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Synthesis and Luminescence of Ba₂ScCl₇

Bhoyar R.A.¹, Nayak A.C.², Wankhede S.P.³, Belsare P.D.⁴, Moharil S.V.⁵

¹Research Scholar, RKDF University, Bhopal, India
²Principal SSSCE, RKDF University, Bhopal, India
³Department of Physics, K.D.K. College of Engineering, Nagpur, India

Department of Physics, K.D.K. College of Engineering, Nagpur, India

⁴Shri Ramdeobaba College of Engineering and Management, Nagpur,, India

⁵Department of Physics, RTM Nagpur University, Nagpur,, India

Email: rajanibhoyar1@gmail.com

Поступила в редакцию: 24 февраля 2021 г.

Выставление онлайн: 11 апреля 2021 г.

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New results on luminescence in Ba₂ScCl₇ are reported. Lanthanides Eu²⁺ and Ce³⁺ were chosen as activators. The phosphors could be prepared by a simple wet chemical method. Reduction of europium to the divalent form could be achieved at 400^oC. Both activators exhibit strong photoluminescence (PL) originating in transitions from the lowest energy state of 4f^n-15d¹ configuration to the ground state of 4f⁷/4f¹ configuration. Simple preparation coupled with intense PL prompted us to suggest that these hitherto unexplored phosphors could be exploited for applications such as scintillator. Keywords: halide, photoluminescence, phosphor.

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