WAN Guojiang, LIU Zongmiao, CHEN Wei. Long Lasting Phosphorescence Properties of Zn4B6O13 and Zn4B6O13 : Mn 2+[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2013,52(4):105-109.
WAN Guojiang, LIU Zongmiao, CHEN Wei. Long Lasting Phosphorescence Properties of Zn4B6O13 and Zn4B6O13 : Mn 2+[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2013,52(4):105-109.DOI:
long lasting persistence materials were synthesized by the solid state method. X-ray diffraction (XRD)
photoluminescence and excitation spectroscopy
persistent luminescence spectroscopy and decay analysis and thermoluminescence were employed to characterize the structure and optical properties of these materials. Zn
4
B
6
O
13
showed two fluorescent emission peaks located at about 350 nm and 430 nm
which were similar to the persistent luminescence. Zn
4
B
6
O
13
samples maintained the persistent luminescence of about 30 min. The fluorescence and persistent emission peak of Zn
4
B
6
O
13
: Mn
2+
located at about 540 nm. Moreover
thermoluminescence measurement revealed that Zn
4
B
6
O
13
host had at least three defect centres
corresponding thermoluminescence peaks at about 345
405 and 530 K
respectively. Two defect centres (at 345 and 405 K) were responsible for producing blueviolet persistent luminescence of Zn
4
B
6
O
13
materials. The thermoluminescence peak of Zn
4
B
6
O
13
: Mn
2+
sample located at 350 K
resulting in yellowgreen persistent luminescence of Zn
4
B
6
O
13
: Mn
2+
materials.
关键词
长余辉硼酸盐缺陷发光荧光光谱热释发光
Keywords
long afterglowboratedefect Luminescencefluorescence spectrumthermoluminescence