Antimony(III)-doped PbWO4 crystals with enhanced photoluminescence via a shape-controlled sonochemical route

被引：70

作者：

Geng, Jun

Lu, Dujuan

Zhu, Jun-Jie ^{[1
]}

Chen, Hong-Yuan

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, Key Lab Analyt Chem Life Sci, Nanjing 210093, Peoples R China

[2] Jiangsu Inst Educ, Dept Chem, Nanjing 210013, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 28期

关键词：

D O I：

10.1021/jp057562v

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 [物理化学]; 081704 [应用化学];

摘要：

Sb(III)-doped lead tungstate single crystals with controlled shapes and enhanced green emission have been synthesized via a facile, Pluronic P123 (EO20PO70EO20)-assisted, sonochemical method. The surfactant Pluronic P123 was found to play a crucial role in the morphology control of the final products. The growth process was investigated by carefully following time-dependent experiments, and the oriented attachment process accompanying Ostwald ripening was proposed for the possible formation mechanism. The optical properties, such as the Raman spectra and PL spectra, of doped PbWO4 were studied. Room-temperature photoluminescence of doped PbWO4 samples with different morphologies at desired Sb doping concentrations showed greatly enhanced luminescence intensity compared to the undoped PbWO4.

引用

收藏

页码：13777 / 13785

页数：9

相关论文

共 58 条

[1]

The ability of poloxamers to inhibit platelet aggregation depends on their physicochemical properties [J].

Ahmed, F ;

Alexandridis, P ;

Shankaran, H ;

Neelamegham, S .

THROMBOSIS AND HAEMOSTASIS, 2001, 86 (06) :1532-1539

[2]

A record nine different phases (four cubic, two hexagonal, and one lamellar lyotropic liquid crystalline and two micellar solutions) in a ternary isothermal system of an amphiphilic block copolymer and selective solvents (water and oil) [J].

Alexandridis, P ;

Olsson, U ;

Lindman, B .

LANGMUIR, 1998, 14 (10) :2627-2638

[3]

POLY(ETHYLENE OXIDE)-POLY(PROPYLENE OXIDE)-POLY(ETHYLENE OXIDE) BLOCK-COPOLYMER SURFACTANTS IN AQUEOUS-SOLUTIONS AND AT INTERFACES - THERMODYNAMICS, STRUCTURE, DYNAMICS, AND MODELING [J].

ALEXANDRIDIS, P ;

HATTON, TA .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 1995, 96 (1-2) :1-46

[4]

Photoluminescence characteristics of Li-doped Y2O3:Eu3+ thin film phosphors [J].

Bae, JS ;

Kim, SB ;

Jeong, JH ;

Park, JC ;

Kim, DK ;

Byeon, SH ;

Yi, SS .

THIN SOLID FILMS, 2005, 471 (1-2) :224-229

[5]

Aggregation-based crystal growth and microstructure development in natural iron oxyhydroxide biomineralization products [J].

Banfield, JF ;

Welch, SA ;

Zhang, HZ ;

Ebert, TT ;

Penn, RL .

SCIENCE, 2000, 289 (5480) :751-754

[6]

Raspite and studtite: Raman spectra of two unique minerals [J].

Bastians, S ;

Crump, G ;

Griffith, WP ;

Withnall, R .

JOURNAL OF RAMAN SPECTROSCOPY, 2004, 35 (8-9) :726-731

[7]

FAST LUMINESCENCE OF UNDOPED PBWO4 CRYSTAL [J].

BELSKY, AN ;

MIKHAILIN, VV ;

VASILEV, AN ;

DAFINEI, I ;

LECOQ, P ;

PEDRINI, C ;

CHEVALLIER, P ;

DHEZ, P ;

MARTIN, P .

CHEMICAL PHYSICS LETTERS, 1995, 243 (5-6) :552-558

[8]

Improvement of optical and luminescent characteristics and radiation hardness of PbWO4 crystals by doping with Y, Sb, and Mo impurities [J].

Burachas, S ;

Apanasenko, A ;

Grinyov, B ;

Ryzhikov, V ;

Katrunov, K ;

Starzhinskiy, M ;

Ippolitov, M ;

Manko, V ;

Tamulaitis, G .

INTERNATIONAL JOURNAL OF INORGANIC MATERIALS, 2001, 3 (08) :1101-1103

[9]

Influence of Sb doping on the luminescent properties of PbWO4 single crystals [J].

Chen, YH ;

Shi, CS ;

Hu, GQ .

JOURNAL OF APPLIED PHYSICS, 2000, 87 (03) :1503-1506

[10]

Improved reverse thermo-responsive polymeric systems [J].

Cohn, D ;

Sosnik, A ;

Levy, A .

BIOMATERIALS, 2003, 24 (21) :3707-3714

← 1 2 3 4 5 6 →