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合肥工业大学 化工学院,安徽 合肥,230009
收稿日期:2011-01-23,
修回日期:2011-02-14,
网络出版日期:2011-08-22,
纸质出版日期:2011-08-22
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宋秋生, 徐园好, 朱小飞. 微乳液法SiO<sub>2</sub>/罗丹明B荧光杂化纳米微球的制备与表征[J]. 发光学报, 2011,32(8): 798-802
SONG Qiu-sheng, XU Yuan-hao, ZHU Xiao-fei. Preparation and Characterization of Fluorescent Hybrid Nanospheres of SiO<sub>2</sub>/Rhodamine B via Microemulsion[J]. Chinese Journal of Luminescence, 2011,32(8): 798-802
宋秋生, 徐园好, 朱小飞. 微乳液法SiO<sub>2</sub>/罗丹明B荧光杂化纳米微球的制备与表征[J]. 发光学报, 2011,32(8): 798-802 DOI: 10.3788/fgxb20113208.0798.
SONG Qiu-sheng, XU Yuan-hao, ZHU Xiao-fei. Preparation and Characterization of Fluorescent Hybrid Nanospheres of SiO<sub>2</sub>/Rhodamine B via Microemulsion[J]. Chinese Journal of Luminescence, 2011,32(8): 798-802 DOI: 10.3788/fgxb20113208.0798.
在甲苯存在下的反相微乳液体系中
将-缩水甘油醚氧丙基三甲氧基硅烷(KH560)与罗丹明B进行预反应;再与正硅酸乙酯(TEOS)经原位溶胶-凝胶反应
制备SiO
2
/罗丹明B荧光杂化纳米微球。通过FTIR、UV-Vis、TEM、TG和光致发光谱对杂化纳米微球进行了表征。结果表明:罗丹明B与KH560间通过酯基形成化学键合
杂化纳米微球的直径约为200 nm
其耐热稳定性和耐紫外光稳定性优于罗丹明B
荧光强度约为罗丹明B的4倍。
Fluorescent hybrid nanospheres of SiO
2
/Rhodamine B were prepared. Firstly
3-glycidyloxypropyl trimethoxysilane (KH560) reacted with Rhodamine B in water-in-oil microemulsion
and then they reacted with TEOS in the microemulsion by sol-gel in-situ. The hybrid nanospheres were characterized by FTIR
UV-Vis
TG
PL and TEM. The results showed that Rhodamine B was linked to SiO
2
via chemical bond
the diameter of hybrid nanospheres was about 200 nm. The nanospheres showed better heat resistance and UV light resistance than Rhodamine B. The PL intensity of the hybrid nanospheres was about 4 times of Rhodamine B.
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