By optimizing the Debye temperature,we identified two extremely efficient phosphors based on the S-P transition of Bi^(3+).The quantum yields of Sr_(0.99)Ga_(1.50)B_(2)O_(7):0.01Bi^(3+),0.50Al^(3+)and Ba_(0.995)Ga_(1....By optimizing the Debye temperature,we identified two extremely efficient phosphors based on the S-P transition of Bi^(3+).The quantum yields of Sr_(0.99)Ga_(1.50)B_(2)O_(7):0.01Bi^(3+),0.50Al^(3+)and Ba_(0.995)Ga_(1.60)B_(2)O_(7):0.005Bi^(3+),0.40Al^(3+)phosphors reach 96%and 99%,respectively.Moreover,Sr_(0.99)Ga_(1.50)B_(2)O_(7):0.01Bi^(3+),0.50Al^(3+)exhibits negative thermal quenching,which shows unique advantages for practical application.The blue phosphors with quantum efficiencies close to unity and superior thermal stability can be competitive candidates for practical applications.展开更多
基金supported by the Key Laboratory for Green Chemical Process of Ministry of Education,Wuhan Institute of Technology,via grant GCP20190201。
文摘By optimizing the Debye temperature,we identified two extremely efficient phosphors based on the S-P transition of Bi^(3+).The quantum yields of Sr_(0.99)Ga_(1.50)B_(2)O_(7):0.01Bi^(3+),0.50Al^(3+)and Ba_(0.995)Ga_(1.60)B_(2)O_(7):0.005Bi^(3+),0.40Al^(3+)phosphors reach 96%and 99%,respectively.Moreover,Sr_(0.99)Ga_(1.50)B_(2)O_(7):0.01Bi^(3+),0.50Al^(3+)exhibits negative thermal quenching,which shows unique advantages for practical application.The blue phosphors with quantum efficiencies close to unity and superior thermal stability can be competitive candidates for practical applications.
