Dergi makalesi Açık Erişim
Mucur, Selin Piravadili; Canimkurbey, Betul; Korkmaz, Ayse Demir
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">MAGNETIC FIELD IMPLEMENTING INTO THE ELECTROLUMINESCENCE OF OLED DEVICES DOPED WITH CoFe2O4 NANOPARTICLES</subfield> </datafield> <datafield tag="909" ind1="C" ind2="4"> <subfield code="p">LIGHT & ENGINEERING</subfield> <subfield code="v">28</subfield> <subfield code="n">2</subfield> <subfield code="c">95-105</subfield> </datafield> <controlfield tag="001">91211</controlfield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-tubitak-adresli-yayinlar</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a">Cobalt ferrite magnetic nanoparticles (CoFe2O4 MNPs) were successfully prepared by citric acid-assisted sol-gel auto combustion method and used in emissive layer of organic light emitting diode (OLED). Dimensional, structural and magnetic properties of CoFe2O4 nanoparticles (NPs) were recearched and compared by using X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometer (VSM). CoFe2O4 MNPs were utilized at various concentrations (0.5 wt%, 1.0 wt% and 2.0 wt%) in the emissive layer of the OLEDs. The luminance, current efficiency and the electroluminescence characteristics of the devices with and without CoFe2O4 MNPs were investigated. An external magnetic field, B-ext, has also been applied to the OLEDs doped with MNPs while under operation. Effects of MNPs on OLED characteristics under B-ext were studied thoroughly. In the tailored device architecture, poly (3,4-ethylenedioxythiophene): poly polystyrene sulphonate (PEDOT: PSS) and poly(2-methoxy-5-(2-ethyl-hexyloxy))-1,4-phenylene vinylene (MEH-PPV) were used as a hole transport layer (HTL) and an emissive layer respectively with ITO/PEDOT: PSS/ MEH-PPV: CoFe2O4/Ca/Al device architecture. The obtained results of the fabricated OLEDs were enhanced in the presence of CoFe2O4 NPs under B-ext due to providing density of states in the polymer matrices. The turn-on voltage was diminished</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="2">opendefinition.org</subfield> <subfield code="a">cc-by</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Amasya Univ, Fac Arts & Sci, Dept Phys, Amasya, Turkey</subfield> <subfield code="a">Canimkurbey, Betul</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Istanbul Medeniyet Univ, Dept Chem, Fac Sci, Istanbul, Turkey</subfield> <subfield code="a">Korkmaz, Ayse Demir</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="b">article</subfield> <subfield code="a">publication</subfield> </datafield> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="u">Sci & Technol Res Council Turkey TUBITAK, Marmara Res Ctr MAM, Mat Inst, Kocaeli, Turkey</subfield> <subfield code="a">Mucur, Selin Piravadili</subfield> </datafield> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2020-01-01</subfield> </datafield> <controlfield tag="005">20210316121756.0</controlfield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="o">oai:zenodo.org:91211</subfield> <subfield code="p">user-tubitak-adresli-yayinlar</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="z">md5:2fa90825b96fe656b83cf93d4cb51e28</subfield> <subfield code="s">191</subfield> <subfield code="u">https://aperta.ulakbim.gov.trrecord/91211/files/bib-97292af1-e6ab-4b6a-9c44-4c3a0ad431ac.txt</subfield> </datafield> <datafield tag="540" ind1=" " ind2=" "> <subfield code="u">http://www.opendefinition.org/licenses/cc-by</subfield> <subfield code="a">Creative Commons Attribution</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.33383/2019-021</subfield> <subfield code="2">doi</subfield> </datafield> </record>
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