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1. 吉林大学 材料科学与工程学院, 吉林 长春 130012
2. 吉林大学 超硬材料国家重点实验室,吉林 长春,130012
纸质出版日期:2012-7-10,
网络出版日期:2012-7-10,
收稿日期:2012-3-14,
修回日期:2012-5-11,
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曾毅, 邴一飞, 刘畅, 郑伟涛, 邹广田. Zn<sub>2</sub> SnO<sub>4</sub> 立方体的水热合成及其荧光性质[J]. 发光学报, 2012,33(7): 716-719
ZENG Yi, BING Yi-fei, LIU Chang, ZHENG Wei-tao, ZOU Guang-tian. Hydrothermal Synthesis and PL Properties of Zn<sub>2</sub>SnO<sub>4</sub> Nanocubes[J]. Chinese Journal of Luminescence, 2012,33(7): 716-719
曾毅, 邴一飞, 刘畅, 郑伟涛, 邹广田. Zn<sub>2</sub> SnO<sub>4</sub> 立方体的水热合成及其荧光性质[J]. 发光学报, 2012,33(7): 716-719 DOI: 10.3788/fgxb20123307.0716.
ZENG Yi, BING Yi-fei, LIU Chang, ZHENG Wei-tao, ZOU Guang-tian. Hydrothermal Synthesis and PL Properties of Zn<sub>2</sub>SnO<sub>4</sub> Nanocubes[J]. Chinese Journal of Luminescence, 2012,33(7): 716-719 DOI: 10.3788/fgxb20123307.0716.
利用水合肼作缓释型碱源和络合剂
采用水热法合成了Zn
2
SnO
4
立方多面体。XRD物相分析表明
产物为结晶良好的立方反尖晶石结构Zn
2
SnO
4
。FESEM和TEM形貌分析表明
该Zn
2
SnO
4
微晶为边长100~400 nm左右的立方体
其光致发光光谱是蓝-绿光发射带(中心590 nm处)
在400 ℃空气气氛下退火1 h后
蓝-绿光发射带的强度显著降低。这主要是因为退火处理提高了晶体质量
降低了氧空位浓度
从而降低了可见光发射带的强度。
Zn
2
SnO
4
nanocubes have been synthesized via a simple and facile one-pot hydrothermal process. The X-ray diffraction (XRD) pattern demonstrates that the products are fine single crystals Zn
2
SnO
4
with the inverse spinel crystal structure. The FESEM and TEM images confirm that Zn
2
SnO
4
microcrystallines are cube-like structure with the side length of 100~400 nm. In addition
the photoluminescence (PL) spectra of Zn
2
SnO
4
nanocubes at room temperature show a broad blue-green emission around the 380~820 nm wavelengths with a maximum center at 590 nm. The PL property of the Zn
2
SnO
4
nanocubes can be obviously reduced by annealing at 400 ℃ for 1 h due to the improvement of the crystal quality and the reduced concentration of oxygen vacancy.
Zn2SnO4水热合成多面体荧光光谱
Zn2SnO4hydrothermal synthesispolyhedronPL spectrum
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