Luminescence properties of LB films based on heteropolytungstate of rare earth

被引：9

作者：

Wang, J ^{[1
]}

Wang, HS ^{[1
]}

Fu, LS ^{[1
]}

Liu, FY ^{[1
]}

Zhang, HJ ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2003年 / 97卷 / 01期

基金：

中国国家自然科学基金;

关键词：

luminescence; LB film; heteropolytungstate; rare earth;

D O I：

10.1016/S0921-5107(02)00408-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, the LB films based on heteropolytungstate of Dy and Sm have been prepared. The X-ray diffraction shows the LB films have a highly ordered lamella structure. The luminescence characteristics of the LB films were studied. The charge transfer bands of LB films are in higher energies than those of the corresponding solids. It is noticed that the yellow to blue intensity ratio (Y:B) of Dy3+ in the LB films is different from that of the solid. The differences in the spectra show that the Dy3+ site symmetry in LB film was changed due to the interaction between the surfactant and the polyanions. The differences could also be found in the luminescence spectra of the LB films of Sm complex. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：83 / 86

页数：4

共 22 条

[1]

Bekiari V, 1998, ADV MATER, V10, P1455, DOI 10.1002/(SICI)1521-4095(199812)10:17<1455::AID-ADMA1455>3.0.CO

[2]

2-D

[3] THE LUMINESCENCE OF SOME LANTHANIDE DECATUNGSTATES [J].

BLASSE, G ;

DIRKSEN, GJ ;

ZONNEVIJLLE, F .

CHEMICAL PHYSICS LETTERS, 1981, 83 (03) :449-451

[4] ON EU3+ FLUORESCENCE IN MIXED METAL OXIDES .3. ENERGY TRANSFER IN EU3+-ACTIVATED TUNGSTATES AND MOLYBDATES OF TYPE LN2WO6 AND LN2MO06 [J].

BLASSE, G ;

BRIL, A .

JOURNAL OF CHEMICAL PHYSICS, 1966, 45 (07) :2350-&

[5] QUENCHING OF EXCITED-STATES BY LANTHANIDE IONS AND CHELATES IN SOLUTION [J].

BUONOCORE, GE ;

LI, H ;

MARCINIAK, B .

COORDINATION CHEMISTRY REVIEWS, 1990, 99 :55-87

[6] Toward new organic/inorganic superlattices: Keggin polyoxometalates in Langmuir and Langmuir-Blodgett films [J].

ClementeLeon, M ;

Agricole, B ;

Mingotaud, C ;

GomezGarcia, CJ ;

Coronado, E ;

Delhaes, P .

LANGMUIR, 1997, 13 (08) :2340-2347

[7]

Huang YY, 1999, ADV MATER, V11, P627, DOI 10.1002/(SICI)1521-4095(199906)11:8<627::AID-ADMA627>3.0.CO

[8]

2-A

[9] BRIGHT RED LIGHT-EMITTING ORGANIC ELECTROLUMINESCENT DEVICES HAVING A EUROPIUM COMPLEX AS AN EMITTER [J].

KIDO, J ;

HAYASE, H ;

HONGAWA, K ;

NAGAI, K ;

OKUYAMA, K .

APPLIED PHYSICS LETTERS, 1994, 65 (17) :2124-2126

[10] LUMINESCENCE AND ENERGY MIGRATION IN THE OXYAPATITE CA2GD8(SIO4)6O2 DOPED WITH SEVERAL RARE-EARTH AND MERCURY-LIKE IONS [J].

LIN, J ;

SU, Q .

JOURNAL OF ALLOYS AND COMPOUNDS, 1994, 210 (1-2) :159-163

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