Effect of Alkaline Earth Ion Co-Doping on Photoluminescence from Europium Ion in Ca12Al14O32F2

Fig. 1. XRD patterns of Ca12-x-yMxAl14O32F2∶yEu. (a)(b) M=Mg, y=0.10; (c)(d) M=Sr, y=0.10; (e)(f) M=Sr, y=0.48; (g)(h) M=Ba, y=0.10; (i)(j) M=Ba, y=0.48

Download full size

Fig. 2. Excitation and emission spectra of Ca11.90-xMgxAl14O32F2∶0.10Eu (x=1.20)

Download full size

Fig. 3. (a)-(c) Emission spectra of Ca11.90-xMgxAl14O32F2∶0.10Eu and (d) CIE chromaticity diagram

Download full size

Fig. 4. (a)(b) Emission spectra of Ca11.90-xSrxAl14O32F2∶0.10Eu; (c) emission spectra of Ca11.52-xSrxAl14O32F2∶0.48Eu emission spectra; (d) CIE chromaticity diagrams of Ca12-x-ySrxAl14O32F2∶yEu (y=0.10, 0.48)

Download full size

Fig. 5. (a)-(c) Emission spectra of Ca11.90-xBaxAl14O32F2∶0.10Eu; (d) CIE chromaticity diagrams of Ca11.90-xBaxAl14O32F2∶0.10Eu; (e) Emission spectra of Ca11.52-xBaxAl14O32F2∶0.48Eu; (f) CIE chromaticity diagrams of Ca11.52-xBaxAl14O32F2∶0.48Eu

Download full size

Table 1. Radius and relative radius of metal ions when the coordination number of Ca2+ is 7
View table
Table 1. Radius and relative radius of metal ions when the coordination number of Ca2+ is 7
Ion Ca²⁺ Mg²⁺ Sr²⁺ Ba²⁺ Eu²⁺ Eu³⁺
r /nm 0.106 0.081 0.121 0.138 0.120 0.101
$\begin{matrix} {r_{r}}_{} \end{matrix}$ /% -24.1 14.1 30.2 13.2 -4.7

Table 2. Cell parameters of Ca12-x-yMxAl14O32F2∶yEu

View table

Table 2. Cell parameters of Ca12-x-yMxAl14O32F2∶yEu

Parameter	Ca_12-_x-yM_xAl₁₄O₃₂F₂∶yEu	x=0.00	x=0.12	x=0.36	x=0.60	x=0.84	x=1.20
a /nm	M=Mg,y=0.10	1.1967	1.1946	1.1963	1.1954	1.1963	1.1957
	M=Sr,y=0.10	1.1967	1.1971	1.1978	1.1982	1.1989	1.1996
	M=Sr,y=0.48	1.1977	1.1974	1.1986	1.2002	1.2003	1.2016
	M=Ba,y=0.10	1.1967	1.1971	1.1979	1.1987	1.1987	1.1988
	M=Ba,y=0.48	1.1981	1.1983	1.1982	1.1990	1.1997	1.1994
V /nm³	M=Mg,y=0.10	1.7139	1.7049	1.7119	1.7080	1.7122	1.7095
	M=Sr,y=0.10	1.7139	1.7153	1.7183	1.7201	1.7232	1.7262
	M=Sr,y=0.48	1.7180	1.7168	1.7220	1.7287	1.7291	1.7350
	M=Ba,y=0.10	1.7138	1.7154	1.7189	1.7224	1.7222	1.7230
	M=Ba,y=0.48	1.7198	1.7205	1.7201	1.7239	1.7266	1.7254

Tools

Get Citation

Copy Citation Text

Caihua Chen, Guohui Yang, Lili Meng, Lixia Zhang, Lifang Liang. Effect of Alkaline Earth Ion Co-Doping on Photoluminescence from Europium Ion in Ca₁₂Al₁₄O₃₂F₂[J]. Acta Optica Sinica, 2017, 37(10): 1030001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites