and thermodynamic studies
ÜH Kaynar, M Ayvacıklı, Ü Hiçsönmez, SÇ Kaynar
Journal of Environmental Radioactivity 150, 145-151, 2015
782015
İlköğretimde kullanılan fen bilgisi ders kitaplarının bazı kriterlere göre incelenmesi
Ş Aycan, ÜH Kaynar, S Türkoğuz, E Arı
V. Ulusal Fen Bilimleri ve Matematik Eğitimi Kongresi (16-18 Eylül), Ankara …, 2002
692002
Fen ve fizik öğretiminde bilgisayar destekli simülasyon tekniğinin öğrenci başarısına etkisi: yeryüzünde hareket örneği
Ş Aycan, E Arı, S Türkoğuz, H Sezer, Ü Kaynar
Marmara Üniversitesi Atatürk Eğitim Fakültesi Eğitim Bilimleri Dergisi 15 …, 2002
642002
Structural and temperature dependence luminescence characteristics of RE (RE= Eu3+, Dy3+, Sm3+ and Tb3+) in the new gadolinium aluminate borate phosphor
O Madkhali, ÜH Kaynar, Y Alajlani, MB Çoban, JG Guinea, M Ayvacikli, ...
Ceramics International 49 (12), 19982-19995, 2023
612023
Periyodik cetvelin ve elementlerin tombala oyun tekniği ile öğretimi ve bellekte kalıcılığının saptanması
Ş Aycan, S Türkoğuz, E Arı, Ü Kaynar
V. Ulusal Fen Bilimleri ve Matematik Eğitimi Kongresi, Orta Doğu Teknik …, 2002
492002
Modeling of thorium (IV) ions adsorption onto a novel adsorbent material silicon dioxide nano-balls using response surface methodology
ÜH Kaynar, I Şabikoğlu, SÇ Kaynar, M Eral
Applied Radiation and Isotopes 115, 280-288, 2016
472016
Removal of uranium (VI) from aqueous solutions using nanoporous ZnO prepared with microwave-assisted combustion synthesis
ÜH Kaynar, M Ayvacıklı, SC Kaynar, Ü Hiçsönmez
Journal of Radioanalytical and Nuclear Chemistry 299 (3), 1469-1477, 2014
462014
Dy3+ and Eu3+ co-activated gadolinium aluminate borate phosphor: Synthesis, enhanced luminescence, energy transfer and tunable color
O Madkhali, ÜH Kaynar, SC Kaynar, M Ayvacikli, N Can
Materials Research Bulletin 164, 112282, 2023
452023
Thermoluminescence properties of beta particle irradiated Ca3Al2O6 phosphor relative to environmental dosimetry
Mohammed Bakr, Ziyafer Gizem PORTAKAL, Mehmet Yüksel, Umit H. kaynar, Mehmet ...
Journal of Luminescence 117565, 2020
422020
Synthesis and competitive luminescence quenching mechanism of Ca3Al2O6:Ln3+ (Ln: Dy and Sm) phosphors
NC M.Bakr, Ümit H.Kaynar, M.Ayvacikli, S.Benourdja, Y.Karabulut, A.Hammoudeh
Materials Research Bulletin 111010, 2020
392020
Structural and temperature-dependent luminescence of Terbium doped YAl3 (BO3) 4 phosphor synthesized by the combustion method
J Hakami, ÜH Kaynar, M Ayvacikli, MB Çoban, J Garcia-Guinea, ...
Ceramics International 48 (21), 32256-32265, 2022
362022
Eu3+ and Dy3+ doped La2MoO6 and La2Mo2O9 phosphors: Synthesis and luminescence properties
NC Ümit H.Kaynar, S.Cam Kaynar, Y.Alajlani, M.Ayvacikli, E.Karali, Y ...
Materials Research Bulletin 110723, 2020
352020
Adsorption of thorium (IV) by amorphous silica; response surface modelling and optimization
ÜH Kaynar, İ Şabikoğlu
Journal of Radioanalytical and Nuclear Chemistry, 2018
312018
Structural and photoluminescent analysis of novel Eu3+ and Dy3+ Co-doped ZnO nanoparticles by incorporation of Li+ and K+ ions
AS Altowyan, MB Çoban, UH Kaynar, EA Çin, M Ayvacikli, J Hakami, ...
Ceramics International 50 (9), 14529-14541, 2024
302024
Modelling and Optimization of Uranium (VI) Ions Adsorption Onto Nano-ZnO/Chitosan Bio-composite Beads with Response Surface Methodology (RSM)
ÜH Kaynar, S Çınar, SÇ Kaynar, M Ayvacıklı, T Aydemir
Journal of Polymers and the Environment · October 2017, 2018
302018
Characterization, room and low temperature photoluminescence of yttrium aluminium borate activated with Sm3+ ions
AY Madkhli, ÜH Kaynar, MB Çoban, M Ayvacikli, A Canimoglu, N Can
Materials Research Bulletin 161, 112167, 2023
292023
Adsorption of thorium (IV) ions by metal ion doped ZnO nanomaterial prepared with combustion synthesis: Empirical modelling and process optimization by response surface …
UH Kaynar, SÇ Kaynar, EE Karali, M Ayvacıkli, N Can
Applied Radiation and Isotopes 178, 109955, 2021
292021
Temperature-dependent photoluminescence of novel Eu3+, Tb3+, and Dy3+ doped LaCa4O (BO3) 3: insights at low and room temperatures
AS Altowyan, MB Çoban, UH Kaynar, J Hakami, M Ayvacikli, A Hiziroglu, ...
Applied Radiation and Isotopes 208, 111308, 2024
282024
Temperature-responsive insights: Investigating Eu3+ and Dy3+ activated yttrium calcium oxyborate phosphors for structure and luminescence
DA Jabali, AY Madkhli, G Souadi, ÜH Kaynar, MB Çoban, O Madkhali, ...
Applied Radiation and Isotopes 206, 111214, 2024
282024
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Articles 1–20