TY - JOUR
T1 - Energy transfer and heat-treatment effect of photoluminescence in Eu3+-doped TbPO4 nanowires
AU - Di, Weihua
AU - Wang, Xiaojun
AU - Zhu, Peifeng
AU - Chen, Baojiu
PY - 2007/2
Y1 - 2007/2
N2 - We have successfully synthesized Eu3+-doped TbPO4 nanowires, which are orderly organized to form bundle-like structure. A thermal treatment up to 600 °C does not modify the size, shape and structure of as-synthesized sample. Due to the energy overlap between Tb3+ and Eu3+, an efficient energy transfer occurs from Tb3+ to Eu3+. The effects of Eu3+ concentration and thermal treatment on the luminescent properties of Eu3+ are investigated. The increase of Eu3+ concentration leads to the increase of the energy transfer efficiency from Tb3+ to Eu3+, but also enhances the probability of the interaction between neighboring Eu3+, which results in the concentration quenching. With the heat-treatment, the luminescence of Eu3+ presents an obvious increase, but almost no change for the luminescence of Tb3+. This difference is explained based on the TGA, DTA, and fluorescent decay dynamics analyses.
AB - We have successfully synthesized Eu3+-doped TbPO4 nanowires, which are orderly organized to form bundle-like structure. A thermal treatment up to 600 °C does not modify the size, shape and structure of as-synthesized sample. Due to the energy overlap between Tb3+ and Eu3+, an efficient energy transfer occurs from Tb3+ to Eu3+. The effects of Eu3+ concentration and thermal treatment on the luminescent properties of Eu3+ are investigated. The increase of Eu3+ concentration leads to the increase of the energy transfer efficiency from Tb3+ to Eu3+, but also enhances the probability of the interaction between neighboring Eu3+, which results in the concentration quenching. With the heat-treatment, the luminescence of Eu3+ presents an obvious increase, but almost no change for the luminescence of Tb3+. This difference is explained based on the TGA, DTA, and fluorescent decay dynamics analyses.
KW - Energy transfer
KW - Hydrothermal synthesis
KW - Luminescence
KW - Rare earth
KW - Thermal effect
UR - http://www.scopus.com/inward/record.url?scp=33846675241&partnerID=8YFLogxK
U2 - 10.1016/j.jssc.2006.11.006
DO - 10.1016/j.jssc.2006.11.006
M3 - Article
AN - SCOPUS:33846675241
SN - 0022-4596
VL - 180
SP - 467
EP - 473
JO - Journal of Solid State Chemistry
JF - Journal of Solid State Chemistry
IS - 2
ER -