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首页> 外文期刊>Nanotechnology >Shaping surface of palladium nanospheres through the control of reaction parameters
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Shaping surface of palladium nanospheres through the control of reaction parameters

机译：通过控制反应参数使钯纳米球表面成形

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Solid, cracked, and flower-shaped surfaces of palladium nanospheres with high yields and good uniformity were successfully prepared by a wet chemical method. On the basis of the experimental data, the same size of palladium nanosphere with different surface morphologies can be regulated only by changing the amount of ammonium hydroxide and reductant in one experimental system. The as-prepared products were studied by transmission electron microscopy (TEM), scanning electron microscopy (SEM) and x-ray diffraction (XRD). In addition, surface-enhanced Raman scattering (SERS) spectra on the as-prepared different surface of palladium nanospheres exhibit high activity towards p-aminothiophenol (PATP) detection, and the result further reveals that the predominance of the a1 vibration mode in the SERS spectra via an electromagnetic (EM) mechanism is significant
机译：通过湿化学方法成功地制备了高产率，均匀性好的钯纳米球的固体，破裂和花形表面。根据实验数据，只有在一个实验系统中改变氢氧化铵和还原剂的量，才能调节具有不同表面形态的相同尺寸的钯纳米球。通过透射电子显微镜（TEM），扫描电子显微镜（SEM）和X射线衍射（XRD）研究所制备的产物。此外，在制备好的钯纳米球不同表面上的表面增强拉曼散射（SERS）光谱显示出对对氨基苯硫酚（PATP）检测的高活性，结果进一步揭示了在SERS中a1振动模式占优势。通过电磁（EM）机理的光谱很重要

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