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Mixed Ligand Orange Emitter Zinc Complex for Organic Light Emitting Diodes

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Book cover Physics of Semiconductor Devices

Part of the book series: Environmental Science and Engineering ((ENVENG))

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Abstract

We report synthesis, characterization and use of ternary zinc complex as emissive and electron transport material in organic light emitting devices (OLED). 5,7-dimethyl-8-hydroxyquinoline have been used with 2-(2-hydroxyphenyl) benzoxazole to synthesize (2-(2-hydroxyphenyl)benzoxazolato) (5,7-dimethyl-8-hydroxyquinolinato)zinc(II) [Zn(HPB)(Me2q)]. The complex possessed high thermal stability and having good film forming property. Optical properties of the synthesized complex have been studied by UV–visible absorption, photo-luminescence and transient photo-luminescence spectroscopy. Synthesized material shows quite good efficiency in multilayered device structure ITO/α-NPD/Zn(HPB)(Me2q)/BCP/Alq3/LiF/Al with maximum brightness of 4017 cd/m2 having electroluminescence spectral peak emission centered at 567 nm. Electron mobility of the synthesized complex was found to be 1.5 × 10−6 − 1.2 × 10−5 cm2/V s. for electric field range 1,000–1,200 (V/cm)1/2 and hence can be used as electron transport material in OLEDs.

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Authors and Affiliations

  1. Amity Institute of Advanced Research and Studies (Materials and Devices), Amity University, Noida, 201303, Uttar Pradesh, India

    Amit Kumar, Kanchan Saxena, Vinod K. Jain & Modeeparampil N. Kamalasanan

  2. Center for Organic Electronics, OLED Lab, Physics of Energy Harvesting Division, National Physical Laboratory, New Delhi, 110012, India

    Amit Kumar & Ritu Srivastava

  3. Department of Chemical Sciences, Tata Institute of Fundamental Research, Colaba, Homi Bhabha Road, Mumbai, 400005, India

    Akshaya Kumar Palai

  4. Department of Chemistry, M.D.University, Rohtak, 124001, Haryana, India

    Ishwar Singh

Authors
  1. Amit Kumar
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  2. Akshaya Kumar Palai
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  3. Kanchan Saxena
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  4. Vinod K. Jain
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  5. Ritu Srivastava
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  6. Modeeparampil N. Kamalasanan
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  7. Ishwar Singh
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Correspondence to Amit Kumar .

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Editors and Affiliations

  1. Amity Institute for Advanced Research and Studies (Meterials & Devices), Amity University, Noida, Uttar Pradesh, India

    V. K. Jain

  2. Amity Institute for Advanced Research and Studies (Meterials & Devices), Amity University, Noida, Uttar Pradesh, India

    Abhishek Verma

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© 2014 Springer International Publishing Switzerland

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Kumar, A. et al. (2014). Mixed Ligand Orange Emitter Zinc Complex for Organic Light Emitting Diodes. In: Jain, V., Verma, A. (eds) Physics of Semiconductor Devices. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-03002-9_229

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