Sol-gel synthesis of monolithic tin-doped silica glass

被引:38
作者
Chiodini, N [1 ]
Morazzoni, F [1 ]
Paleari, A [1 ]
Scotti, R [1 ]
Spinolo, G [1 ]
机构
[1] Univ Milan, Dipartimento Sci Mat, INFM, I-20125 Milan, Italy
关键词
D O I
10.1039/a904415i
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 ; 081704 ;
摘要
The preparation of Sn-doped SiO2 glasses with different Sn contents (Sn/(SiO2 + SnO2) ratio 0.01 to 10.0% w/w) was performed by two sol-gel routes. The first route (method A) used tin(IV) tert-butoxide as the tin precursor and in the presence of acetylacetone it resulted in transparent glasses with a maximum tin content of 0.1%. The precursor in the second route (method B) was dibutyltin diacetate; this was more efficient and transparent glasses of up to 1% tin content were obtained. As electron paramagnetic resonance can identify paramagnetic E' Sn centres, defects that form when silica glass is subjected to X-ray irradiation, we assessed the tin centres that substituted silicon in the silica network. At higher tin contents (Sn greater than or equal to 3%), method B gave crystalline nanosized particles of SnO2 (6-10 nm) dispersed throughout the silica matrix.
引用
收藏
页码:2653 / 2658
页数:6
相关论文
共 40 条
  • [31] CORRELATION OF DEFECT CENTERS WITH A WAVELENGTH-DEPENDENT PHOTOSENSITIVE RESPONSE IN GERMANIA-DOPED SILICA OPTICAL FIBERS
    SIMMONS, KD
    LAROCHELLE, S
    MIZRAHI, V
    STEGEMAN, GI
    GRISCOM, DL
    [J]. OPTICS LETTERS, 1991, 16 (03) : 141 - 143
  • [32] PHOTOSENSITIVITY IN GERMANE-SILICATE SOL-GEL THIN-FILMS
    SIMMONS, KD
    STEGEMAN, GI
    POTTER, BG
    SIMMONS, JH
    [J]. JOURNAL OF NON-CRYSTALLINE SOLIDS, 1994, 179 : 254 - 259
  • [34] OXYGEN-ASSOCIATED TRAPPED-HOLE CENTERS IN HIGH-PURITY FUSED SILICAS
    STAPELBROEK, M
    GRISCOM, DL
    FRIEBELE, EJ
    SIGEL, GH
    [J]. JOURNAL OF NON-CRYSTALLINE SOLIDS, 1979, 32 (1-3) : 313 - 326
  • [35] PHOTOINDUCED GRATING AND INTENSITY DEPENDENCE OF DEFECT GENERATION IN GE-DOPED SILICA OPTICAL FIBER
    TSAI, TE
    ASKINS, CG
    FRIEBELE, EJ
    [J]. APPLIED PHYSICS LETTERS, 1992, 61 (04) : 390 - 392
  • [36] WARK TA, 1990, MATER RES SOC SYMP P, V180, P61, DOI 10.1557/PROC-180-61
  • [37] CHARACTERIZATION OF RAMAN-SPECTRA IN NANO-SNO2 SOLIDS
    XIE, CY
    ZHANG, LD
    MO, CM
    [J]. PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1994, 141 (01): : K59 - K61
  • [38] MONOLITHIC GLASS-FORMATION BY CHEMICAL POLYMERIZATION
    YOLDAS, BE
    [J]. JOURNAL OF MATERIALS SCIENCE, 1979, 14 (08) : 1843 - 1849
  • [39] Microstructural change of nano-SnO2 grain assemblages with the annealing, temperature
    Yu, KN
    Xiong, YH
    Liu, YL
    Xiong, CS
    [J]. PHYSICAL REVIEW B, 1997, 55 (04): : 2666 - 2671
  • [40] STUDY OF THE RAMAN-SPECTRUM OF NANOMETER SNO2
    ZUO, J
    XU, CY
    LIU, XM
    WANG, CS
    WANG, CY
    HU, Y
    QIAN, YT
    [J]. JOURNAL OF APPLIED PHYSICS, 1994, 75 (03) : 1835 - 1836