Photoluminescence in amorphous TiO2-PbO systems

被引：22

作者：

Leite, ER

Carreño, NLV

Santos, LPS

Rangel, JH

Soledade, LEB

Longo, E

Campos, CEM

Lanciotti, F

Pizani, PS

Varela, JA

机构：

[1] Univ Fed Sao Carlos, Dept Quim, Ctr Multidiciplinar Desenvolvimento Mat Ceram, BR-13560905 Sao Carlos, SP, Brazil

[2] Univ Fed Sao Carlos, Dept Fis, BR-13560905 Sao Carlos, SP, Brazil

[3] UNESP, Inst Quim, Ctr Multidiciplinar Desenvolvimento Mat Ceram, BR-14801970 Araraquara, SP, Brazil

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2001年 / 73卷 / 05期

关键词：

D O I：

10.1007/s003390100865

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Photoluminescence (PL) at room temperature has been achieved in amorphous thin films and powders of the TiO2-PbO system. They were prepared by the polymeric precursor method with [PbO]/[TiO2] molar ratios ranging from 0.0 to 1.0. The energy position of maximum PL emission and the PL intensity showed dependence on Pb concentration. The Pb addition suggests an increase in the number of nonbridging oxygens (NBO) in the amorphous TiO2 network. These results support the relationship between photoluminescence and structure in TiO2-based amorphous materials.

引用

页码：567 / 569

页数：3

共 12 条

[1]

Krishna KM, 1997, APPL SURF SCI, V113, P149, DOI 10.1016/S0169-4332(96)00873-2

[2]

Leite ER, 2000, ADV MATER OPT ELECTR, V10, P235, DOI 10.1002/1099-0712(200011/12)10:6<235::AID-AMO409>3.0.CO

[3]

2-6

[4] PREPARATION AND PROPERTIES OF PBTIO3 FILMS BY SOL-GEL PROCESSING [J].

MAEDA, M ;

ISHIDA, H ;

SOE, KKK ;

SUZUKI, I .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1993, 32 (9B) :4136-4140

[5] Synthesis and sintering of ultra fine NaNbO3 powder by use of polymeric precursors [J].

Nobre, MAL ;

Longo, E ;

Leite, ER ;

Varela, JA .

MATERIALS LETTERS, 1996, 28 (1-3) :215-220

[6]

Pechini M.P, 1967, US Pat. Off., Patent No. [3330697, 3,330,697]

[7] Photoluminescence of disordered ABO3 perovskites [J].

Pizani, PS ;

Leite, ER ;

Pontes, FM ;

Paris, EC ;

Rangel, JH ;

Lee, EJH ;

Longo, E ;

Delega, P ;

Varela, JA .

APPLIED PHYSICS LETTERS, 2000, 77 (06) :824-826

[8] Low temperature synthesis and electrical properties of PbTiO3 thin films prepared by the polymeric precursor method [J].

Pontes, FM ;

Rangel, JHG ;

Leite, ER ;

Longo, E ;

Varela, JA ;

Araújo, EB ;

Eiras, JA .

THIN SOLID FILMS, 2000, 366 (1-2) :232-236

[9]

Pontes FM, 2000, ADV MATER OPT ELECTR, V10, P81, DOI 10.1002/1099-0712(200003/04)10:2<81::AID-AMO407>3.0.CO

[10]

2-F

← 1 2 →