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Luminescence Properties of Rare-Earth-Doped CaO Phosphors

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Advanced Materials for Solid State Lighting

Part of the book series: Progress in Optical Science and Photonics ((POSP,volume 25))

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Abstract

Properties such as cost-effectiveness, strong luminescent emission, low toxicity, and a better substrate for doping of rare-earth (RE) ions have made CaO material one of the various host materials employed for various applications, including ceramics, catalysis, deep-UV LEDs, and warm white LEDs. The main focus of this chapter is on the different synthesis techniques used for the fabrication of CaO phosphor and their effect on its optical properties. Further, this chapter provides significant detail about the various types of dopants used in the CaO matrix to enhance its optical and structural properties, along with providing efficient energy transfer to the activator ions. In this study, we focused on the use of RE dopants in the framework of CaO phosphors. All such dopants use different types of excitation wavelengths to stimulate the emission of photons, mostly in the visible region of the electromagnetic spectrum. The emission wavelength from various activator centers as well as the electronic transition responsible for the generation of a particular wavelength has also been mentioned.

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Authors and Affiliations

  1. Department of Physics, National Institute of Technology Srinagar, Hazratbal, Jammu and Kashmir, 190006, India

    Umer Mushtaq, Irfan Ayoub, Nisar Hussain & Vijay Kumar

  2. Institute of Forensic Science and Criminology, Panjab University, Chandigarh, 160014, India

    Vishal Sharma

  3. Department of Physics, University of the Free State, P.O. Box 339, Bloemfontein, ZA9300, South Africa

    Hendrik C. Swart & Vijay Kumar

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    Vijay Kumar

  2. Institute of Forensic Science and Criminology, Panjab University, Chandigarh, Chandigarh, India

    Vishal Sharma

  3. Department of Physics, University of the Free State, Bloemfontein, South Africa

    Hendrik C. Swart

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Mushtaq, U., Ayoub, I., Hussain, N., Sharma, V., Swart, H.C., Kumar, V. (2023). Luminescence Properties of Rare-Earth-Doped CaO Phosphors. In: Kumar, V., Sharma, V., Swart, H.C. (eds) Advanced Materials for Solid State Lighting. Progress in Optical Science and Photonics, vol 25. Springer, Singapore. https://doi.org/10.1007/978-981-99-4145-2_6

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