Eu2+ & Mn2+ co-activated Sr3Si6O3N8 green emitting phosphors with enhanced fluorescence emission

Autor: Yingbao Ren, Degang Deng, Shiqing Xu, Zhen Wu, Beinger Zhou, Zhouwei Jin, Yuyu Wu, Hua Yu, Qinger Zhao, Shiyun Xu, Shaojia Tong, Zhimeng Shao
Rok vydání: 2014
Předmět:
Zdroj: Optics Communications. 322:224-226
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2014.01.074
Popis: Mn 2+ /Eu 2+ co-activated Sr 3 Si 6 O 3 N 8 phosphor was synthesized by conventional solid state reaction. Sr 3 Si 6 O 3 N 8 :Eu 2+ , Mn 2+ green-emitting phosphor could be effectively excited by UV–visible light from 300 nm to 500 nm, which matched well with the emission of UV and blue LED chips. The luminescence intensity of Sr 3 Si 6 O 3 N 8 :Eu 2+ could be efficiently enhanced by co-doping with Mn 2+ ions. The energy transfer mechanism between Eu 2+ and Mn 2+ in Sr 3 Si 6 O 3 N 8 :Eu 2+ , Mn 2+ phosphors is dominated by electric multipole effect interaction.
Databáze: OpenAIRE