The magnesium borate (MgB4O7 and Mg2B2O5) nanorods were fabricated with magnesium nitrate, boric acid and citric acid as the starting reagents by the sol-gel method. The structures and morphologies of the nanorods were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM). The results show that the products synthesized by calcining were MgB4O7 at 750 ℃ and Mg2B2O5 at 950℃. The ratios of diameter and length of the nanorods can be controlled by adjusting the proportion of Mg(NO3)2 and H3BO3. The self-catalytic mechanism was used to explain the growth of the magnesium borate nanorods.
JIANG Ji-Wei
,
WANG Lei
,
YANG Qing
,
YANG De-Ren
. Synthesis of Magnesium Borate Nanorods by Sol-Gel Process[J]. Journal of Inorganic Materials, 2006
, 21(4)
: 833
-837
.
DOI: 10.3724/SP.J.1077.2006.00833
1 Gudiksen M S, Lauhon L J, Wang J, et al. Nature, 2002, 415: 617-620.
2 Calvert P. Nature, 1999, 399: 210-211.
3 Sha J, Niu J, Ma X, et al. Adv. Mater., 2002, 14: 1219-1221.
4 Yang Q, Sha J, Xu J, et al. Chem. Phys. Lett., 2003, 379: 87-90.
5 Yang Q, Sha J, Ma X, et al. Supercond Sci. Technol., 2004, 17: 31-33.
6 Yang Q, Sha J, Wang L, et al. Physica E, 2005, 27: 319-324.
7 Peng L M, Zhu S J, Ma Z Y. Mater. Sci. Eng. A, 1999, 265: 63-70.
8 Furetta C, Prokic M, Salamon R, et al. Appl. Radiation and Isotopes, 2000, 52: 243-250.
9 LIU Y, LI Q, FAN S. Chem. Phys. Lett., 2003, 375: 632-635.
10 Cheng C, Tang C, Ding X X, et al. Chem. Phys. Lett., 2003, 373: 626-629.
11 Ma R, Bando Y, Sato T. App. Phys. Lett., 2002, 81(18): 3467-3469.
12 Ma R, Bando Y, Sato T, et al. J. Am. Chem. Soc., 2002, 124: 10668-10669.
13 Ma R, Bando Y, Golberg D, et al. Angew. Chem. Int. Ed, 2003, 42: 1836-1838.
14 Qasrawi A F , Kayed T S, Mergen A, et al. Mater. Res. Bull., 2005, 40: 583-589.
15 Yang Q, Sha J, Ma X, et al. Materials Letters, 2005, 59: 1967-1970.
16 李昱, 张孝彬, 徐军明, 等(LI Yu, et al). 无机材料学报(Journal of Inorganic
Materials), 2005, 20(1): 71-76.
17 张巍巍, 谢平波, 张慰萍, 等(ZHANG Wei-Wei, et al). 无机材料学报(Journal of Inorganic
Materials), 2001, 16(1): 10-15.
18 Wanger R S, Ellis W C. Appl. Phys. Lett., 1964, 4(5): 89-90.
19 Duan X F, Wang J F, Lieber C M. Appl. Phys. Lett., 2000, 76(9): 1116-1118.
