Luminescent properties of Eu3+ and Tb3+ activated Zn3Ta2O8

doi:10.1149/1.1601231

CORC > 北京大学 > 化学与分子工程学院

	Luminescent properties of Eu3+ and Tb3+ activated Zn3Ta2O8
	Jiao, H ; Liao, FH ; Tian, SJ ; Jing, XP
刊名	journal of the electrochemical society
	2003
关键词	RARE-EARTH IONS ENERGY-TRANSFER PHOTOLUMINESCENCE FLUORESCENCE ENHANCEMENT EFFICIENCY EXCITATION GLASSES FILMS EU2+
DOI	10.1149/1.1601231
英文摘要	This paper reports a systematic investigation on photoluminescent (PL) properties of Eu3+ and Tb3+-activated Zn3Ta2O8. The excitation spectrum of Zn3Ta2O8:Eu3+ consists of the strong CTS absorption and week f-f transitions of Eu3+, while the excitation spectrum of Zn3Ta2O8:Tb3+ is composed of the strong d-f transition and weak f-f transitions of Tb3+. The charge transfer state (CTS) band of Eu3+ and the d-f peak of Tb3+ slightly shift to lower energy with increase of dopant contents. Zn3Ta2O8:Eu3+ exhibits red emission peaks around 610-620 nm, which is related to the transitions of D-5(0)-->F-7(2). The luminescence of Zn3Ta2O8:Tb3+ is dominated by green emission peaks at 546 nm, which can be attributed to the transition of (D4-->F5)-D-5-F-7. For Eu3+-Tb3+ codoped Zn3Ta2O8, energy transfer process takes place and the resonant mechanism is proposed as the transfer mechanism which can be described as: D-5(4)(Tb3+)+F-7(0)(Eu3+)-->F-7(5)(Tb3+)+D-5(1)(Eu3+). PL spectra and lifetime measurements support this mechanism. Due to the energy transfer, PL intensity of Eu3+ emission increased about 40%. (C) 2003 The Electrochemical Society.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000184673100072&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Electrochemistry; Materials Science, Coatings & Films; SCI(E); EI; 86; ARTICLE; 9; H220-H224; 150
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/313342]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Jiao, H,Liao, FH,Tian, SJ,et al. Luminescent properties of Eu3+ and Tb3+ activated Zn3Ta2O8[J]. journal of the electrochemical society,2003.
APA	Jiao, H,Liao, FH,Tian, SJ,&Jing, XP.(2003).Luminescent properties of Eu3+ and Tb3+ activated Zn3Ta2O8.journal of the electrochemical society.
MLA	Jiao, H,et al."Luminescent properties of Eu3+ and Tb3+ activated Zn3Ta2O8".journal of the electrochemical society (2003).