Energy-transfer phenomenon and color-tunable properties of Ca2Al2SiO7: Dy3+/Eu3+ phosphors
Tập 132 Số 1B (2023), Nghiên cứu
Tập 132 Số 1B (2023)

Energy-transfer phenomenon and color-tunable properties of Ca2Al2SiO7: Dy3+/Eu3+ phosphors

Nghiên cứu
https://doi.org/10.26459/hueunijns.v132i1B.6816
Đã xuất bản 2023-06-30
Do Thanh Tien
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Nguyễn Mạnh Sơn
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Nguyen Dang Nhat
School of Engineering and Technology, Hue University, 1 Dien Bien Phu St., Hue, Vietnam
Ho Van Tuyen
Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
Le Xuan Diem Ngoc
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Tran Quoc Toan
Phan Boi Chau High School, 24 Hung Vuong St., Pleiku, Gia Lai

Tóm tắt

Ca2Al2SiO7 (CAS) doped with Eu3+ and Dy3+ was successfully synthesised with the solid-phase reaction method, in which the sample was sintered at 1,280 °C for one hour. The energy-transfer phenomenon from Dy3+ to Eu3+ was observed in the CAS matrix. The optimal doping concentration of Dy3+ and Eu3+ is 1.5 and 1% mol. In addition, the energy-transfer mechanism, CIE colour coordinate, and CCT colour temperature of CAS/Dy3+/Eu3+ were also presented and discussed.

https://doi.org/10.26459/hueunijns.v132i1B.6816
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