BaZr1-xAlxO3(x=0～0.08)中空微球的制备与发光性能

引用本文: 孙振, 郭佳, 余建国, 黄华, 陈娟, 李国栋, 赵永男. BaZr_1-xAl_xO₃(x=0～0.08)中空微球的制备与发光性能[J]. 无机化学学报, 2013, 29(5): 936-940. doi: 10.3969/j.issn.1001-4861.2013.00.131 shu

Citation: SUN Zhen, GUO Jia, YU Jian-Guo, HUANG Hua, CHEN Juan, LI Guo-Dong, ZHAO Yong-Nan. Preparation and Photoluminescence Properties of Perovskite BaZr_1-xAl_xO₃ (x=0～0.08) Hollow Microspheres[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(5): 936-940. doi: 10.3969/j.issn.1001-4861.2013.00.131 shu

BaZr_1-xAl_xO₃(x=0～0.08)中空微球的制备与发光性能

孙振 ^1, ,
郭佳 ^1, ,
余建国 ^1, ,
黄华 ^1, ,
陈娟 ^1, ,
李国栋 ^2, ,
赵永男 ^{1,
,}

通讯作者: 赵永男通讯联系人,E-mail:zhaoyn@263.net,Tel:022-83955831

基金项目:
国家自然科学基金(No.21271138) (No.21271138)

天津市自然科学基金(No.10JCZDJC21500) (No.10JCZDJC21500)

吉林大学无机合成与制备国家重点实验室开放课题 (No.2012-20)资助项目。 (No.2012-20)

摘要: 采用水热法合成了BaZr_1-xAl_xO₃(x=0～0.08)中空微球,通过XRD,SEM,TEM,PL,FTIR等测试手段对样品进行了表征。XRD结果表明,铝成功地掺杂进入了BaZrO₃晶格中,占据了B位ZrO₆八面体中Zr⁴⁺的位置,铝的掺入导致晶胞参数的减小。TEM结果证实了微球的空心结构,产物的平均粒径为150 nm。中空微球在355 nm激光的激发下,均发出波长为423 nm的紫光。与未掺杂的BaZrO₃相比,铝掺杂引起的晶格收缩使发光强度呈整体下降趋势,而不等价掺杂引起的氧空位变化导致发光强度随着铝掺杂量的增加出现先增强后减弱的现象。

关键词:

中空微球;钙钛矿;掺杂;发光

English

Preparation and Photoluminescence Properties of Perovskite BaZr_1-xAl_xO₃ (x=0～0.08) Hollow Microspheres

1.
1. Tianjin Key Laboratory of Fiber Modification and Functional Fiber, School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China;

Corresponding author: 赵永男通讯联系人,E-mail:zhaoyn@263.net,Tel:022-83955831

Received Date: 07 October 2012
Fund Project:
国家自然科学基金(No.21271138)

天津市自然科学基金(No.10JCZDJC21500)

吉林大学无机合成与制备国家重点实验室开放课题 (No.2012-20)资助项目。

Abstract: BaZr_1-xAl_xO₃ (x=0～0.08) hollow microspheres with different Al contents were synthesized by hydrothermal method. The samples were characterized by XRD, SEM, TEM, PL, FTIR. XRD data indicated that Al³⁺ was successfully introduced into the lattice and replaced the Zr⁴⁺ cation at B position. Replacing Zr⁴⁺ by Al³⁺ aroused the decrease of cell parameters. TEM observations confirmed the hollow feature and gave a mean particle size of 150 nm. When excited by 355 nm laser, all of the hollow microspheres emitted 423 nm violet light at room temperature. Compared with that of pure BaZrO₃, the cell shrinkage that stemmed from Al³⁺ doping directed to weakened photoluminescence. The non-equivalent doping also led to the variation of oxygen vacancies, which directed to a slightly enhanced photoluminescence with Al³⁺ doping contents in the range of 1% to 2%.

Key words:

hollow microsphere;perovskite;doping;photoluminescence

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

BaZr_1-xAl_xO₃(x=0～0.08)中空微球的制备与发光性能

通讯作者: 赵永男通讯联系人,E-mail:zhaoyn@263.net,Tel:022-83955831

English

Preparation and Photoluminescence Properties of Perovskite BaZr_1-xAl_xO₃ (x=0～0.08) Hollow Microspheres

Corresponding author: 赵永男通讯联系人,E-mail:zhaoyn@263.net,Tel:022-83955831

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