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Preparation and properties of a new multifunctional material composed of superparamagnetic core and rhodamine B doped silica shell

机译:由超顺磁性核和若丹明B掺杂硅壳组成的新型多功能材料的制备和性能

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This paper reports on the preparation of a new multifunctional nanocomposite that consists of superparamagnetic core and rhodamine B (Rh B) doped silica shell. The final products were characterized by x-ray powder diffraction (XRD), transmission electron microscopy (TEM), vibration sample magnetometer (VSM), photoluminescence (PL) spectra and Fourier transform infrared spectra (FT-IR). The resultant multifunctional nanoparticles were superparamagnetic with a saturation magnetization of about 10 emu g~(-1), their sizes were smaller than 150 nm and they possessed an emission peak at 568 nm with an excitation wavelength of 520 nm. This new material holds considerable promise in magneto-optical materials and biological applications.
机译:本文报道了由超顺磁性核和若丹明B(Rh B)掺杂的二氧化硅壳组成的新型多功能纳米复合材料的制备。最终产品通过X射线粉末衍射(XRD),透射电子显微镜(TEM),振动样品磁力计(VSM),光致发光(PL)光谱和傅立叶变换红外光谱(FT-IR)进行表征。所得多功能纳米粒子为超顺磁性,饱和磁化强度约为10 emu g〜(-1),尺寸小于150 nm,并在568 nm处具有发射峰,激发波长为520 nm。这种新材料在磁光材料和生物应用中具有广阔的前景。

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